#CB3C40#CB3C40

#CB3C40 is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.8% C 0.180 H 23.5°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#CB3C40
RGB	rgb(203, 60, 64)
HSL	hsl(358, 58%, 52%)
HSV	hsv(358, 70%, 80%)
CMYK	cmyk(0%, 70.4%, 68.5%, 20.4%)
CIE-LAB	lab(47.37, 56.24, 30.83)
CIE-LCH	lch(47.37, 64.14, 28.73°)
OKLab	oklab(56.8% 0.1647 0.0717)
OKLCH	oklch(56.8% 0.18 23.5)
XYZ	xyz(27.1728, 16.3024, 6.5654)
Luminance	0.1630 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3C40 #3CCBC7

analogous

#CB3C88 #CB3C40 #CB803C

triadic

#CB3C40 #40CB3C #3C40CB

tetradic

#CB3C40 #88CB3C #3CCBC7 #803CCB

square

#CB3C40 #88CB3C #3CCBC7 #803CCB

split-complementary

#CB3C40 #3CCB80 #3C88CB

monochromatic

#6F1E20 #9F2A2E #CB3C40 #D86C6F #E59D9F

Accessibility & contrast

On white

4.93

#CB3C40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#CB3C40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3C40

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3C40	#FFFFFF	#000000	##FFFFFF
##CB3C40	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645D3F

Deuteranopia (green-blind)

#887C3C

Tritanopia (blue-blind)

#DF093F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3c40;
/* rgb */ color: rgb(203, 60, 64);
/* oklch */ color: oklch(56.8% 0.180 23.5);

Tailwind

colors: {
  custom: {
    50: '#e37b75',
    500: '#cb3c40',
    950: '#000000',
  },
}

SCSS

$custom: #cb3c40;
$custom-light: #e37b75;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3c40",
  "rgb": {
    "r": 203,
    "g": 60,
    "b": 64
  },
  "hsl": {
    "h": 358.322,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56801,
    "c": 0.17962,
    "h": 23.5
  },
  "luminance": 0.16298
}

Semantic roles & 50–950 ramp

primary

#CB3C40

secondary

#92D1CF

accent

#E1DD47

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3C40

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

Preview Lab → · Contrast checker → · Palette generator →