#4B170D#4B170D

#4B170D is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.7% C 0.081 H 32.9°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#4B170D
RGB	rgb(75, 23, 13)
HSL	hsl(10, 70%, 17%)
HSV	hsv(10, 83%, 29%)
CMYK	cmyk(0%, 69.3%, 82.7%, 70.6%)
CIE-LAB	lab(16.20, 24.02, 19.05)
CIE-LCH	lch(16.20, 30.66, 38.41°)
OKLab	oklab(28.67% 0.0684 0.0442)
OKLCH	oklch(28.67% 0.081 32.9)
XYZ	xyz(3.2810, 2.1382, 0.6206)
Luminance	0.0214 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B170D #0D414B

analogous

#4B0D22 #4B170D #4B360D

triadic

#4B170D #0D4B17 #170D4B

tetradic

#4B170D #224B0D #0D414B #360D4B

square

#4B170D #224B0D #0D414B #360D4B

split-complementary

#4B170D #0D4B36 #0D224B

monochromatic

#1A0805 #1A0805 #4B170D #7F2716 #B3371F

Accessibility & contrast

On white

14.71

#4B170D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#4B170D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B170D

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B170D	#FFFFFF	#000000	##FFFFFF
##4B170D	1.00	14.71	1.43	14.71
#FFFFFF	14.71	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25210C

Deuteranopia (green-blind)

#322C0B

Tritanopia (blue-blind)

#530A15

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #4b170d;
/* rgb */ color: rgb(75, 23, 13);
/* oklch */ color: oklch(28.7% 0.081 32.9);

Tailwind

colors: {
  custom: {
    50: '#82574c',
    500: '#4b170d',
    950: '#000000',
  },
}

SCSS

$custom: #4b170d;
$custom-light: #82574c;
$custom-dark: #000000;

JSON

{
  "hex": "#4b170d",
  "rgb": {
    "r": 75,
    "g": 23,
    "b": 13
  },
  "hsl": {
    "h": 9.677,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.2867,
    "c": 0.08144,
    "h": 32.9
  },
  "luminance": 0.02138
}

Semantic roles & 50–950 ramp

primary

#4B170D

secondary

#2E7886

accent

#D0ED3B

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0B0301

muted

#7C7877

Preview Lab

Preview with #4B170D

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

Preview Lab → · Contrast checker → · Palette generator →