#CB403E#CB403E

#CB403E is a mid, vivid red. Relative luminance 0.167; OKLCH L 57.2% C 0.176 H 25.3°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#CB403E
RGB	rgb(203, 64, 62)
HSL	hsl(1, 58%, 52%)
HSV	hsv(1, 69%, 80%)
CMYK	cmyk(0%, 68.5%, 69.5%, 20.4%)
CIE-LAB	lab(47.90, 54.61, 32.64)
CIE-LCH	lch(47.90, 63.62, 30.87°)
OKLab	oklab(57.19% 0.1591 0.0754)
OKLCH	oklch(57.19% 0.176 25.3)
XYZ	xyz(27.3344, 16.7151, 6.3435)
Luminance	0.1671 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB403E #3EC9CB

analogous

#CB3E83 #CB403E #CB873E

triadic

#CB403E #3ECB40 #403ECB

tetradic

#CB403E #83CB3E #3EC9CB #873ECB

square

#CB403E #83CB3E #3EC9CB #873ECB

split-complementary

#CB403E #3ECB87 #3E83CB

monochromatic

#701F1E #A12D2B #CB403E #D8706E #E59F9E

Accessibility & contrast

On white

4.84

#CB403E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#CB403E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB403E

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB403E	#FFFFFF	#000000	##FFFFFF
##CB403E	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675F3C

Deuteranopia (green-blind)

#8A7D3A

Tritanopia (blue-blind)

#DF1641

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cb403e;
/* rgb */ color: rgb(203, 64, 62);
/* oklch */ color: oklch(57.2% 0.176 25.3);

Tailwind

colors: {
  custom: {
    50: '#e37d73',
    500: '#cb403e',
    950: '#000000',
  },
}

SCSS

$custom: #cb403e;
$custom-light: #e37d73;
$custom-dark: #000000;

JSON

{
  "hex": "#cb403e",
  "rgb": {
    "r": 203,
    "g": 64,
    "b": 62
  },
  "hsl": {
    "h": 0.851,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57188,
    "c": 0.17605,
    "h": 25.3
  },
  "luminance": 0.16711
}

Semantic roles & 50–950 ramp

primary

#CB403E

secondary

#94D0D1

accent

#DFE147

background

#FFF8F7

surface

#FEEFED

border

#D6CAC8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB403E

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

Preview Lab → · Contrast checker → · Palette generator →