#4B1F09#4B1F09

#4B1F09 is a dark, moderate orange. Relative luminance 0.025; OKLCH L 29.9% C 0.074 H 44.4°. Best body text is #FFFFFF at 14.01:1 contrast (WCAG AA passes).

Color values

HEX	#4B1F09
RGB	rgb(75, 31, 9)
HSL	hsl(20, 79%, 16%)
HSV	hsv(20, 88%, 29%)
CMYK	cmyk(0%, 58.7%, 88%, 70.6%)
CIE-LAB	lab(17.90, 19.29, 22.87)
CIE-LCH	lch(17.90, 29.92, 49.85°)
OKLab	oklab(29.95% 0.053 0.052)
OKLCH	oklch(29.95% 0.074 44.4)
XYZ	xyz(3.4413, 2.4960, 0.5590)
Luminance	0.0250 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1F09 #09354B

analogous

#4B0914 #4B1F09 #4B4009

triadic

#4B1F09 #094B1F #1F094B

tetradic

#4B1F09 #144B09 #09354B #40094B

square

#4B1F09 #144B09 #09354B #40094B

split-complementary

#4B1F09 #094B40 #09144B

monochromatic

#1B0B03 #1B0B03 #4B1F09 #823610 #B84C16

Accessibility & contrast

On white

14.01

#4B1F09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#4B1F09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1F09

14.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1F09	#FFFFFF	#000000	##FFFFFF
##4B1F09	1.00	14.01	1.50	14.01
#FFFFFF	14.01	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2606

Deuteranopia (green-blind)

#363008

Tritanopia (blue-blind)

#53151A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #4b1f09;
/* rgb */ color: rgb(75, 31, 9);
/* oklch */ color: oklch(29.9% 0.074 44.4);

Tailwind

colors: {
  custom: {
    50: '#825c4b',
    500: '#4b1f09',
    950: '#000000',
  },
}

SCSS

$custom: #4b1f09;
$custom-light: #825c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1f09",
  "rgb": {
    "r": 75,
    "g": 31,
    "b": 9
  },
  "hsl": {
    "h": 20,
    "s": 78.571,
    "l": 16.471
  },
  "oklch": {
    "l": 0.29947,
    "c": 0.07423,
    "h": 44.4
  },
  "luminance": 0.02496
}

Semantic roles & 50–950 ramp

primary

#4B1F09

secondary

#286888

accent

#B4F533

background

#F8F5F4

surface

#EFE9E7

border

#CAC5C3

text

#0B0401

muted

#7C7977

Preview Lab

Preview with #4B1F09

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

Preview Lab → · Contrast checker → · Palette generator →