#CA3939#CA3939

#CA3939 is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.2% C 0.182 H 25.2°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#CA3939
RGB	rgb(202, 57, 57)
HSL	hsl(0, 58%, 51%)
HSV	hsv(0, 72%, 79%)
CMYK	cmyk(0%, 71.8%, 71.8%, 20.8%)
CIE-LAB	lab(46.69, 56.69, 34.07)
CIE-LCH	lch(46.69, 66.14, 31.01°)
OKLab	oklab(56.23% 0.1648 0.0777)
OKLCH	oklch(56.23% 0.182 25.2)
XYZ	xyz(26.5617, 15.7822, 5.5178)
Luminance	0.1578 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3939 #39CACA

analogous

#CA3981 #CA3939 #CA8139

triadic

#CA3939 #39CA39 #3939CA

tetradic

#CA3939 #81CA39 #39CACA #8139CA

square

#CA3939 #81CA39 #39CACA #8139CA

split-complementary

#CA3939 #39CA81 #3981CA

monochromatic

#6C1D1D #9C2A2A #CA3939 #D76969 #E49A9A

Accessibility & contrast

On white

5.05

#CA3939 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#CA3939 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3939

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3939	#FFFFFF	#000000	##FFFFFF
##CA3939	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B37

Deuteranopia (green-blind)

#877A34

Tritanopia (blue-blind)

#DE003B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #ca3939;
/* rgb */ color: rgb(202, 57, 57);
/* oklch */ color: oklch(56.2% 0.182 25.2);

Tailwind

colors: {
  custom: {
    50: '#e3796f',
    500: '#ca3939',
    950: '#000000',
  },
}

SCSS

$custom: #ca3939;
$custom-light: #e3796f;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3939",
  "rgb": {
    "r": 202,
    "g": 57,
    "b": 57
  },
  "hsl": {
    "h": 0,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56228,
    "c": 0.18215,
    "h": 25.2
  },
  "luminance": 0.15778
}

Semantic roles & 50–950 ramp

primary

#CA3939

secondary

#8FD0D0

accent

#E1E147

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CA3939

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

Preview Lab → · Contrast checker → · Palette generator →