#AD3E1B#AD3E1B

#AD3E1B is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.5% C 0.153 H 37.1°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#AD3E1B
RGB	rgb(173, 62, 27)
HSL	hsl(14, 73%, 39%)
HSV	hsv(14, 84%, 68%)
CMYK	cmyk(0%, 64.2%, 84.4%, 32.2%)
CIE-LAB	lab(41.86, 43.74, 43.50)
CIE-LCH	lch(41.86, 61.69, 44.84°)
OKLab	oklab(51.54% 0.1217 0.092)
OKLCH	oklch(51.54% 0.153 37.1)
XYZ	xyz(19.1562, 12.4114, 2.4236)
Luminance	0.1241 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3E1B #1B8AAD

analogous

#AD1B41 #AD3E1B #AD871B

triadic

#AD3E1B #1BAD3E #3E1BAD

tetradic

#AD3E1B #41AD1B #1B8AAD #871BAD

square

#AD3E1B #41AD1B #1B8AAD #871BAD

split-complementary

#AD3E1B #1BAD87 #1B41AD

monochromatic

#43180A #782B13 #AD3E1B #DD5328 #E67E5D

Accessibility & contrast

On white

6.03

#AD3E1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#AD3E1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3E1B

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3E1B	#FFFFFF	#000000	##FFFFFF
##AD3E1B	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5315

Deuteranopia (green-blind)

#796C15

Tritanopia (blue-blind)

#BF1F37

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ad3e1b;
/* rgb */ color: rgb(173, 62, 27);
/* oklch */ color: oklch(51.5% 0.153 37.1);

Tailwind

colors: {
  custom: {
    50: '#ce785b',
    500: '#ad3e1b',
    950: '#000000',
  },
}

SCSS

$custom: #ad3e1b;
$custom-light: #ce785b;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3e1b",
  "rgb": {
    "r": 173,
    "g": 62,
    "b": 27
  },
  "hsl": {
    "h": 14.384,
    "s": 73,
    "l": 39.216
  },
  "oklch": {
    "l": 0.51539,
    "c": 0.15259,
    "h": 37.1
  },
  "luminance": 0.12409
}

Semantic roles & 50–950 ramp

primary

#AD3E1B

secondary

#5AAFCA

accent

#C4F038

background

#FDF7F5

surface

#FBEEE9

border

#D4C9C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3E1B

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

Preview Lab → · Contrast checker → · Palette generator →