#E23331#E23331

#E23331 is a mid, highly saturated red. Relative luminance 0.188; OKLCH L 59.8% C 0.211 H 26.9°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#E23331
RGB	rgb(226, 51, 49)
HSL	hsl(1, 75%, 54%)
HSV	hsv(1, 78%, 89%)
CMYK	cmyk(0%, 77.4%, 78.3%, 11.4%)
CIE-LAB	lab(50.41, 65.55, 43.93)
CIE-LCH	lch(50.41, 78.91, 33.83°)
OKLab	oklab(59.78% 0.1882 0.0955)
OKLCH	oklch(59.78% 0.211 26.9)
XYZ	xyz(33.1063, 18.7635, 4.7837)
Luminance	0.1876 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E23331 #31E0E2

analogous

#E23188 #E23331 #E28C31

triadic

#E23331 #31E233 #3331E2

tetradic

#E23331 #88E231 #31E0E2 #8C31E2

square

#E23331 #88E231 #31E0E2 #8C31E2

split-complementary

#E23331 #31E28C #3188E2

monochromatic

#861413 #BB1C1A #E23331 #EA6867 #F19D9C

Accessibility & contrast

On white

4.42

#E23331 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#E23331 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E23331

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E23331	#FFFFFF	#000000	##000000
##E23331	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A602E

Deuteranopia (green-blind)

#958629

Tritanopia (blue-blind)

#F90035

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #e23331;
/* rgb */ color: rgb(226, 51, 49);
/* oklch */ color: oklch(59.8% 0.211 26.9);

Tailwind

colors: {
  custom: {
    50: '#f57a6a',
    500: '#e23331',
    950: '#000000',
  },
}

SCSS

$custom: #e23331;
$custom-light: #f57a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#e23331",
  "rgb": {
    "r": 226,
    "g": 51,
    "b": 49
  },
  "hsl": {
    "h": 0.678,
    "s": 75.319,
    "l": 53.922
  },
  "oklch": {
    "l": 0.59781,
    "c": 0.21108,
    "h": 26.9
  },
  "luminance": 0.18758
}

Semantic roles & 50–950 ramp

primary

#E23331

secondary

#92DCDD

accent

#F0F236

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#190A06

muted

#867C7A

Preview Lab

Preview with #E23331

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

Preview Lab → · Contrast checker → · Palette generator →