#CA3711#CA3711

#CA3711 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.7% C 0.189 H 34.3°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#CA3711
RGB	rgb(202, 55, 17)
HSL	hsl(12, 84%, 43%)
HSV	hsv(12, 92%, 79%)
CMYK	cmyk(0%, 72.8%, 91.6%, 20.8%)
CIE-LAB	lab(46.09, 56.24, 53.16)
CIE-LCH	lch(46.09, 77.39, 43.39°)
OKLab	oklab(55.67% 0.1564 0.1066)
OKLCH	oklch(55.67% 0.189 34.3)
XYZ	xyz(25.8277, 15.3335, 2.1299)
Luminance	0.1533 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3711 #11A4CA

analogous

#CA1148 #CA3711 #CA9311

triadic

#CA3711 #11CA37 #3711CA

tetradic

#CA3711 #48CA11 #11A4CA #9311CA

square

#CA3711 #48CA11 #11A4CA #9311CA

split-complementary

#CA3711 #11CA93 #1148CA

monochromatic

#591807 #92280C #CA3711 #ED532B #F28163

Accessibility & contrast

On white

5.17

#CA3711 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#CA3711 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3711

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3711	#FFFFFF	#000000	##FFFFFF
##CA3711	1.00	5.17	4.07	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655806

Deuteranopia (green-blind)

#897900

Tritanopia (blue-blind)

#DF0031

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #ca3711;
/* rgb */ color: rgb(202, 55, 17);
/* oklch */ color: oklch(55.7% 0.189 34.3);

Tailwind

colors: {
  custom: {
    50: '#e57857',
    500: '#ca3711',
    950: '#000000',
  },
}

SCSS

$custom: #ca3711;
$custom-light: #e57857;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3711",
  "rgb": {
    "r": 202,
    "g": 55,
    "b": 17
  },
  "hsl": {
    "h": 12.324,
    "s": 84.475,
    "l": 42.941
  },
  "oklch": {
    "l": 0.55672,
    "c": 0.18926,
    "h": 34.3
  },
  "luminance": 0.15329
}

Semantic roles & 50–950 ramp

primary

#CA3711

secondary

#61BED6

accent

#D0FB2D

background

#FFF7F5

surface

#FFEEE9

border

#D7C9C5

text

#180A03

muted

#867C78

Preview Lab

Preview with #CA3711

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

Preview Lab → · Contrast checker → · Palette generator →