#CA3D31#CA3D31

#CA3D31 is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.5% C 0.180 H 28.9°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#CA3D31
RGB	rgb(202, 61, 49)
HSL	hsl(5, 61%, 49%)
HSV	hsv(5, 76%, 79%)
CMYK	cmyk(0%, 69.8%, 75.7%, 20.8%)
CIE-LAB	lab(47.13, 54.87, 39.11)
CIE-LCH	lch(47.13, 67.38, 35.48°)
OKLab	oklab(56.53% 0.1574 0.0868)
OKLCH	oklch(56.53% 0.18 28.9)
XYZ	xyz(26.5833, 16.1198, 4.6168)
Luminance	0.1612 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3D31 #31BECA

analogous

#CA3172 #CA3D31 #CA8A31

triadic

#CA3D31 #31CA3D #3D31CA

tetradic

#CA3D31 #72CA31 #31BECA #8A31CA

square

#CA3D31 #72CA31 #31BECA #8A31CA

split-complementary

#CA3D31 #31CA8A #3172CA

monochromatic

#671F19 #992E25 #CA3D31 #D86960 #E49891

Accessibility & contrast

On white

4.97

#CA3D31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#CA3D31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3D31

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3D31	#FFFFFF	#000000	##FFFFFF
##CA3D31	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665C2E

Deuteranopia (green-blind)

#897B2C

Tritanopia (blue-blind)

#DE053B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #ca3d31;
/* rgb */ color: rgb(202, 61, 49);
/* oklch */ color: oklch(56.5% 0.180 28.9);

Tailwind

colors: {
  custom: {
    50: '#e37b6a',
    500: '#ca3d31',
    950: '#000000',
  },
}

SCSS

$custom: #ca3d31;
$custom-light: #e37b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3d31",
  "rgb": {
    "r": 202,
    "g": 61,
    "b": 49
  },
  "hsl": {
    "h": 4.706,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.56528,
    "c": 0.17972,
    "h": 28.9
  },
  "luminance": 0.16116
}

Semantic roles & 50–950 ramp

primary

#CA3D31

secondary

#88C9CF

accent

#D7E444

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #CA3D31

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

Preview Lab → · Contrast checker → · Palette generator →