#CB403C#CB403C

#CB403C is a mid, vivid red. Relative luminance 0.167; OKLCH L 57.2% C 0.176 H 26.1°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#CB403C
RGB	rgb(203, 64, 60)
HSL	hsl(2, 58%, 52%)
HSV	hsv(2, 70%, 80%)
CMYK	cmyk(0%, 68.5%, 70.4%, 20.4%)
CIE-LAB	lab(47.87, 54.51, 33.76)
CIE-LCH	lch(47.87, 64.12, 31.77°)
OKLab	oklab(57.16% 0.1584 0.0775)
OKLCH	oklch(57.16% 0.176 26.1)
XYZ	xyz(27.2806, 16.6935, 6.0598)
Luminance	0.1669 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB403C #3CC7CB

analogous

#CB3C80 #CB403C #CB883C

triadic

#CB403C #3CCB40 #403CCB

tetradic

#CB403C #80CB3C #3CC7CB #883CCB

square

#CB403C #80CB3C #3CC7CB #883CCB

split-complementary

#CB403C #3CCB88 #3C80CB

monochromatic

#6F201E #9F2E2A #CB403C #D86F6C #E59F9D

Accessibility & contrast

On white

4.84

#CB403C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#CB403C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB403C

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB403C	#FFFFFF	#000000	##FFFFFF
##CB403C	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675E3A

Deuteranopia (green-blind)

#8A7D38

Tritanopia (blue-blind)

#DF1540

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cb403c;
/* rgb */ color: rgb(203, 64, 60);
/* oklch */ color: oklch(57.2% 0.176 26.1);

Tailwind

colors: {
  custom: {
    50: '#e37d72',
    500: '#cb403c',
    950: '#000000',
  },
}

SCSS

$custom: #cb403c;
$custom-light: #e37d72;
$custom-dark: #000000;

JSON

{
  "hex": "#cb403c",
  "rgb": {
    "r": 203,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 1.678,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57159,
    "c": 0.17632,
    "h": 26.1
  },
  "luminance": 0.1669
}

Semantic roles & 50–950 ramp

primary

#CB403C

secondary

#92CFD1

accent

#DDE147

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB403C

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

Preview Lab → · Contrast checker → · Palette generator →