#AD381E#AD381E

#AD381E is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.8% C 0.157 H 33.9°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#AD381E
RGB	rgb(173, 56, 30)
HSL	hsl(11, 70%, 40%)
HSV	hsv(11, 83%, 68%)
CMYK	cmyk(0%, 67.6%, 82.7%, 32.2%)
CIE-LAB	lab(40.91, 46.45, 41.18)
CIE-LCH	lch(40.91, 62.08, 41.56°)
OKLab	oklab(50.83% 0.1306 0.0879)
OKLCH	oklch(50.83% 0.157 33.9)
XYZ	xyz(18.8843, 11.8091, 2.5131)
Luminance	0.1181 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD381E #1E93AD

analogous

#AD1E4C #AD381E #AD7F1E

triadic

#AD381E #1EAD38 #381EAD

tetradic

#AD381E #4CAD1E #1E93AD #7F1EAD

square

#AD381E #4CAD1E #1E93AD #7F1EAD

split-complementary

#AD381E #1EAD7F #1E4CAD

monochromatic

#45160C #792715 #AD381E #DB4D2E #E47962

Accessibility & contrast

On white

6.25

#AD381E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#AD381E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD381E

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD381E	#FFFFFF	#000000	##FFFFFF
##AD381E	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A501A

Deuteranopia (green-blind)

#776A18

Tritanopia (blue-blind)

#BF1233

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ad381e;
/* rgb */ color: rgb(173, 56, 30);
/* oklch */ color: oklch(50.8% 0.157 33.9);

Tailwind

colors: {
  custom: {
    50: '#ce755c',
    500: '#ad381e',
    950: '#000000',
  },
}

SCSS

$custom: #ad381e;
$custom-light: #ce755c;
$custom-dark: #000000;

JSON

{
  "hex": "#ad381e",
  "rgb": {
    "r": 173,
    "g": 56,
    "b": 30
  },
  "hsl": {
    "h": 10.909,
    "s": 70.443,
    "l": 39.804
  },
  "oklch": {
    "l": 0.50831,
    "c": 0.15742,
    "h": 33.9
  },
  "luminance": 0.11806
}

Semantic roles & 50–950 ramp

primary

#AD381E

secondary

#5EB5C8

accent

#CDED3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD381E

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

Preview Lab → · Contrast checker → · Palette generator →