#CB4036#CB4036

#CB4036 is a mid, vivid red. Relative luminance 0.166; OKLCH L 57.1% C 0.177 H 28.1°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#CB4036
RGB	rgb(203, 64, 54)
HSL	hsl(4, 59%, 50%)
HSV	hsv(4, 73%, 80%)
CMYK	cmyk(0%, 68.5%, 73.4%, 20.4%)
CIE-LAB	lab(47.80, 54.24, 37.10)
CIE-LCH	lch(47.80, 65.71, 34.37°)
OKLab	oklab(57.08% 0.1563 0.0836)
OKLCH	oklch(57.08% 0.177 28.1)
XYZ	xyz(27.1309, 16.6337, 5.2713)
Luminance	0.1663 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4036 #36C1CB

analogous

#CB3676 #CB4036 #CB8A36

triadic

#CB4036 #36CB40 #4036CB

tetradic

#CB4036 #76CB36 #36C1CB #8A36CB

square

#CB4036 #76CB36 #36C1CB #8A36CB

split-complementary

#CB4036 #36CB8A #3676CB

monochromatic

#6B211C #9C3028 #CB4036 #D86E67 #E49C97

Accessibility & contrast

On white

4.85

#CB4036 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#CB4036 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4036

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4036	#FFFFFF	#000000	##FFFFFF
##CB4036	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685E34

Deuteranopia (green-blind)

#8A7D31

Tritanopia (blue-blind)

#DF133F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb4036;
/* rgb */ color: rgb(203, 64, 54);
/* oklch */ color: oklch(57.1% 0.177 28.1);

Tailwind

colors: {
  custom: {
    50: '#e37d6e',
    500: '#cb4036',
    950: '#000000',
  },
}

SCSS

$custom: #cb4036;
$custom-light: #e37d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4036",
  "rgb": {
    "r": 203,
    "g": 64,
    "b": 54
  },
  "hsl": {
    "h": 4.027,
    "s": 58.893,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57077,
    "c": 0.17723,
    "h": 28.1
  },
  "luminance": 0.1663
}

Semantic roles & 50–950 ramp

primary

#CB4036

secondary

#8DCBD0

accent

#D8E246

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB4036

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

Preview Lab → · Contrast checker → · Palette generator →