#3B180A#3B180A

#3B180A is a dark, moderate orange. Relative luminance 0.016; OKLCH L 25.8% C 0.060 H 41.5°. Best body text is #FFFFFF at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#3B180A
RGB	rgb(59, 24, 10)
HSL	hsl(17, 71%, 14%)
HSV	hsv(17, 83%, 23%)
CMYK	cmyk(0%, 59.3%, 83.1%, 76.9%)
CIE-LAB	lab(13.26, 16.05, 15.97)
CIE-LCH	lch(13.26, 22.64, 44.87°)
OKLab	oklab(25.83% 0.0451 0.0398)
OKLCH	oklch(25.83% 0.06 41.5)
XYZ	xyz(2.1853, 1.6053, 0.4819)
Luminance	0.0160 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B180A #0A2D3B

analogous

#3B0A14 #3B180A #3B300A

triadic

#3B180A #0A3B18 #180A3B

tetradic

#3B180A #143B0A #0A2D3B #300A3B

square

#3B180A #143B0A #0A2D3B #300A3B

split-complementary

#3B180A #0A3B30 #0A143B

monochromatic

#1A0B04 #1A0B04 #3B180A #6F2D13 #A4431C

Accessibility & contrast

On white

15.90

#3B180A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#3B180A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B180A

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B180A	#FFFFFF	#000000	##FFFFFF
##3B180A	1.00	15.90	1.32	15.90
#FFFFFF	15.90	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221D09

Deuteranopia (green-blind)

#2A2509

Tritanopia (blue-blind)

#411115

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #3b180a;
/* rgb */ color: rgb(59, 24, 10);
/* oklch */ color: oklch(25.8% 0.060 41.5);

Tailwind

colors: {
  custom: {
    50: '#74554b',
    500: '#3b180a',
    950: '#000000',
  },
}

SCSS

$custom: #3b180a;
$custom-light: #74554b;
$custom-dark: #000000;

JSON

{
  "hex": "#3b180a",
  "rgb": {
    "r": 59,
    "g": 24,
    "b": 10
  },
  "hsl": {
    "h": 17.143,
    "s": 71.014,
    "l": 13.529
  },
  "oklch": {
    "l": 0.25829,
    "c": 0.06011,
    "h": 41.5
  },
  "luminance": 0.01605
}

Semantic roles & 50–950 ramp

primary

#3B180A

secondary

#286278

accent

#BAEE3A

background

#F7F5F4

surface

#EDE9E7

border

#C8C5C3

text

#090301

muted

#7B7877

Preview Lab

Preview with #3B180A

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

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