#CB4740#CB4740

#CB4740 is a mid, vivid red. Relative luminance 0.176; OKLCH L 58.0% C 0.169 H 26.7°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#CB4740
RGB	rgb(203, 71, 64)
HSL	hsl(3, 57%, 52%)
HSV	hsv(3, 68%, 80%)
CMYK	cmyk(0%, 65%, 68.5%, 20.4%)
CIE-LAB	lab(48.98, 51.86, 32.77)
CIE-LCH	lch(48.98, 61.34, 32.29°)
OKLab	oklab(58.01% 0.1508 0.076)
OKLCH	oklch(58.01% 0.169 26.7)
XYZ	xyz(27.8102, 17.5771, 6.7778)
Luminance	0.1757 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4740 #40C4CB

analogous

#CB407E #CB4740 #CB8D40

triadic

#CB4740 #40CB47 #4740CB

tetradic

#CB4740 #7ECB40 #40C4CB #8D40CB

square

#CB4740 #7ECB40 #40C4CB #8D40CB

split-complementary

#CB4740 #40CB8D #407ECB

monochromatic

#72231F #A2322C #CB4740 #D87570 #E5A4A0

Accessibility & contrast

On white

4.65

#CB4740 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#CB4740 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4740

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4740	#FFFFFF	#000000	##FFFFFF
##CB4740	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B623E

Deuteranopia (green-blind)

#8C7F3C

Tritanopia (blue-blind)

#DF2646

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #cb4740;
/* rgb */ color: rgb(203, 71, 64);
/* oklch */ color: oklch(58.0% 0.169 26.7);

Tailwind

colors: {
  custom: {
    50: '#e28175',
    500: '#cb4740',
    950: '#000000',
  },
}

SCSS

$custom: #cb4740;
$custom-light: #e28175;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4740",
  "rgb": {
    "r": 203,
    "g": 71,
    "b": 64
  },
  "hsl": {
    "h": 3.022,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58006,
    "c": 0.16889,
    "h": 26.7
  },
  "luminance": 0.17573
}

Semantic roles & 50–950 ramp

primary

#CB4740

secondary

#95CFD2

accent

#D9E047

background

#FEF8F7

surface

#FDEFED

border

#D5CAC8

text

#170B08

muted

#857C7B

Preview Lab

Preview with #CB4740

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

Preview Lab → · Contrast checker → · Palette generator →