#4B0B17#4B0B17

#4B0B17 is a dark, moderate red. Relative luminance 0.018; OKLCH L 27.4% C 0.094 H 16.0°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#4B0B17
RGB	rgb(75, 11, 23)
HSL	hsl(349, 74%, 17%)
HSV	hsv(349, 85%, 29%)
CMYK	cmyk(0%, 85.3%, 69.3%, 70.6%)
CIE-LAB	lab(14.39, 30.07, 10.64)
CIE-LCH	lch(14.39, 31.90, 19.49°)
OKLab	oklab(27.37% 0.09 0.0258)
OKLCH	oklch(27.37% 0.094 16)
XYZ	xyz(3.1763, 1.7975, 0.9902)
Luminance	0.0180 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B0B17 #0B4B3F

analogous

#4B0B37 #4B0B17 #4B1F0B

triadic

#4B0B17 #174B0B #0B174B

tetradic

#4B0B17 #374B0B #0B4B3F #1F0B4B

square

#4B0B17 #374B0B #0B4B3F #1F0B4B

split-complementary

#4B0B17 #0B4B1F #0B374B

monochromatic

#1B0408 #1B0408 #4B0B17 #801327 #B61B38

Accessibility & contrast

On white

15.45

#4B0B17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#4B0B17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B0B17

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B0B17	#FFFFFF	#000000	##FFFFFF
##4B0B17	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1C17

Deuteranopia (green-blind)

#2D2915

Tritanopia (blue-blind)

#530010

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #4b0b17;
/* rgb */ color: rgb(75, 11, 23);
/* oklch */ color: oklch(27.4% 0.094 16.0);

Tailwind

colors: {
  custom: {
    50: '#825153',
    500: '#4b0b17',
    950: '#000000',
  },
}

SCSS

$custom: #4b0b17;
$custom-light: #825153;
$custom-dark: #000000;

JSON

{
  "hex": "#4b0b17",
  "rgb": {
    "r": 75,
    "g": 11,
    "b": 23
  },
  "hsl": {
    "h": 348.75,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.27374,
    "c": 0.09357,
    "h": 16
  },
  "luminance": 0.01797
}

Semantic roles & 50–950 ramp

primary

#4B0B17

secondary

#2B8776

accent

#F1CE37

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0B0202

muted

#7C7878

Preview Lab

Preview with #4B0B17

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

Preview Lab → · Contrast checker → · Palette generator →