#4B1B0B#4B1B0B

#4B1B0B is a dark, moderate orange. Relative luminance 0.023; OKLCH L 29.3% C 0.078 H 38.4°. Best body text is #FFFFFF at 14.38:1 contrast (WCAG AA passes).

Color values

HEX	#4B1B0B
RGB	rgb(75, 27, 11)
HSL	hsl(15, 74%, 17%)
HSV	hsv(15, 85%, 29%)
CMYK	cmyk(0%, 64%, 85.3%, 70.6%)
CIE-LAB	lab(17.01, 21.72, 20.96)
CIE-LCH	lch(17.01, 30.19, 43.98°)
OKLab	oklab(29.28% 0.0609 0.0482)
OKLCH	oklch(29.28% 0.078 38.4)
XYZ	xyz(3.3543, 2.3043, 0.5847)
Luminance	0.0230 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1B0B #0B3B4B

analogous

#4B0B1B #4B1B0B #4B3B0B

triadic

#4B1B0B #0B4B1B #1B0B4B

tetradic

#4B1B0B #1B4B0B #0B3B4B #3B0B4B

square

#4B1B0B #1B4B0B #0B3B4B #3B0B4B

split-complementary

#4B1B0B #0B4B3B #0B1B4B

monochromatic

#1B0A04 #1B0A04 #4B1B0B #802E13 #B6411B

Accessibility & contrast

On white

14.38

#4B1B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#4B1B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1B0B

14.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1B0B	#FFFFFF	#000000	##FFFFFF
##4B1B0B	1.00	14.38	1.46	14.38
#FFFFFF	14.38	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282309

Deuteranopia (green-blind)

#342E09

Tritanopia (blue-blind)

#531018

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #4b1b0b;
/* rgb */ color: rgb(75, 27, 11);
/* oklch */ color: oklch(29.3% 0.078 38.4);

Tailwind

colors: {
  custom: {
    50: '#82594c',
    500: '#4b1b0b',
    950: '#000000',
  },
}

SCSS

$custom: #4b1b0b;
$custom-light: #82594c;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1b0b",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 11
  },
  "hsl": {
    "h": 15,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.29277,
    "c": 0.0776,
    "h": 38.4
  },
  "luminance": 0.02304
}

Semantic roles & 50–950 ramp

primary

#4B1B0B

secondary

#2B7087

accent

#C2F137

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0B0301

muted

#7C7877

Preview Lab

Preview with #4B1B0B

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

Preview Lab → · Contrast checker → · Palette generator →