#CB3941#CB3941

#CB3941 is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.5% C 0.182 H 22.4°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#CB3941
RGB	rgb(203, 57, 65)
HSL	hsl(357, 58%, 51%)
HSV	hsv(357, 72%, 80%)
CMYK	cmyk(0%, 71.9%, 68%, 20.4%)
CIE-LAB	lab(46.99, 57.39, 29.77)
CIE-LCH	lch(46.99, 64.66, 27.42°)
OKLab	oklab(56.52% 0.1686 0.0695)
OKLCH	oklch(56.52% 0.182 22.4)
XYZ	xyz(27.0488, 16.0084, 6.6657)
Luminance	0.1600 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3941 #39CBC3

analogous

#CB398A #CB3941 #CB7A39

triadic

#CB3941 #41CB39 #3941CB

tetradic

#CB3941 #8ACB39 #39CBC3 #7A39CB

square

#CB3941 #8ACB39 #39CBC3 #7A39CB

split-complementary

#CB3941 #39CB7A #398ACB

monochromatic

#6D1D21 #9D2930 #CB3941 #D86970 #E49A9E

Accessibility & contrast

On white

5.00

#CB3941 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#CB3941 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3941

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3941	#FFFFFF	#000000	##FFFFFF
##CB3941	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625B40

Deuteranopia (green-blind)

#877B3C

Tritanopia (blue-blind)

#DF003D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #cb3941;
/* rgb */ color: rgb(203, 57, 65);
/* oklch */ color: oklch(56.5% 0.182 22.4);

Tailwind

colors: {
  custom: {
    50: '#e37a75',
    500: '#cb3941',
    950: '#000000',
  },
}

SCSS

$custom: #cb3941;
$custom-light: #e37a75;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3941",
  "rgb": {
    "r": 203,
    "g": 57,
    "b": 65
  },
  "hsl": {
    "h": 356.712,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5652,
    "c": 0.18232,
    "h": 22.4
  },
  "luminance": 0.16004
}

Semantic roles & 50–950 ramp

primary

#CB3941

secondary

#90D0CD

accent

#E2D946

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3941

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

Preview Lab → · Contrast checker → · Palette generator →