#CA3B31#CA3B31

#CA3B31 is a mid, vivid red. Relative luminance 0.159; OKLCH L 56.3% C 0.181 H 28.3°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#CA3B31
RGB	rgb(202, 59, 49)
HSL	hsl(4, 61%, 49%)
HSV	hsv(4, 76%, 79%)
CMYK	cmyk(0%, 70.8%, 75.7%, 20.8%)
CIE-LAB	lab(46.86, 55.62, 38.81)
CIE-LCH	lch(46.86, 67.82, 34.90°)
OKLab	oklab(56.32% 0.1597 0.0862)
OKLCH	oklch(56.32% 0.181 28.3)
XYZ	xyz(26.4785, 15.9103, 4.5819)
Luminance	0.1591 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3B31 #31C0CA

analogous

#CA3173 #CA3B31 #CA8831

triadic

#CA3B31 #31CA3B #3B31CA

tetradic

#CA3B31 #73CA31 #31C0CA #8831CA

square

#CA3B31 #73CA31 #31C0CA #8831CA

split-complementary

#CA3B31 #31CA88 #3173CA

monochromatic

#671E19 #992D25 #CA3B31 #D86860 #E49791

Accessibility & contrast

On white

5.02

#CA3B31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#CA3B31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3B31

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3B31	#FFFFFF	#000000	##FFFFFF
##CA3B31	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655B2F

Deuteranopia (green-blind)

#887A2B

Tritanopia (blue-blind)

#DE003A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #ca3b31;
/* rgb */ color: rgb(202, 59, 49);
/* oklch */ color: oklch(56.3% 0.181 28.3);

Tailwind

colors: {
  custom: {
    50: '#e37a6a',
    500: '#ca3b31',
    950: '#000000',
  },
}

SCSS

$custom: #ca3b31;
$custom-light: #e37a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3b31",
  "rgb": {
    "r": 202,
    "g": 59,
    "b": 49
  },
  "hsl": {
    "h": 3.922,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.56323,
    "c": 0.18149,
    "h": 28.3
  },
  "luminance": 0.15906
}

Semantic roles & 50–950 ramp

primary

#CA3B31

secondary

#88CACF

accent

#DAE444

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #CA3B31

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

Preview Lab → · Contrast checker → · Palette generator →