#CA403F#CA403F

#CA403F is a mid, vivid red. Relative luminance 0.166; OKLCH L 57.0% C 0.175 H 25.0°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#CA403F
RGB	rgb(202, 64, 63)
HSL	hsl(0, 57%, 52%)
HSV	hsv(0, 69%, 79%)
CMYK	cmyk(0%, 68.3%, 68.8%, 20.8%)
CIE-LAB	lab(47.73, 54.33, 31.82)
CIE-LCH	lch(47.73, 62.96, 30.35°)
OKLab	oklab(57.04% 0.1586 0.0738)
OKLCH	oklch(57.04% 0.175 25)
XYZ	xyz(27.0906, 16.5862, 6.4766)
Luminance	0.1658 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA403F #3FC9CA

analogous

#CA3F83 #CA403F #CA863F

triadic

#CA403F #3FCA40 #403FCA

tetradic

#CA403F #83CA3F #3FC9CA #863FCA

square

#CA403F #83CA3F #3FC9CA #863FCA

split-complementary

#CA403F #3FCA86 #3F83CA

monochromatic

#701F1F #A02D2C #CA403F #D7706F #E49F9F

Accessibility & contrast

On white

4.87

#CA403F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#CA403F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA403F

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA403F	#FFFFFF	#000000	##FFFFFF
##CA403F	1.00	4.87	4.32	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665E3E

Deuteranopia (green-blind)

#897C3B

Tritanopia (blue-blind)

#DE1741

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #ca403f;
/* rgb */ color: rgb(202, 64, 63);
/* oklch */ color: oklch(57.0% 0.175 25.0);

Tailwind

colors: {
  custom: {
    50: '#e27d74',
    500: '#ca403f',
    950: '#000000',
  },
}

SCSS

$custom: #ca403f;
$custom-light: #e27d74;
$custom-dark: #000000;

JSON

{
  "hex": "#ca403f",
  "rgb": {
    "r": 202,
    "g": 64,
    "b": 63
  },
  "hsl": {
    "h": 0.432,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57036,
    "c": 0.17488,
    "h": 25
  },
  "luminance": 0.16582
}

Semantic roles & 50–950 ramp

primary

#CA403F

secondary

#94D0D1

accent

#DFE048

background

#FFF8F7

surface

#FEEFED

border

#D6CAC8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CA403F

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

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