#CB4640#CB4640

#CB4640 is a mid, vivid red. Relative luminance 0.174; OKLCH L 57.9% C 0.170 H 26.4°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#CB4640
RGB	rgb(203, 70, 64)
HSL	hsl(3, 57%, 52%)
HSV	hsv(3, 68%, 80%)
CMYK	cmyk(0%, 65.5%, 68.5%, 20.4%)
CIE-LAB	lab(48.82, 52.28, 32.58)
CIE-LCH	lch(48.82, 61.60, 31.93°)
OKLab	oklab(57.89% 0.1522 0.0756)
OKLCH	oklch(57.89% 0.17 26.4)
XYZ	xyz(27.7471, 17.4509, 6.7568)
Luminance	0.1745 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4640 #40C5CB

analogous

#CB407F #CB4640 #CB8C40

triadic

#CB4640 #40CB46 #4640CB

tetradic

#CB4640 #7FCB40 #40C5CB #8C40CB

square

#CB4640 #7FCB40 #40C5CB #8C40CB

split-complementary

#CB4640 #40CB8C #407FCB

monochromatic

#72231F #A2312C #CB4640 #D87570 #E5A3A0

Accessibility & contrast

On white

4.68

#CB4640 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#CB4640 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4640

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4640	#FFFFFF	#000000	##FFFFFF
##CB4640	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A623E

Deuteranopia (green-blind)

#8C7F3C

Tritanopia (blue-blind)

#DF2446

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #cb4640;
/* rgb */ color: rgb(203, 70, 64);
/* oklch */ color: oklch(57.9% 0.170 26.4);

Tailwind

colors: {
  custom: {
    50: '#e28075',
    500: '#cb4640',
    950: '#000000',
  },
}

SCSS

$custom: #cb4640;
$custom-light: #e28075;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4640",
  "rgb": {
    "r": 203,
    "g": 70,
    "b": 64
  },
  "hsl": {
    "h": 2.59,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57889,
    "c": 0.1699,
    "h": 26.4
  },
  "luminance": 0.17447
}

Semantic roles & 50–950 ramp

primary

#CB4640

secondary

#95CFD2

accent

#DAE047

background

#FFF8F7

surface

#FEEFED

border

#D6CAC8

text

#170B08

muted

#857C7B

Preview Lab

Preview with #CB4640

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

Preview Lab → · Contrast checker → · Palette generator →