#CB4940#CB4940

#CB4940 is a mid, vivid red. Relative luminance 0.178; OKLCH L 58.2% C 0.167 H 27.4°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#CB4940
RGB	rgb(203, 73, 64)
HSL	hsl(4, 57%, 52%)
HSV	hsv(4, 68%, 80%)
CMYK	cmyk(0%, 64%, 68.5%, 20.4%)
CIE-LAB	lab(49.30, 51.00, 33.15)
CIE-LCH	lch(49.30, 60.83, 33.02°)
OKLab	oklab(58.24% 0.1482 0.0768)
OKLCH	oklch(58.24% 0.167 27.4)
XYZ	xyz(27.9394, 17.8357, 6.8209)
Luminance	0.1783 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4940 #40C2CB

analogous

#CB407C #CB4940 #CB8F40

triadic

#CB4940 #40CB49 #4940CB

tetradic

#CB4940 #7CCB40 #40C2CB #8F40CB

square

#CB4940 #7CCB40 #40C2CB #8F40CB

split-complementary

#CB4940 #40CB8F #407CCB

monochromatic

#72241F #A2342C #CB4940 #D87770 #E5A5A0

Accessibility & contrast

On white

4.60

#CB4940 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#CB4940 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4940

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4940	#FFFFFF	#000000	##FFFFFF
##CB4940	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C633E

Deuteranopia (green-blind)

#8D803C

Tritanopia (blue-blind)

#DF2A48

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #cb4940;
/* rgb */ color: rgb(203, 73, 64);
/* oklch */ color: oklch(58.2% 0.167 27.4);

Tailwind

colors: {
  custom: {
    50: '#e28275',
    500: '#cb4940',
    950: '#000000',
  },
}

SCSS

$custom: #cb4940;
$custom-light: #e28275;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4940",
  "rgb": {
    "r": 203,
    "g": 73,
    "b": 64
  },
  "hsl": {
    "h": 3.885,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58244,
    "c": 0.16688,
    "h": 27.4
  },
  "luminance": 0.17832
}

Semantic roles & 50–950 ramp

primary

#CB4940

secondary

#95CED2

accent

#D7E047

background

#FEF8F7

surface

#FDEFED

border

#D5CAC8

text

#170B08

muted

#857C7B

Preview Lab

Preview with #CB4940

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

Preview Lab → · Contrast checker → · Palette generator →