#E23B31#E23B31

#E23B31 is a mid, highly saturated red. Relative luminance 0.195; OKLCH L 60.4% C 0.205 H 28.4°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#E23B31
RGB	rgb(226, 59, 49)
HSL	hsl(3, 75%, 54%)
HSV	hsv(3, 78%, 89%)
CMYK	cmyk(0%, 73.9%, 78.3%, 11.4%)
CIE-LAB	lab(51.29, 63.08, 44.84)
CIE-LCH	lch(51.29, 77.39, 35.40°)
OKLab	oklab(60.44% 0.1805 0.0975)
OKLCH	oklch(60.44% 0.205 28.4)
XYZ	xyz(33.4864, 19.5237, 4.9104)
Luminance	0.1952 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E23B31 #31D8E2

analogous

#E23180 #E23B31 #E29431

triadic

#E23B31 #31E23B #3B31E2

tetradic

#E23B31 #80E231 #31D8E2 #9431E2

square

#E23B31 #80E231 #31D8E2 #9431E2

split-complementary

#E23B31 #31E294 #3180E2

monochromatic

#861913 #BB231A #E23B31 #EA6E67 #F1A19C

Accessibility & contrast

On white

4.28

#E23B31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#E23B31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E23B31

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E23B31	#FFFFFF	#000000	##000000
##E23B31	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E632E

Deuteranopia (green-blind)

#978729

Tritanopia (blue-blind)

#F9003B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #e23b31;
/* rgb */ color: rgb(226, 59, 49);
/* oklch */ color: oklch(60.4% 0.205 28.4);

Tailwind

colors: {
  custom: {
    50: '#f57d6a',
    500: '#e23b31',
    950: '#000000',
  },
}

SCSS

$custom: #e23b31;
$custom-light: #f57d6a;
$custom-dark: #000000;

JSON

{
  "hex": "#e23b31",
  "rgb": {
    "r": 226,
    "g": 59,
    "b": 49
  },
  "hsl": {
    "h": 3.39,
    "s": 75.319,
    "l": 53.922
  },
  "oklch": {
    "l": 0.6044,
    "c": 0.2051,
    "h": 28.4
  },
  "luminance": 0.19518
}

Semantic roles & 50–950 ramp

primary

#E23B31

secondary

#92D9DD

accent

#E7F236

background

#FFF8F6

surface

#FFEFEB

border

#D7CAC6

text

#190B06

muted

#867C7A

Preview Lab

Preview with #E23B31

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

Preview Lab → · Contrast checker → · Palette generator →