#AD401D#AD401D

#AD401D is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.8% C 0.150 H 37.4°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#AD401D
RGB	rgb(173, 64, 29)
HSL	hsl(15, 71%, 40%)
HSV	hsv(15, 83%, 68%)
CMYK	cmyk(0%, 63%, 83.2%, 32.2%)
CIE-LAB	lab(42.22, 42.89, 42.88)
CIE-LCH	lch(42.22, 60.65, 45.00°)
OKLab	oklab(51.81% 0.1194 0.0913)
OKLCH	oklch(51.81% 0.15 37.4)
XYZ	xyz(19.2909, 12.6425, 2.5866)
Luminance	0.1264 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD401D #1D8AAD

analogous

#AD1D42 #AD401D #AD881D

triadic

#AD401D #1DAD40 #401DAD

tetradic

#AD401D #42AD1D #1D8AAD #881DAD

square

#AD401D #42AD1D #1D8AAD #881DAD

split-complementary

#AD401D #1DAD88 #1D42AD

monochromatic

#44190B #792D14 #AD401D #DC562C #E48060

Accessibility & contrast

On white

5.95

#AD401D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#AD401D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD401D

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD401D	#FFFFFF	#000000	##FFFFFF
##AD401D	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5417

Deuteranopia (green-blind)

#7A6D18

Tritanopia (blue-blind)

#BF2339

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #ad401d;
/* rgb */ color: rgb(173, 64, 29);
/* oklch */ color: oklch(51.8% 0.150 37.4);

Tailwind

colors: {
  custom: {
    50: '#ce795c',
    500: '#ad401d',
    950: '#000000',
  },
}

SCSS

$custom: #ad401d;
$custom-light: #ce795c;
$custom-dark: #000000;

JSON

{
  "hex": "#ad401d",
  "rgb": {
    "r": 173,
    "g": 64,
    "b": 29
  },
  "hsl": {
    "h": 14.583,
    "s": 71.287,
    "l": 39.608
  },
  "oklch": {
    "l": 0.51813,
    "c": 0.15036,
    "h": 37.4
  },
  "luminance": 0.1264
}

Semantic roles & 50–950 ramp

primary

#AD401D

secondary

#5DAFC9

accent

#C2EE3A

background

#FDF7F5

surface

#FBEEE9

border

#D4C9C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD401D

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

Preview Lab → · Contrast checker → · Palette generator →