#CA3940#CA3940

#CA3940 is a mid, vivid red. Relative luminance 0.159; OKLCH L 56.3% C 0.181 H 22.7°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#CA3940
RGB	rgb(202, 57, 64)
HSL	hsl(357, 58%, 51%)
HSV	hsv(357, 72%, 79%)
CMYK	cmyk(0%, 71.8%, 68.3%, 20.8%)
CIE-LAB	lab(46.79, 57.03, 30.08)
CIE-LCH	lch(46.79, 64.48, 27.81°)
OKLab	oklab(56.33% 0.1673 0.0701)
OKLCH	oklch(56.33% 0.181 22.7)
XYZ	xyz(26.7486, 15.8570, 6.5017)
Luminance	0.1585 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3940 #39CAC3

analogous

#CA3989 #CA3940 #CA7A39

triadic

#CA3940 #40CA39 #3940CA

tetradic

#CA3940 #89CA39 #39CAC3 #7A39CA

square

#CA3940 #89CA39 #39CAC3 #7A39CA

split-complementary

#CA3940 #39CA7A #3989CA

monochromatic

#6C1D21 #9C2A2F #CA3940 #D7696F #E49A9D

Accessibility & contrast

On white

5.04

#CA3940 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#CA3940 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3940

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3940	#FFFFFF	#000000	##FFFFFF
##CA3940	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625B3F

Deuteranopia (green-blind)

#877A3B

Tritanopia (blue-blind)

#DE003D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #ca3940;
/* rgb */ color: rgb(202, 57, 64);
/* oklch */ color: oklch(56.3% 0.181 22.7);

Tailwind

colors: {
  custom: {
    50: '#e27a75',
    500: '#ca3940',
    950: '#000000',
  },
}

SCSS

$custom: #ca3940;
$custom-light: #e27a75;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3940",
  "rgb": {
    "r": 202,
    "g": 57,
    "b": 64
  },
  "hsl": {
    "h": 357.103,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56333,
    "c": 0.1814,
    "h": 22.7
  },
  "luminance": 0.15853
}

Semantic roles & 50–950 ramp

primary

#CA3940

secondary

#8FD0CC

accent

#E1DA47

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CA3940

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

Preview Lab → · Contrast checker → · Palette generator →