#AD241B#AD241B

#AD241B is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.8% C 0.174 H 29.0°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#AD241B
RGB	rgb(173, 36, 27)
HSL	hsl(4, 73%, 39%)
HSV	hsv(4, 84%, 68%)
CMYK	cmyk(0%, 79.2%, 84.4%, 32.2%)
CIE-LAB	lab(38.25, 53.64, 40.24)
CIE-LCH	lch(38.25, 67.06, 36.88°)
OKLab	oklab(48.83% 0.1524 0.0846)
OKLCH	oklch(48.83% 0.174 29)
XYZ	xyz(18.0645, 10.2281, 2.0598)
Luminance	0.1022 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD241B #1BA4AD

analogous

#AD1B5B #AD241B #AD6D1B

triadic

#AD241B #1BAD24 #241BAD

tetradic

#AD241B #5BAD1B #1BA4AD #6D1BAD

square

#AD241B #5BAD1B #1BA4AD #6D1BAD

split-complementary

#AD241B #1BAD6D #1B5BAD

monochromatic

#430E0A #781913 #AD241B #DD3328 #E6655D

Accessibility & contrast

On white

6.90

#AD241B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#AD241B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD241B

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD241B	#FFFFFF	#000000	##FFFFFF
##AD241B	1.00	6.90	3.05	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504718

Deuteranopia (green-blind)

#716513

Tritanopia (blue-blind)

#BF0024

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #ad241b;
/* rgb */ color: rgb(173, 36, 27);
/* oklch */ color: oklch(48.8% 0.174 29.0);

Tailwind

colors: {
  custom: {
    50: '#cf6c59',
    500: '#ad241b',
    950: '#000000',
  },
}

SCSS

$custom: #ad241b;
$custom-light: #cf6c59;
$custom-dark: #000000;

JSON

{
  "hex": "#ad241b",
  "rgb": {
    "r": 173,
    "g": 36,
    "b": 27
  },
  "hsl": {
    "h": 3.699,
    "s": 73,
    "l": 39.216
  },
  "oklch": {
    "l": 0.48833,
    "c": 0.17434,
    "h": 29
  },
  "luminance": 0.10225
}

Semantic roles & 50–950 ramp

primary

#AD241B

secondary

#5AC3CA

accent

#E4F038

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #AD241B

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

Preview Lab → · Contrast checker → · Palette generator →