#E23431#E23431

#E23431 is a mid, highly saturated red. Relative luminance 0.188; OKLCH L 59.9% C 0.210 H 27.1°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#E23431
RGB	rgb(226, 52, 49)
HSL	hsl(1, 75%, 54%)
HSV	hsv(1, 78%, 89%)
CMYK	cmyk(0%, 77%, 78.3%, 11.4%)
CIE-LAB	lab(50.51, 65.26, 44.03)
CIE-LCH	lch(50.51, 78.73, 34.01°)
OKLab	oklab(59.86% 0.1873 0.0957)
OKLCH	oklch(59.86% 0.21 27.1)
XYZ	xyz(33.1504, 18.8518, 4.7984)
Luminance	0.1885 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E23431 #31DFE2

analogous

#E23187 #E23431 #E28D31

triadic

#E23431 #31E234 #3431E2

tetradic

#E23431 #87E231 #31DFE2 #8D31E2

square

#E23431 #87E231 #31DFE2 #8D31E2

split-complementary

#E23431 #31E28D #3187E2

monochromatic

#861513 #BB1D1A #E23431 #EA6967 #F19E9C

Accessibility & contrast

On white

4.40

#E23431 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#E23431 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E23431

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E23431	#FFFFFF	#000000	##000000
##E23431	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B602E

Deuteranopia (green-blind)

#958629

Tritanopia (blue-blind)

#F90036

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #e23431;
/* rgb */ color: rgb(226, 52, 49);
/* oklch */ color: oklch(59.9% 0.210 27.1);

Tailwind

colors: {
  custom: {
    50: '#f57a6a',
    500: '#e23431',
    950: '#000000',
  },
}

SCSS

$custom: #e23431;
$custom-light: #f57a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#e23431",
  "rgb": {
    "r": 226,
    "g": 52,
    "b": 49
  },
  "hsl": {
    "h": 1.017,
    "s": 75.319,
    "l": 53.922
  },
  "oklch": {
    "l": 0.59858,
    "c": 0.21036,
    "h": 27.1
  },
  "luminance": 0.18846
}

Semantic roles & 50–950 ramp

primary

#E23431

secondary

#92DCDD

accent

#EFF236

background

#FFF8F6

surface

#FFEFEB

border

#D7CAC6

text

#190A06

muted

#867C7A

Preview Lab

Preview with #E23431

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

Preview Lab → · Contrast checker → · Palette generator →