#4C170B#4C170B

#4C170B is a dark, moderate red. Relative luminance 0.022; OKLCH L 28.8% C 0.083 H 34.2°. Best body text is #FFFFFF at 14.64:1 contrast (WCAG AA passes).

Color values

HEX	#4C170B
RGB	rgb(76, 23, 11)
HSL	hsl(11, 75%, 17%)
HSV	hsv(11, 86%, 30%)
CMYK	cmyk(0%, 69.7%, 85.5%, 70.2%)
CIE-LAB	lab(16.37, 24.35, 20.22)
CIE-LCH	lch(16.37, 31.65, 39.71°)
OKLab	oklab(28.84% 0.0688 0.0468)
OKLCH	oklch(28.84% 0.083 34.2)
XYZ	xyz(3.3477, 2.1739, 0.5599)
Luminance	0.0217 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C170B #0B404C

analogous

#4C0B20 #4C170B #4C380B

triadic

#4C170B #0B4C17 #170B4C

tetradic

#4C170B #204C0B #0B404C #380B4C

square

#4C170B #204C0B #0B404C #380B4C

split-complementary

#4C170B #0B4C38 #0B204C

monochromatic

#1B0804 #1B0804 #4C170B #812713 #B7371A

Accessibility & contrast

On white

14.64

#4C170B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#4C170B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C170B

14.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C170B	#FFFFFF	#000000	##FFFFFF
##4C170B	1.00	14.64	1.43	14.64
#FFFFFF	14.64	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262109

Deuteranopia (green-blind)

#332D09

Tritanopia (blue-blind)

#540915

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4c170b;
/* rgb */ color: rgb(76, 23, 11);
/* oklch */ color: oklch(28.8% 0.083 34.2);

Tailwind

colors: {
  custom: {
    50: '#83574b',
    500: '#4c170b',
    950: '#000000',
  },
}

SCSS

$custom: #4c170b;
$custom-light: #83574b;
$custom-dark: #000000;

JSON

{
  "hex": "#4c170b",
  "rgb": {
    "r": 76,
    "g": 23,
    "b": 11
  },
  "hsl": {
    "h": 11.077,
    "s": 74.713,
    "l": 17.059
  },
  "oklch": {
    "l": 0.28835,
    "c": 0.08324,
    "h": 34.2
  },
  "luminance": 0.02173
}

Semantic roles & 50–950 ramp

primary

#4C170B

secondary

#2B7788

accent

#CFF136

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4C170B

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

Preview Lab → · Contrast checker → · Palette generator →