#CA3F39#CA3F39

#CA3F39 is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.8% C 0.177 H 26.8°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#CA3F39
RGB	rgb(202, 63, 57)
HSL	hsl(2, 58%, 51%)
HSV	hsv(2, 72%, 79%)
CMYK	cmyk(0%, 68.8%, 71.8%, 20.8%)
CIE-LAB	lab(47.51, 54.43, 35.02)
CIE-LCH	lch(47.51, 64.73, 32.76°)
OKLab	oklab(56.84% 0.1576 0.0797)
OKLCH	oklch(56.84% 0.177 26.8)
XYZ	xyz(26.8761, 16.4109, 5.6225)
Luminance	0.1641 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3F39 #39C4CA

analogous

#CA397B #CA3F39 #CA8739

triadic

#CA3F39 #39CA3F #3F39CA

tetradic

#CA3F39 #7BCA39 #39C4CA #8739CA

square

#CA3F39 #7BCA39 #39C4CA #8739CA

split-complementary

#CA3F39 #39CA87 #397BCA

monochromatic

#6C201D #9C2E2A #CA3F39 #D76E69 #E49D9A

Accessibility & contrast

On white

4.90

#CA3F39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#CA3F39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3F39

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3F39	#FFFFFF	#000000	##FFFFFF
##CA3F39	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665E37

Deuteranopia (green-blind)

#897C34

Tritanopia (blue-blind)

#DE123F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #ca3f39;
/* rgb */ color: rgb(202, 63, 57);
/* oklch */ color: oklch(56.8% 0.177 26.8);

Tailwind

colors: {
  custom: {
    50: '#e27c70',
    500: '#ca3f39',
    950: '#000000',
  },
}

SCSS

$custom: #ca3f39;
$custom-light: #e27c70;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3f39",
  "rgb": {
    "r": 202,
    "g": 63,
    "b": 57
  },
  "hsl": {
    "h": 2.483,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56842,
    "c": 0.17666,
    "h": 26.8
  },
  "luminance": 0.16407
}

Semantic roles & 50–950 ramp

primary

#CA3F39

secondary

#8FCDD0

accent

#DBE147

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CA3F39

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

Preview Lab → · Contrast checker → · Palette generator →