#E55B51#E55B51

#E55B51 is a light, vivid red. Relative luminance 0.247; OKLCH L 64.8% C 0.174 H 27.1°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#E55B51
RGB	rgb(229, 91, 81)
HSL	hsl(4, 74%, 61%)
HSV	hsv(4, 65%, 90%)
CMYK	cmyk(0%, 60.3%, 64.6%, 10.2%)
CIE-LAB	lab(56.82, 52.98, 33.60)
CIE-LCH	lch(56.82, 62.74, 32.39°)
OKLab	oklab(64.8% 0.1547 0.0792)
OKLCH	oklch(64.8% 0.174 27.1)
XYZ	xyz(37.5430, 24.7393, 10.5812)
Luminance	0.2473 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E55B51 #51DBE5

analogous

#E55191 #E55B51 #E5A551

triadic

#E55B51 #51E55B #5B51E5

tetradic

#E55B51 #91E551 #51DBE5 #A551E5

square

#E55B51 #91E551 #51DBE5 #A551E5

split-complementary

#E55B51 #51E5A5 #5191E5

monochromatic

#A32218 #D82D20 #E55B51 #ED8D86 #F5BFBB

Accessibility & contrast

On white

3.53

#E55B51 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#E55B51 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E55B51

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E55B51	#FFFFFF	#000000	##000000
##E55B51	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F764F

Deuteranopia (green-blind)

#A2934D

Tritanopia (blue-blind)

#FB3E59

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #e55b51;
/* rgb */ color: rgb(229, 91, 81);
/* oklch */ color: oklch(64.8% 0.174 27.1);

Tailwind

colors: {
  custom: {
    50: '#f48f82',
    500: '#e55b51',
    950: '#000000',
  },
}

SCSS

$custom: #e55b51;
$custom-light: #f48f82;
$custom-dark: #000000;

JSON

{
  "hex": "#e55b51",
  "rgb": {
    "r": 229,
    "g": 91,
    "b": 81
  },
  "hsl": {
    "h": 4.054,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64804,
    "c": 0.17376,
    "h": 27.1
  },
  "luminance": 0.24734
}

Semantic roles & 50–950 ramp

primary

#E55B51

secondary

#ADE1E5

accent

#C9D60F

background

#FFF9F7

surface

#FFF1EE

border

#D7CBC9

text

#180D0A

muted

#867E7C

Preview Lab

Preview with #E55B51

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

Preview Lab → · Contrast checker → · Palette generator →