#CF3B3B#CF3B3B

#CF3B3B is a mid, vivid red. Relative luminance 0.167; OKLCH L 57.3% C 0.185 H 25.2°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#CF3B3B
RGB	rgb(207, 59, 59)
HSL	hsl(0, 61%, 52%)
HSV	hsv(0, 71%, 81%)
CMYK	cmyk(0%, 71.5%, 71.5%, 18.8%)
CIE-LAB	lab(47.90, 57.63, 34.55)
CIE-LCH	lch(47.90, 67.19, 30.95°)
OKLab	oklab(57.31% 0.1675 0.0789)
OKLCH	oklch(57.31% 0.185 25.2)
XYZ	xyz(28.0886, 16.7133, 5.8838)
Luminance	0.1671 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3B3B #3BCFCF

analogous

#CF3B85 #CF3B3B #CF853B

triadic

#CF3B3B #3BCF3B #3B3BCF

tetradic

#CF3B3B #85CF3B #3BCFCF #853BCF

square

#CF3B3B #85CF3B #3BCFCF #853BCF

split-complementary

#CF3B3B #3BCF85 #3B85CF

monochromatic

#731C1C #A52828 #CF3B3B #DB6C6C #E79D9D

Accessibility & contrast

On white

4.84

#CF3B3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#CF3B3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3B3B

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3B3B	#FFFFFF	#000000	##FFFFFF
##CF3B3B	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D39

Deuteranopia (green-blind)

#8B7D36

Tritanopia (blue-blind)

#E4003D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cf3b3b;
/* rgb */ color: rgb(207, 59, 59);
/* oklch */ color: oklch(57.3% 0.185 25.2);

Tailwind

colors: {
  custom: {
    50: '#e67b71',
    500: '#cf3b3b',
    950: '#000000',
  },
}

SCSS

$custom: #cf3b3b;
$custom-light: #e67b71;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3b3b",
  "rgb": {
    "r": 207,
    "g": 59,
    "b": 59
  },
  "hsl": {
    "h": 0,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57306,
    "c": 0.18516,
    "h": 25.2
  },
  "luminance": 0.16709
}

Semantic roles & 50–950 ramp

primary

#CF3B3B

secondary

#93D3D3

accent

#E4E444

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #CF3B3B

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

Preview Lab → · Contrast checker → · Palette generator →