#AD3A1E#AD3A1E

#AD3A1E is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.1% C 0.156 H 34.7°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#AD3A1E
RGB	rgb(173, 58, 30)
HSL	hsl(12, 70%, 40%)
HSV	hsv(12, 83%, 68%)
CMYK	cmyk(0%, 66.5%, 82.7%, 32.2%)
CIE-LAB	lab(41.23, 45.60, 41.48)
CIE-LCH	lch(41.23, 61.64, 42.29°)
OKLab	oklab(51.07% 0.128 0.0886)
OKLCH	oklch(51.07% 0.156 34.7)
XYZ	xyz(18.9832, 12.0069, 2.5460)
Luminance	0.1200 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3A1E #1E91AD

analogous

#AD1E4A #AD3A1E #AD811E

triadic

#AD3A1E #1EAD3A #3A1EAD

tetradic

#AD3A1E #4AAD1E #1E91AD #811EAD

square

#AD3A1E #4AAD1E #1E91AD #811EAD

split-complementary

#AD3A1E #1EAD81 #1E4AAD

monochromatic

#45170C #792915 #AD3A1E #DB4F2E #E47B62

Accessibility & contrast

On white

6.18

#AD3A1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#AD3A1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3A1E

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3A1E	#FFFFFF	#000000	##FFFFFF
##AD3A1E	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5119

Deuteranopia (green-blind)

#786B19

Tritanopia (blue-blind)

#BF1735

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ad3a1e;
/* rgb */ color: rgb(173, 58, 30);
/* oklch */ color: oklch(51.1% 0.156 34.7);

Tailwind

colors: {
  custom: {
    50: '#ce765c',
    500: '#ad3a1e',
    950: '#000000',
  },
}

SCSS

$custom: #ad3a1e;
$custom-light: #ce765c;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3a1e",
  "rgb": {
    "r": 173,
    "g": 58,
    "b": 30
  },
  "hsl": {
    "h": 11.748,
    "s": 70.443,
    "l": 39.804
  },
  "oklch": {
    "l": 0.51068,
    "c": 0.15561,
    "h": 34.7
  },
  "luminance": 0.12004
}

Semantic roles & 50–950 ramp

primary

#AD3A1E

secondary

#5EB4C8

accent

#CAED3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3A1E

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

Preview Lab → · Contrast checker → · Palette generator →