#4B1F0B#4B1F0B

#4B1F0B is a dark, moderate orange. Relative luminance 0.025; OKLCH L 30.0% C 0.073 H 43.1°. Best body text is #FFFFFF at 14.00:1 contrast (WCAG AA passes).

Color values

HEX	#4B1F0B
RGB	rgb(75, 31, 11)
HSL	hsl(19, 74%, 17%)
HSV	hsv(19, 85%, 29%)
CMYK	cmyk(0%, 58.7%, 85.3%, 70.6%)
CIE-LAB	lab(17.92, 19.38, 22.07)
CIE-LCH	lch(17.92, 29.37, 48.71°)
OKLab	oklab(29.97% 0.0537 0.0502)
OKLCH	oklch(29.97% 0.073 43.1)
XYZ	xyz(3.4524, 2.5004, 0.6174)
Luminance	0.0250 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1F0B #0B374B

analogous

#4B0B17 #4B1F0B #4B3F0B

triadic

#4B1F0B #0B4B1F #1F0B4B

tetradic

#4B1F0B #174B0B #0B374B #3F0B4B

square

#4B1F0B #174B0B #0B374B #3F0B4B

split-complementary

#4B1F0B #0B4B3F #0B174B

monochromatic

#1B0B04 #1B0B04 #4B1F0B #803513 #B64B1B

Accessibility & contrast

On white

14.00

#4B1F0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#4B1F0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1F0B

14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1F0B	#FFFFFF	#000000	##FFFFFF
##4B1F0B	1.00	14.00	1.50	14.00
#FFFFFF	14.00	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2609

Deuteranopia (green-blind)

#36300A

Tritanopia (blue-blind)

#53151B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #4b1f0b;
/* rgb */ color: rgb(75, 31, 11);
/* oklch */ color: oklch(30.0% 0.073 43.1);

Tailwind

colors: {
  custom: {
    50: '#825c4c',
    500: '#4b1f0b',
    950: '#000000',
  },
}

SCSS

$custom: #4b1f0b;
$custom-light: #825c4c;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1f0b",
  "rgb": {
    "r": 75,
    "g": 31,
    "b": 11
  },
  "hsl": {
    "h": 18.75,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.29969,
    "c": 0.07347,
    "h": 43.1
  },
  "luminance": 0.025
}

Semantic roles & 50–950 ramp

primary

#4B1F0B

secondary

#2B6A87

accent

#B7F137

background

#F8F5F4

surface

#EFE9E7

border

#CAC5C3

text

#0B0401

muted

#7C7977

Preview Lab

Preview with #4B1F0B

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

Preview Lab → · Contrast checker → · Palette generator →