#CB3B41#CB3B41

#CB3B41 is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.7% C 0.180 H 22.9°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#CB3B41
RGB	rgb(203, 59, 65)
HSL	hsl(358, 58%, 51%)
HSV	hsv(358, 71%, 80%)
CMYK	cmyk(0%, 70.9%, 68%, 20.4%)
CIE-LAB	lab(47.25, 56.67, 30.09)
CIE-LCH	lch(47.25, 64.16, 27.97°)
OKLab	oklab(56.72% 0.1662 0.0702)
OKLCH	oklch(56.72% 0.18 22.9)
XYZ	xyz(27.1496, 16.2101, 6.6993)
Luminance	0.1621 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3B41 #3BCBC5

analogous

#CB3B89 #CB3B41 #CB7D3B

triadic

#CB3B41 #41CB3B #3B41CB

tetradic

#CB3B41 #89CB3B #3BCBC5 #7D3BCB

square

#CB3B41 #89CB3B #3BCBC5 #7D3BCB

split-complementary

#CB3B41 #3BCB7D #3B89CB

monochromatic

#6E1D21 #9F2A2F #CB3B41 #D86B70 #E59C9F

Accessibility & contrast

On white

4.95

#CB3B41 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#CB3B41 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3B41

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3B41	#FFFFFF	#000000	##FFFFFF
##CB3B41	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C40

Deuteranopia (green-blind)

#887B3D

Tritanopia (blue-blind)

#DF063F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3b41;
/* rgb */ color: rgb(203, 59, 65);
/* oklch */ color: oklch(56.7% 0.180 22.9);

Tailwind

colors: {
  custom: {
    50: '#e37b75',
    500: '#cb3b41',
    950: '#000000',
  },
}

SCSS

$custom: #cb3b41;
$custom-light: #e37b75;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3b41",
  "rgb": {
    "r": 203,
    "g": 59,
    "b": 65
  },
  "hsl": {
    "h": 357.5,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56716,
    "c": 0.18046,
    "h": 22.9
  },
  "luminance": 0.16206
}

Semantic roles & 50–950 ramp

primary

#CB3B41

secondary

#91D1CE

accent

#E1DB47

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3B41

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

Preview Lab → · Contrast checker → · Palette generator →