#AD401C#AD401C

#AD401C is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.8% C 0.151 H 37.7°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#AD401C
RGB	rgb(173, 64, 28)
HSL	hsl(15, 72%, 39%)
HSV	hsv(15, 84%, 68%)
CMYK	cmyk(0%, 63%, 83.8%, 32.2%)
CIE-LAB	lab(42.21, 42.86, 43.35)
CIE-LCH	lch(42.21, 60.96, 45.32°)
OKLab	oklab(51.81% 0.1192 0.092)
OKLCH	oklch(51.81% 0.151 37.7)
XYZ	xyz(19.2787, 12.6376, 2.5225)
Luminance	0.1263 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD401C #1C89AD

analogous

#AD1C40 #AD401C #AD891C

triadic

#AD401C #1CAD40 #401CAD

tetradic

#AD401C #40AD1C #1C89AD #891CAD

square

#AD401C #40AD1C #1C89AD #891CAD

split-complementary

#AD401C #1CAD89 #1C40AD

monochromatic

#44190B #782D13 #AD401C #DC562A #E5805E

Accessibility & contrast

On white

5.95

#AD401C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#AD401C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD401C

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD401C	#FFFFFF	#000000	##FFFFFF
##AD401C	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)

#5F5416

Deuteranopia (green-blind)

#7A6D17

Tritanopia (blue-blind)

#BF2339

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #ad401c;
/* rgb */ color: rgb(173, 64, 28);
/* oklch */ color: oklch(51.8% 0.151 37.7);

Tailwind

colors: {
  custom: {
    50: '#ce795c',
    500: '#ad401c',
    950: '#000000',
  },
}

SCSS

$custom: #ad401c;
$custom-light: #ce795c;
$custom-dark: #000000;

JSON

{
  "hex": "#ad401c",
  "rgb": {
    "r": 173,
    "g": 64,
    "b": 28
  },
  "hsl": {
    "h": 14.897,
    "s": 72.139,
    "l": 39.412
  },
  "oklch": {
    "l": 0.51805,
    "c": 0.15058,
    "h": 37.7
  },
  "luminance": 0.12635
}

Semantic roles & 50–950 ramp

primary

#AD401C

secondary

#5CAEC9

accent

#C2EF39

background

#FDF7F5

surface

#FBEEE9

border

#D4C9C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD401C

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

Preview Lab → · Contrast checker → · Palette generator →