#CB3E36#CB3E36

#CB3E36 is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.9% C 0.179 H 27.6°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#CB3E36
RGB	rgb(203, 62, 54)
HSL	hsl(3, 59%, 50%)
HSV	hsv(3, 73%, 80%)
CMYK	cmyk(0%, 69.5%, 73.4%, 20.4%)
CIE-LAB	lab(47.51, 55.01, 36.78)
CIE-LCH	lch(47.51, 66.17, 33.76°)
OKLab	oklab(56.86% 0.1587 0.0829)
OKLCH	oklch(56.86% 0.179 27.6)
XYZ	xyz(27.0201, 16.4121, 5.2344)
Luminance	0.1641 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3E36 #36C3CB

analogous

#CB3679 #CB3E36 #CB8836

triadic

#CB3E36 #36CB3E #3E36CB

tetradic

#CB3E36 #79CB36 #36C3CB #8836CB

square

#CB3E36 #79CB36 #36C3CB #8836CB

split-complementary

#CB3E36 #36CB88 #3679CB

monochromatic

#6B201C #9C2E28 #CB3E36 #D86D67 #E49B97

Accessibility & contrast

On white

4.90

#CB3E36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#CB3E36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3E36

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3E36	#FFFFFF	#000000	##FFFFFF
##CB3E36	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D34

Deuteranopia (green-blind)

#8A7C31

Tritanopia (blue-blind)

#DF0B3D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb3e36;
/* rgb */ color: rgb(203, 62, 54);
/* oklch */ color: oklch(56.9% 0.179 27.6);

Tailwind

colors: {
  custom: {
    50: '#e37c6e',
    500: '#cb3e36',
    950: '#000000',
  },
}

SCSS

$custom: #cb3e36;
$custom-light: #e37c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3e36",
  "rgb": {
    "r": 203,
    "g": 62,
    "b": 54
  },
  "hsl": {
    "h": 3.221,
    "s": 58.893,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56864,
    "c": 0.17907,
    "h": 27.6
  },
  "luminance": 0.16408
}

Semantic roles & 50–950 ramp

primary

#CB3E36

secondary

#8DCCD0

accent

#DAE246

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3E36

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

Preview Lab → · Contrast checker → · Palette generator →