#CB4440#CB4440

#CB4440 is a mid, vivid red. Relative luminance 0.172; OKLCH L 57.7% C 0.172 H 25.8°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#CB4440
RGB	rgb(203, 68, 64)
HSL	hsl(2, 57%, 52%)
HSV	hsv(2, 68%, 80%)
CMYK	cmyk(0%, 66.5%, 68.5%, 20.4%)
CIE-LAB	lab(48.52, 53.11, 32.22)
CIE-LCH	lch(48.52, 62.11, 31.24°)
OKLab	oklab(57.66% 0.1548 0.0748)
OKLCH	oklch(57.66% 0.172 25.8)
XYZ	xyz(27.6240, 17.2049, 6.7158)
Luminance	0.1720 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4440 #40C7CB

analogous

#CB4081 #CB4440 #CB8A40

triadic

#CB4440 #40CB44 #4440CB

tetradic

#CB4440 #81CB40 #40C7CB #8A40CB

square

#CB4440 #81CB40 #40C7CB #8A40CB

split-complementary

#CB4440 #40CB8A #4081CB

monochromatic

#72211F #A22F2C #CB4440 #D87370 #E5A2A0

Accessibility & contrast

On white

4.73

#CB4440 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#CB4440 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4440

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4440	#FFFFFF	#000000	##FFFFFF
##CB4440	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69613E

Deuteranopia (green-blind)

#8B7E3C

Tritanopia (blue-blind)

#DF2044

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cb4440;
/* rgb */ color: rgb(203, 68, 64);
/* oklch */ color: oklch(57.7% 0.172 25.8);

Tailwind

colors: {
  custom: {
    50: '#e27f75',
    500: '#cb4440',
    950: '#000000',
  },
}

SCSS

$custom: #cb4440;
$custom-light: #e27f75;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4440",
  "rgb": {
    "r": 203,
    "g": 68,
    "b": 64
  },
  "hsl": {
    "h": 1.727,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.5766,
    "c": 0.17188,
    "h": 25.8
  },
  "luminance": 0.17201
}

Semantic roles & 50–950 ramp

primary

#CB4440

secondary

#95D0D2

accent

#DCE047

background

#FFF8F7

surface

#FEEFED

border

#D6CAC8

text

#170B08

muted

#857C7B

Preview Lab

Preview with #CB4440

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

Preview Lab → · Contrast checker → · Palette generator →