Color profile

#E72135 — Color

RGB

231 · 33 · 53

HSL

353° · 80% · 51%

CMYK

0 · 85 · 77 · 9
#E72135

On light

WCAG AA

On dark

AAA headlines

Web safe variant

#FF3333

Color spaces

RGB
R 231 G 33 B 53
HSL
353° 80% 51%
HSV
353° 85% 90%
CMYK
0 85 77 9
XYZ
34.15 18.34 5.11
CIE Lab
L 49.91 a 71.37 b 41.49

Base numbers

Base-2

Binary

Base-8

Octal

Base-10

Decimal

Base-16

Hex

RGB distribution

Red 72.87%
Green 10.41%
Blue 16.72%

Usage highlights

  • Versatile applications: perfect for dashboards, UI components and branding.
  • Color partnerships: pairs with #22c55e / #f97316 for modern contrast.
  • Display optimization: works well on both light and dark backgrounds.
  • Design confidence: signals trust, professionalism, and technical expertise.

Interactive tools

Build palettes and validate contrast on the fly

Drop favorite swatches into a custom stack, then test new text/background combos without leaving the page.

Contrast playground

Test two colors and instantly see ratio + WCAG level.

6.2:1 AA

Mission control confirms calm seas.

Body text ready (AA).

Derived palettes

Shades, tints and harmonies

Generate system-ready palettes directly from the source swatch. Each tone carries HEX and contextual tags.

Code snippets

Drop into CSS, Tailwind or design tokens

CSS utility

Component tokens

:root {
  --color-hex-e72135: #E72135;
}
.btn-color {
  background: var(--color-hex-e72135);
  color: #f8fafc;
  box-shadow: 0 10px 25px rgba(231, 33, 53, 0.25);
}
  • Sets CSS variable for reuse
  • Great for buttons + badges
Tailwind config

Design token extend

module.exports = {
  theme: {
    extend: {
      colors: {
        hexe72135: '#E72135',
        hexe72135Tint: '#EB4656',
      },
    },
  },
};
  • Adds custom palette entries
  • Works with Tailwind 3+
CSS effects

Shadow presets

.text-color-e72135 {
  color: #E72135;
  text-shadow: 4px 4px 2px rgba(231, 33, 53, 0.8);
}
.panel-color-e72135 {
  border: 3px solid #E72135;
  box-shadow: 1px 1px 3px 2px #E72135;
}
  • Typography + panel styling
  • Ideal for hero headlines

Accessibility lab

See the swatch on contrasting surfaces

Compare how #E72135 behaves in light dashboards, dark terminals and mixed layouts. Ratios are based on WCAG 2.1 calculations at 100% opacity.

Light UI 6.2:1 · AA

Mission control confirms calm seas.

  • Usage: body copy, data labels.
  • Background: #e6eaeb shell.
  • Min size: 16px regular, 14px bold.
Dark UI 12.8:1 · AAA

Vector shields aligned. Engage warp.

  • Usage: hero headings, CTA outlines.
  • Background: #0f172a cockpit.
  • Min size: 12px icons, 18px type.

Pairing matrix

Background #E72135 text #f8fafc text
#e6eaeb AA N/A
#0f172a AAA AA
#050505 AAA AA

Swap to #f97316 text on dark shells to push CTA contrast to 9.4:1.

Recommended supporting neutrals:

#e6eaeb · Shell #9bacb1 · Divider #0f172a · Cockpit #f97316 · Alert