#E23B37#E23B37

#E23B37 is a mid, highly saturated red. Relative luminance 0.196; OKLCH L 60.5% C 0.204 H 26.8°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#E23B37
RGB	rgb(226, 59, 55)
HSL	hsl(1, 75%, 55%)
HSV	hsv(1, 76%, 89%)
CMYK	cmyk(0%, 73.9%, 75.7%, 11.4%)
CIE-LAB	lab(51.36, 63.28, 41.66)
CIE-LCH	lch(51.36, 75.76, 33.35°)
OKLab	oklab(60.51% 0.1823 0.0923)
OKLCH	oklch(60.51% 0.204 26.8)
XYZ	xyz(33.6215, 19.5778, 5.6223)
Luminance	0.1957 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E23B37 #37DEE2

analogous

#E23788 #E23B37 #E29137

triadic

#E23B37 #37E23B #3B37E2

tetradic

#E23B37 #88E237 #37DEE2 #9137E2

square

#E23B37 #88E237 #37DEE2 #9137E2

split-complementary

#E23B37 #37E291 #3788E2

monochromatic

#8B1714 #C0201C #E23B37 #EA6F6C #F2A4A2

Accessibility & contrast

On white

4.27

#E23B37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#E23B37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E23B37

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E23B37	#FFFFFF	#000000	##000000
##E23B37	1.00	4.27	4.91	4.91
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6335

Deuteranopia (green-blind)

#978730

Tritanopia (blue-blind)

#F9003C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #e23b37;
/* rgb */ color: rgb(226, 59, 55);
/* oklch */ color: oklch(60.5% 0.204 26.8);

Tailwind

colors: {
  custom: {
    50: '#f57d6f',
    500: '#e23b37',
    950: '#000000',
  },
}

SCSS

$custom: #e23b37;
$custom-light: #f57d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#e23b37",
  "rgb": {
    "r": 226,
    "g": 59,
    "b": 55
  },
  "hsl": {
    "h": 1.404,
    "s": 74.672,
    "l": 55.098
  },
  "oklch": {
    "l": 0.60506,
    "c": 0.20432,
    "h": 26.8
  },
  "luminance": 0.19573
}

Semantic roles & 50–950 ramp

primary

#E23B37

secondary

#97DDDE

accent

#EDF137

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#190B07

muted

#867C7A

Preview Lab

Preview with #E23B37

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →