#CB404B#CB404B

#CB404B is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.4% C 0.175 H 20.2°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#CB404B
RGB	rgb(203, 64, 75)
HSL	hsl(355, 57%, 52%)
HSV	hsv(355, 68%, 80%)
CMYK	cmyk(0%, 68.5%, 63.1%, 20.4%)
CIE-LAB	lab(48.10, 55.34, 25.21)
CIE-LCH	lch(48.10, 60.81, 24.49°)
OKLab	oklab(57.4% 0.164 0.0605)
OKLCH	oklch(57.4% 0.175 20.2)
XYZ	xyz(27.7348, 16.8752, 8.4521)
Luminance	0.1687 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB404B #40CBC0

analogous

#CB4090 #CB404B #CB7B40

triadic

#CB404B #4BCB40 #404BCB

tetradic

#CB404B #90CB40 #40CBC0 #7B40CB

square

#CB404B #90CB40 #40CBC0 #7B40CB

split-complementary

#CB404B #40CB7B #4090CB

monochromatic

#721F25 #A22C35 #CB404B #D87078 #E5A0A6

Accessibility & contrast

On white

4.80

#CB404B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#CB404B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB404B

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB404B	#FFFFFF	#000000	##FFFFFF
##CB404B	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655F4A

Deuteranopia (green-blind)

#887D47

Tritanopia (blue-blind)

#DE1B45

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cb404b;
/* rgb */ color: rgb(203, 64, 75);
/* oklch */ color: oklch(57.4% 0.175 20.2);

Tailwind

colors: {
  custom: {
    50: '#e27d7d',
    500: '#cb404b',
    950: '#000000',
  },
}

SCSS

$custom: #cb404b;
$custom-light: #e27d7d;
$custom-dark: #000000;

JSON

{
  "hex": "#cb404b",
  "rgb": {
    "r": 203,
    "g": 64,
    "b": 75
  },
  "hsl": {
    "h": 355.252,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57405,
    "c": 0.1748,
    "h": 20.2
  },
  "luminance": 0.16871
}

Semantic roles & 50–950 ramp

primary

#CB404B

secondary

#95D2CD

accent

#E0D447

background

#FEF8F7

surface

#FDEFEE

border

#D5CAC9

text

#170A09

muted

#857C7B

Preview Lab

Preview with #CB404B

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

Preview Lab → · Contrast checker → · Palette generator →