#4B310B#4B310B

#4B310B is a dark, moderate orange. Relative luminance 0.037; OKLCH L 33.7% C 0.063 H 72.1°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#4B310B
RGB	rgb(75, 49, 11)
HSL	hsl(36, 74%, 17%)
HSV	hsv(36, 85%, 29%)
CMYK	cmyk(0%, 34.7%, 85.3%, 70.6%)
CIE-LAB	lab(22.71, 7.93, 27.43)
CIE-LCH	lch(22.71, 28.55, 73.88°)
OKLab	oklab(33.66% 0.0195 0.0603)
OKLCH	oklch(33.66% 0.063 72.1)
XYZ	xyz(4.0607, 3.7170, 0.8201)
Luminance	0.0372 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B310B #0B254B

analogous

#4B110B #4B310B #454B0B

triadic

#4B310B #0B4B31 #310B4B

tetradic

#4B310B #0B4B11 #0B254B #4B0B45

square

#4B310B #0B4B11 #0B254B #4B0B45

split-complementary

#4B310B #0B454B #110B4B

monochromatic

#1B1104 #1B1104 #4B310B #805413 #B6771B

Accessibility & contrast

On white

12.05

#4B310B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#4B310B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B310B

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B310B	#FFFFFF	#000000	##FFFFFF
##4B310B	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3306

Deuteranopia (green-blind)

#40390C

Tritanopia (blue-blind)

#522A29

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #4b310b;
/* rgb */ color: rgb(75, 49, 11);
/* oklch */ color: oklch(33.7% 0.063 72.1);

Tailwind

colors: {
  custom: {
    50: '#81694d',
    500: '#4b310b',
    950: '#000000',
  },
}

SCSS

$custom: #4b310b;
$custom-light: #81694d;
$custom-dark: #000000;

JSON

{
  "hex": "#4b310b",
  "rgb": {
    "r": 75,
    "g": 49,
    "b": 11
  },
  "hsl": {
    "h": 35.625,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.33664,
    "c": 0.0634,
    "h": 72.1
  },
  "luminance": 0.03717
}

Semantic roles & 50–950 ramp

primary

#4B310B

secondary

#2B5087

accent

#82F137

background

#F8F6F4

surface

#EFEBE7

border

#CAC6C3

text

#0B0601

muted

#7C7A77

Preview Lab

Preview with #4B310B

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

Preview Lab → · Contrast checker → · Palette generator →