#C4403D#C4403D

#C4403D is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.0% C 0.169 H 25.5°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#C4403D
RGB	rgb(196, 64, 61)
HSL	hsl(1, 53%, 50%)
HSV	hsv(1, 69%, 77%)
CMYK	cmyk(0%, 67.3%, 68.9%, 23.1%)
CIE-LAB	lab(46.64, 52.26, 31.41)
CIE-LCH	lch(46.64, 60.97, 31.01°)
OKLab	oklab(56.01% 0.1523 0.0728)
OKLCH	oklch(56.01% 0.169 25.5)
XYZ	xyz(25.4433, 15.7431, 6.1129)
Luminance	0.1574 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4403D #3DC1C4

analogous

#C43D7E #C4403D #C4833D

triadic

#C4403D #3DC440 #403DC4

tetradic

#C4403D #7EC43D #3DC1C4 #833DC4

square

#C4403D #7EC43D #3DC1C4 #833DC4

split-complementary

#C4403D #3DC483 #3D7EC4

monochromatic

#67211F #96302E #C4403D #D26E6C #E19C9B

Accessibility & contrast

On white

5.06

#C4403D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#C4403D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C4403D

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4403D	#FFFFFF	#000000	##FFFFFF
##C4403D	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C3C

Deuteranopia (green-blind)

#857939

Tritanopia (blue-blind)

#D71C41

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c4403d;
/* rgb */ color: rgb(196, 64, 61);
/* oklch */ color: oklch(56.0% 0.169 25.5);

Tailwind

colors: {
  custom: {
    50: '#de7c72',
    500: '#c4403d',
    950: '#000000',
  },
}

SCSS

$custom: #c4403d;
$custom-light: #de7c72;
$custom-dark: #000000;

JSON

{
  "hex": "#c4403d",
  "rgb": {
    "r": 196,
    "g": 64,
    "b": 61
  },
  "hsl": {
    "h": 1.333,
    "s": 53.36,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56007,
    "c": 0.16884,
    "h": 25.5
  },
  "luminance": 0.15739
}

Semantic roles & 50–950 ramp

primary

#C4403D

secondary

#90CBCD

accent

#DADD4B

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C4403D

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

Preview Lab → · Contrast checker → · Palette generator →