#E23937#E23937

#E23937 is a mid, highly saturated red. Relative luminance 0.194; OKLCH L 60.3% C 0.206 H 26.5°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#E23937
RGB	rgb(226, 57, 55)
HSL	hsl(1, 75%, 55%)
HSV	hsv(1, 76%, 89%)
CMYK	cmyk(0%, 74.8%, 75.7%, 11.4%)
CIE-LAB	lab(51.12, 63.93, 41.41)
CIE-LCH	lch(51.12, 76.17, 32.93°)
OKLab	oklab(60.33% 0.1843 0.0917)
OKLCH	oklch(60.33% 0.206 26.5)
XYZ	xyz(33.5207, 19.3761, 5.5886)
Luminance	0.1937 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E23937 #37E0E2

analogous

#E2378A #E23937 #E28F37

triadic

#E23937 #37E239 #3937E2

tetradic

#E23937 #8AE237 #37E0E2 #8F37E2

square

#E23937 #8AE237 #37E0E2 #8F37E2

split-complementary

#E23937 #37E28F #378AE2

monochromatic

#8B1514 #C01E1C #E23937 #EA6E6C #F2A3A2

Accessibility & contrast

On white

4.31

#E23937 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#E23937 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E23937

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E23937	#FFFFFF	#000000	##000000
##E23937	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6235

Deuteranopia (green-blind)

#968730

Tritanopia (blue-blind)

#F9003B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #e23937;
/* rgb */ color: rgb(226, 57, 55);
/* oklch */ color: oklch(60.3% 0.206 26.5);

Tailwind

colors: {
  custom: {
    50: '#f57d6e',
    500: '#e23937',
    950: '#000000',
  },
}

SCSS

$custom: #e23937;
$custom-light: #f57d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#e23937",
  "rgb": {
    "r": 226,
    "g": 57,
    "b": 55
  },
  "hsl": {
    "h": 0.702,
    "s": 74.672,
    "l": 55.098
  },
  "oklch": {
    "l": 0.60333,
    "c": 0.2059,
    "h": 26.5
  },
  "luminance": 0.19371
}

Semantic roles & 50–950 ramp

primary

#E23937

secondary

#97DDDE

accent

#EFF137

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#190B07

muted

#867C7A

Preview Lab

Preview with #E23937

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

Preview Lab → · Contrast checker → · Palette generator →