#CB4034#CB4034

#CB4034 is a mid, vivid red. Relative luminance 0.166; OKLCH L 57.1% C 0.178 H 28.8°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#CB4034
RGB	rgb(203, 64, 52)
HSL	hsl(5, 59%, 50%)
HSV	hsv(5, 74%, 80%)
CMYK	cmyk(0%, 68.5%, 74.4%, 20.4%)
CIE-LAB	lab(47.77, 54.15, 38.19)
CIE-LCH	lch(47.77, 66.26, 35.20°)
OKLab	oklab(57.05% 0.1556 0.0855)
OKLCH	oklch(57.05% 0.178 28.8)
XYZ	xyz(27.0849, 16.6153, 5.0290)
Luminance	0.1661 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4034 #34BFCB

analogous

#CB3474 #CB4034 #CB8B34

triadic

#CB4034 #34CB40 #4034CB

tetradic

#CB4034 #74CB34 #34BFCB #8B34CB

square

#CB4034 #74CB34 #34BFCB #8B34CB

split-complementary

#CB4034 #34CB8B #3474CB

monochromatic

#6A211B #9A3128 #CB4034 #D76E65 #E49C95

Accessibility & contrast

On white

4.86

#CB4034 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#CB4034 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4034

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4034	#FFFFFF	#000000	##FFFFFF
##CB4034	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685E32

Deuteranopia (green-blind)

#8A7D2F

Tritanopia (blue-blind)

#DF123E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb4034;
/* rgb */ color: rgb(203, 64, 52);
/* oklch */ color: oklch(57.1% 0.178 28.8);

Tailwind

colors: {
  custom: {
    50: '#e37d6c',
    500: '#cb4034',
    950: '#000000',
  },
}

SCSS

$custom: #cb4034;
$custom-light: #e37d6c;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4034",
  "rgb": {
    "r": 203,
    "g": 64,
    "b": 52
  },
  "hsl": {
    "h": 4.768,
    "s": 59.216,
    "l": 50
  },
  "oklch": {
    "l": 0.57052,
    "c": 0.17756,
    "h": 28.8
  },
  "luminance": 0.16611
}

Semantic roles & 50–950 ramp

primary

#CB4034

secondary

#8CCACF

accent

#D6E245

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB4034

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

Preview Lab → · Contrast checker → · Palette generator →