#C4313B#C4313B

#C4313B is a mid, vivid red. Relative luminance 0.142; OKLCH L 54.5% C 0.183 H 22.4°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#C4313B
RGB	rgb(196, 49, 59)
HSL	hsl(356, 60%, 48%)
HSV	hsv(356, 75%, 77%)
CMYK	cmyk(0%, 75%, 69.9%, 23.1%)
CIE-LAB	lab(44.59, 57.71, 30.14)
CIE-LCH	lch(44.59, 65.10, 27.58°)
OKLab	oklab(54.47% 0.1692 0.0697)
OKLCH	oklch(54.47% 0.183 22.4)
XYZ	xyz(24.6554, 14.2519, 5.5895)
Luminance	0.1425 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4313B #31C4BA

analogous

#C43185 #C4313B #C47031

triadic

#C4313B #3BC431 #313BC4

tetradic

#C4313B #85C431 #31C4BA #7031C4

square

#C4313B #85C431 #31C4BA #7031C4

split-complementary

#C4313B #31C470 #3185C4

monochromatic

#62191E #93252C #C4313B #D65C64 #E28D93

Accessibility & contrast

On white

5.46

#C4313B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#C4313B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C4313B

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4313B	#FFFFFF	#000000	##FFFFFF
##C4313B	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C553A

Deuteranopia (green-blind)

#817536

Tritanopia (blue-blind)

#D70036

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c4313b;
/* rgb */ color: rgb(196, 49, 59);
/* oklch */ color: oklch(54.5% 0.183 22.4);

Tailwind

colors: {
  custom: {
    50: '#de7571',
    500: '#c4313b',
    950: '#000000',
  },
}

SCSS

$custom: #c4313b;
$custom-light: #de7571;
$custom-dark: #000000;

JSON

{
  "hex": "#c4313b",
  "rgb": {
    "r": 196,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 355.918,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54472,
    "c": 0.18297,
    "h": 22.4
  },
  "luminance": 0.14248
}

Semantic roles & 50–950 ramp

primary

#C4313B

secondary

#84CDC8

accent

#E3D845

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C4313B

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

Preview Lab → · Contrast checker → · Palette generator →