#4B170F#4B170F

#4B170F is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.7% C 0.081 H 31.2°. Best body text is #FFFFFF at 14.70:1 contrast (WCAG AA passes).

Color values

HEX	#4B170F
RGB	rgb(75, 23, 15)
HSL	hsl(8, 67%, 18%)
HSV	hsv(8, 80%, 29%)
CMYK	cmyk(0%, 69.3%, 80%, 70.6%)
CIE-LAB	lab(16.22, 24.13, 18.07)
CIE-LCH	lch(16.22, 30.15, 36.83°)
OKLab	oklab(28.7% 0.0692 0.042)
OKLCH	oklch(28.7% 0.081 31.2)
XYZ	xyz(3.2946, 2.1436, 0.6921)
Luminance	0.0214 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B170F #0F434B

analogous

#4B0F25 #4B170F #4B350F

triadic

#4B170F #0F4B17 #170F4B

tetradic

#4B170F #254B0F #0F434B #350F4B

square

#4B170F #254B0F #0F434B #350F4B

split-complementary

#4B170F #0F4B35 #0F254B

monochromatic

#1A0805 #1A0805 #4B170F #7E2719 #B13623

Accessibility & contrast

On white

14.70

#4B170F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#4B170F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B170F

14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B170F	#FFFFFF	#000000	##FFFFFF
##4B170F	1.00	14.70	1.43	14.70
#FFFFFF	14.70	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25210E

Deuteranopia (green-blind)

#322C0D

Tritanopia (blue-blind)

#530A15

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #4b170f;
/* rgb */ color: rgb(75, 23, 15);
/* oklch */ color: oklch(28.7% 0.081 31.2);

Tailwind

colors: {
  custom: {
    50: '#82574e',
    500: '#4b170f',
    950: '#000000',
  },
}

SCSS

$custom: #4b170f;
$custom-light: #82574e;
$custom-dark: #000000;

JSON

{
  "hex": "#4b170f",
  "rgb": {
    "r": 75,
    "g": 23,
    "b": 15
  },
  "hsl": {
    "h": 8,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.28699,
    "c": 0.08093,
    "h": 31.2
  },
  "luminance": 0.02143
}

Semantic roles & 50–950 ramp

primary

#4B170F

secondary

#307A85

accent

#D3EA3E

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0B0301

muted

#7C7877

Preview Lab

Preview with #4B170F

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

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