#C43339#C43339

#C43339 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.6% C 0.181 H 23.6°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#C43339
RGB	rgb(196, 51, 57)
HSL	hsl(358, 59%, 48%)
HSV	hsv(358, 74%, 77%)
CMYK	cmyk(0%, 74%, 70.9%, 23.1%)
CIE-LAB	lab(44.80, 56.94, 31.58)
CIE-LCH	lch(44.80, 65.11, 29.02°)
OKLab	oklab(54.62% 0.1663 0.0725)
OKLCH	oklch(54.62% 0.181 23.6)
XYZ	xyz(24.6901, 14.4026, 5.3500)
Luminance	0.1440 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43339 #33C4BE

analogous

#C43381 #C43339 #C47533

triadic

#C43339 #39C433 #3339C4

tetradic

#C43339 #81C433 #33C4BE #7533C4

square

#C43339 #81C433 #33C4BE #7533C4

split-complementary

#C43339 #33C475 #3381C4

monochromatic

#631A1D #93262B #C43339 #D55F64 #E28F93

Accessibility & contrast

On white

5.41

#C43339 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#C43339 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43339

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43339	#FFFFFF	#000000	##FFFFFF
##C43339	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5638

Deuteranopia (green-blind)

#827534

Tritanopia (blue-blind)

#D80037

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c43339;
/* rgb */ color: rgb(196, 51, 57);
/* oklch */ color: oklch(54.6% 0.181 23.6);

Tailwind

colors: {
  custom: {
    50: '#de766f',
    500: '#c43339',
    950: '#000000',
  },
}

SCSS

$custom: #c43339;
$custom-light: #de766f;
$custom-dark: #000000;

JSON

{
  "hex": "#c43339",
  "rgb": {
    "r": 196,
    "g": 51,
    "b": 57
  },
  "hsl": {
    "h": 357.517,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54622,
    "c": 0.18143,
    "h": 23.6
  },
  "luminance": 0.14399
}

Semantic roles & 50–950 ramp

primary

#C43339

secondary

#86CDCA

accent

#E2DB46

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C43339

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

Preview Lab → · Contrast checker → · Palette generator →