#CA3F33#CA3F33

#CA3F33 is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.8% C 0.178 H 28.8°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#CA3F33
RGB	rgb(202, 63, 51)
HSL	hsl(5, 60%, 50%)
HSV	hsv(5, 75%, 79%)
CMYK	cmyk(0%, 68.8%, 74.8%, 20.8%)
CIE-LAB	lab(47.44, 54.17, 38.33)
CIE-LCH	lch(47.44, 66.36, 35.28°)
OKLab	oklab(56.76% 0.1556 0.0856)
OKLCH	oklch(56.76% 0.178 28.8)
XYZ	xyz(26.7352, 16.3546, 4.8803)
Luminance	0.1635 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3F33 #33BECA

analogous

#CA3373 #CA3F33 #CA8A33

triadic

#CA3F33 #33CA3F #3F33CA

tetradic

#CA3F33 #73CA33 #33BECA #8A33CA

square

#CA3F33 #73CA33 #33BECA #8A33CA

split-complementary

#CA3F33 #33CA8A #3373CA

monochromatic

#68211A #993027 #CA3F33 #D86C63 #E49A94

Accessibility & contrast

On white

4.92

#CA3F33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#CA3F33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3F33

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3F33	#FFFFFF	#000000	##FFFFFF
##CA3F33	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675D31

Deuteranopia (green-blind)

#8A7C2E

Tritanopia (blue-blind)

#DE0F3D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #ca3f33;
/* rgb */ color: rgb(202, 63, 51);
/* oklch */ color: oklch(56.8% 0.178 28.8);

Tailwind

colors: {
  custom: {
    50: '#e37c6b',
    500: '#ca3f33',
    950: '#000000',
  },
}

SCSS

$custom: #ca3f33;
$custom-light: #e37c6b;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3f33",
  "rgb": {
    "r": 202,
    "g": 63,
    "b": 51
  },
  "hsl": {
    "h": 4.768,
    "s": 59.684,
    "l": 49.608
  },
  "oklch": {
    "l": 0.56764,
    "c": 0.1776,
    "h": 28.8
  },
  "luminance": 0.16351
}

Semantic roles & 50–950 ramp

primary

#CA3F33

secondary

#8AC9CF

accent

#D6E345

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CA3F33

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

Preview Lab → · Contrast checker → · Palette generator →