#37280B#37280B

#37280B is a dark, muted orange. Relative luminance 0.024; OKLCH L 28.8% C 0.048 H 81.0°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#37280B
RGB	rgb(55, 40, 11)
HSL	hsl(40, 67%, 13%)
HSV	hsv(40, 80%, 22%)
CMYK	cmyk(0%, 27.3%, 80%, 78.4%)
CIE-LAB	lab(17.25, 3.28, 20.51)
CIE-LCH	lch(17.25, 20.77, 80.90°)
OKLab	oklab(28.78% 0.0075 0.0478)
OKLCH	oklch(28.78% 0.048 81)
XYZ	xyz(2.3949, 2.3541, 0.6448)
Luminance	0.0235 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37280B #0B1A37

analogous

#37120B #37280B #30370B

triadic

#37280B #0B3728 #280B37

tetradic

#37280B #0B3712 #0B1A37 #370B30

square

#37280B #0B3712 #0B1A37 #370B30

split-complementary

#37280B #0B3037 #120B37

monochromatic

#1A1305 #1A1305 #37280B #6A4D15 #9D721F

Accessibility & contrast

On white

14.28

#37280B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#37280B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37280B

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37280B	#FFFFFF	#000000	##FFFFFF
##37280B	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2808

Deuteranopia (green-blind)

#322C0C

Tritanopia (blue-blind)

#3C2422

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #37280b;
/* rgb */ color: rgb(55, 40, 11);
/* oklch */ color: oklch(28.8% 0.048 81.0);

Tailwind

colors: {
  custom: {
    50: '#70614c',
    500: '#37280b',
    950: '#000000',
  },
}

SCSS

$custom: #37280b;
$custom-light: #70614c;
$custom-dark: #000000;

JSON

{
  "hex": "#37280b",
  "rgb": {
    "r": 55,
    "g": 40,
    "b": 11
  },
  "hsl": {
    "h": 39.545,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.28782,
    "c": 0.04835,
    "h": 81
  },
  "luminance": 0.02354
}

Semantic roles & 50–950 ramp

primary

#37280B

secondary

#2A4374

accent

#79EA3E

background

#F6F5F4

surface

#ECE9E7

border

#C7C5C3

text

#080501

muted

#7B7977

Preview Lab

Preview with #37280B

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

Preview Lab → · Contrast checker → · Palette generator →