#AD391A#AD391A

#AD391A is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.9% C 0.157 H 35.4°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#AD391A
RGB	rgb(173, 57, 26)
HSL	hsl(13, 74%, 39%)
HSV	hsv(13, 85%, 68%)
CMYK	cmyk(0%, 67.1%, 85%, 32.2%)
CIE-LAB	lab(41.04, 45.91, 43.24)
CIE-LCH	lch(41.04, 63.07, 43.28°)
OKLab	oklab(50.92% 0.1283 0.091)
OKLCH	oklch(50.92% 0.157 35.4)
XYZ	xyz(18.8854, 11.8879, 2.2773)
Luminance	0.1188 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD391A #1A8EAD

analogous

#AD1A45 #AD391A #AD831A

triadic

#AD391A #1AAD39 #391AAD

tetradic

#AD391A #45AD1A #1A8EAD #831AAD

square

#AD391A #45AD1A #1A8EAD #831AAD

split-complementary

#AD391A #1AAD83 #1A45AD

monochromatic

#43160A #782712 #AD391A #DE4D26 #E6785B

Accessibility & contrast

On white

6.22

#AD391A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#AD391A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD391A

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD391A	#FFFFFF	#000000	##FFFFFF
##AD391A	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5015

Deuteranopia (green-blind)

#786A14

Tritanopia (blue-blind)

#BF1433

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ad391a;
/* rgb */ color: rgb(173, 57, 26);
/* oklch */ color: oklch(50.9% 0.157 35.4);

Tailwind

colors: {
  custom: {
    50: '#ce755a',
    500: '#ad391a',
    950: '#000000',
  },
}

SCSS

$custom: #ad391a;
$custom-light: #ce755a;
$custom-dark: #000000;

JSON

{
  "hex": "#ad391a",
  "rgb": {
    "r": 173,
    "g": 57,
    "b": 26
  },
  "hsl": {
    "h": 12.653,
    "s": 73.869,
    "l": 39.02
  },
  "oklch": {
    "l": 0.50916,
    "c": 0.15726,
    "h": 35.4
  },
  "luminance": 0.11885
}

Semantic roles & 50–950 ramp

primary

#AD391A

secondary

#59B2CA

accent

#C9F137

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD391A

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

Preview Lab → · Contrast checker → · Palette generator →