#CB3B3E#CB3B3E

#CB3B3E is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.7% C 0.181 H 24.0°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#CB3B3E
RGB	rgb(203, 59, 62)
HSL	hsl(359, 58%, 51%)
HSV	hsv(359, 71%, 80%)
CMYK	cmyk(0%, 70.9%, 69.5%, 20.4%)
CIE-LAB	lab(47.20, 56.51, 31.81)
CIE-LCH	lch(47.20, 64.85, 29.37°)
OKLab	oklab(56.67% 0.1651 0.0736)
OKLCH	oklch(56.67% 0.181 24)
XYZ	xyz(27.0650, 16.1763, 6.2537)
Luminance	0.1617 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3B3E #3BCBC8

analogous

#CB3B86 #CB3B3E #CB803B

triadic

#CB3B3E #3ECB3B #3B3ECB

tetradic

#CB3B3E #86CB3B #3BCBC8 #803BCB

square

#CB3B3E #86CB3B #3BCBC8 #803BCB

split-complementary

#CB3B3E #3BCB80 #3B86CB

monochromatic

#6E1D1F #9F2A2D #CB3B3E #D86B6E #E59C9D

Accessibility & contrast

On white

4.96

#CB3B3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#CB3B3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3B3E

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3B3E	#FFFFFF	#000000	##FFFFFF
##CB3B3E	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C3D

Deuteranopia (green-blind)

#887B39

Tritanopia (blue-blind)

#DF033E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3b3e;
/* rgb */ color: rgb(203, 59, 62);
/* oklch */ color: oklch(56.7% 0.181 24.0);

Tailwind

colors: {
  custom: {
    50: '#e37b73',
    500: '#cb3b3e',
    950: '#000000',
  },
}

SCSS

$custom: #cb3b3e;
$custom-light: #e37b73;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3b3e",
  "rgb": {
    "r": 203,
    "g": 59,
    "b": 62
  },
  "hsl": {
    "h": 358.75,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56669,
    "c": 0.18077,
    "h": 24
  },
  "luminance": 0.16172
}

Semantic roles & 50–950 ramp

primary

#CB3B3E

secondary

#91D1CF

accent

#E1DE47

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3B3E

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

Preview Lab → · Contrast checker → · Palette generator →