#CA3137#CA3137

#CA3137 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.5% C 0.189 H 24.1°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#CA3137
RGB	rgb(202, 49, 55)
HSL	hsl(358, 61%, 49%)
HSV	hsv(358, 76%, 79%)
CMYK	cmyk(0%, 75.7%, 72.8%, 20.8%)
CIE-LAB	lab(45.68, 59.33, 34.07)
CIE-LCH	lch(45.68, 68.42, 29.87°)
OKLab	oklab(55.47% 0.1727 0.0773)
OKLCH	oklch(55.47% 0.189 24.1)
XYZ	xyz(26.1480, 15.0331, 5.1386)
Luminance	0.1503 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3137 #31CAC4

analogous

#CA3184 #CA3137 #CA7831

triadic

#CA3137 #37CA31 #3137CA

tetradic

#CA3137 #84CA31 #31CAC4 #7831CA

square

#CA3137 #84CA31 #31CAC4 #7831CA

split-complementary

#CA3137 #31CA78 #3184CA

monochromatic

#67191C #99252A #CA3137 #D86065 #E49194

Accessibility & contrast

On white

5.24

#CA3137 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#CA3137 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3137

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3137	#FFFFFF	#000000	##FFFFFF
##CA3137	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5736

Deuteranopia (green-blind)

#857832

Tritanopia (blue-blind)

#DE0035

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #ca3137;
/* rgb */ color: rgb(202, 49, 55);
/* oklch */ color: oklch(55.5% 0.189 24.1);

Tailwind

colors: {
  custom: {
    50: '#e3766e',
    500: '#ca3137',
    950: '#000000',
  },
}

SCSS

$custom: #ca3137;
$custom-light: #e3766e;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3137",
  "rgb": {
    "r": 202,
    "g": 49,
    "b": 55
  },
  "hsl": {
    "h": 357.647,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55469,
    "c": 0.18919,
    "h": 24.1
  },
  "luminance": 0.15029
}

Semantic roles & 50–950 ramp

primary

#CA3137

secondary

#88CFCC

accent

#E4DE44

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170907

muted

#857B7A

Preview Lab

Preview with #CA3137

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

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