#CB4340#CB4340

#CB4340 is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.5% C 0.173 H 25.5°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#CB4340
RGB	rgb(203, 67, 64)
HSL	hsl(1, 57%, 52%)
HSV	hsv(1, 68%, 80%)
CMYK	cmyk(0%, 67%, 68.5%, 20.4%)
CIE-LAB	lab(48.37, 53.51, 32.03)
CIE-LCH	lch(48.37, 62.37, 30.91°)
OKLab	oklab(57.55% 0.1561 0.0744)
OKLCH	oklch(57.55% 0.173 25.5)
XYZ	xyz(27.5641, 17.0849, 6.6958)
Luminance	0.1708 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4340 #40C8CB

analogous

#CB4083 #CB4340 #CB8940

triadic

#CB4340 #40CB43 #4340CB

tetradic

#CB4340 #83CB40 #40C8CB #8940CB

square

#CB4340 #83CB40 #40C8CB #8940CB

split-complementary

#CB4340 #40CB89 #4083CB

monochromatic

#72211F #A22F2C #CB4340 #D87270 #E5A2A0

Accessibility & contrast

On white

4.76

#CB4340 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#CB4340 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4340

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4340	#FFFFFF	#000000	##FFFFFF
##CB4340	1.00	4.76	4.42	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68603E

Deuteranopia (green-blind)

#8A7E3C

Tritanopia (blue-blind)

#DF1E44

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cb4340;
/* rgb */ color: rgb(203, 67, 64);
/* oklch */ color: oklch(57.5% 0.173 25.5);

Tailwind

colors: {
  custom: {
    50: '#e37f75',
    500: '#cb4340',
    950: '#000000',
  },
}

SCSS

$custom: #cb4340;
$custom-light: #e37f75;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4340",
  "rgb": {
    "r": 203,
    "g": 67,
    "b": 64
  },
  "hsl": {
    "h": 1.295,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57547,
    "c": 0.17287,
    "h": 25.5
  },
  "luminance": 0.17081
}

Semantic roles & 50–950 ramp

primary

#CB4340

secondary

#95D0D2

accent

#DDE047

background

#FFF8F7

surface

#FEEFED

border

#D6CAC8

text

#170B08

muted

#857C7B

Preview Lab

Preview with #CB4340

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

Preview Lab → · Contrast checker → · Palette generator →