#37180C#37180C

#37180C is a dark, muted orange. Relative luminance 0.015; OKLCH L 25.2% C 0.054 H 41.3°. Best body text is #FFFFFF at 16.17:1 contrast (WCAG AA passes).

Color values

HEX	#37180C
RGB	rgb(55, 24, 12)
HSL	hsl(17, 64%, 13%)
HSV	hsv(17, 78%, 22%)
CMYK	cmyk(0%, 56.4%, 78.2%, 78.4%)
CIE-LAB	lab(12.56, 14.22, 14.04)
CIE-LCH	lch(12.56, 19.98, 44.65°)
OKLab	oklab(25.15% 0.0404 0.0354)
OKLCH	oklch(25.15% 0.054 41.3)
XYZ	xyz(1.9687, 1.4923, 0.5321)
Luminance	0.0149 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37180C #0C2B37

analogous

#370C15 #37180C #372D0C

triadic

#37180C #0C3718 #180C37

tetradic

#37180C #15370C #0C2B37 #2D0C37

square

#37180C #15370C #0C2B37 #2D0C37

split-complementary

#37180C #0C372D #0C1537

monochromatic

#190B05 #190B05 #37180C #692E17 #9B4422

Accessibility & contrast

On white

16.17

#37180C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#37180C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37180C

16.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37180C	#FFFFFF	#000000	##FFFFFF
##37180C	1.00	16.17	1.30	16.17
#FFFFFF	16.17	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201C0B

Deuteranopia (green-blind)

#28230B

Tritanopia (blue-blind)

#3D1215

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #37180c;
/* rgb */ color: rgb(55, 24, 12);
/* oklch */ color: oklch(25.2% 0.054 41.3);

Tailwind

colors: {
  custom: {
    50: '#71554c',
    500: '#37180c',
    950: '#000000',
  },
}

SCSS

$custom: #37180c;
$custom-light: #71554c;
$custom-dark: #000000;

JSON

{
  "hex": "#37180c",
  "rgb": {
    "r": 55,
    "g": 24,
    "b": 12
  },
  "hsl": {
    "h": 16.744,
    "s": 64.179,
    "l": 13.137
  },
  "oklch": {
    "l": 0.25153,
    "c": 0.0537,
    "h": 41.3
  },
  "luminance": 0.01492
}

Semantic roles & 50–950 ramp

primary

#37180C

secondary

#2C5F73

accent

#B9E741

background

#F7F5F4

surface

#EDE8E7

border

#C8C4C3

text

#080301

muted

#7B7877

Preview Lab

Preview with #37180C

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

Preview Lab → · Contrast checker → · Palette generator →