#4B0F1B#4B0F1B

#4B0F1B is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.9% C 0.089 H 13.8°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#4B0F1B
RGB	rgb(75, 15, 27)
HSL	hsl(348, 67%, 18%)
HSV	hsv(348, 80%, 29%)
CMYK	cmyk(0%, 80%, 64%, 70.6%)
CIE-LAB	lab(15.05, 28.81, 8.60)
CIE-LCH	lch(15.05, 30.07, 16.62°)
OKLab	oklab(27.89% 0.0867 0.0213)
OKLCH	oklch(27.89% 0.089 13.8)
XYZ	xyz(3.2706, 1.9171, 1.2345)
Luminance	0.0192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B0F1B #0F4B3F

analogous

#4B0F39 #4B0F1B #4B210F

triadic

#4B0F1B #1B4B0F #0F1B4B

tetradic

#4B0F1B #394B0F #0F4B3F #210F4B

square

#4B0F1B #394B0F #0F4B3F #210F4B

split-complementary

#4B0F1B #0F4B21 #0F394B

monochromatic

#1A0509 #1A0509 #4B0F1B #7E192D #B12340

Accessibility & contrast

On white

15.18

#4B0F1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#4B0F1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B0F1B

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B0F1B	#FFFFFF	#000000	##FFFFFF
##4B0F1B	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1E1B

Deuteranopia (green-blind)

#2E2A19

Tritanopia (blue-blind)

#530214

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4b0f1b;
/* rgb */ color: rgb(75, 15, 27);
/* oklch */ color: oklch(27.9% 0.089 13.8);

Tailwind

colors: {
  custom: {
    50: '#825357',
    500: '#4b0f1b',
    950: '#000000',
  },
}

SCSS

$custom: #4b0f1b;
$custom-light: #825357;
$custom-dark: #000000;

JSON

{
  "hex": "#4b0f1b",
  "rgb": {
    "r": 75,
    "g": 15,
    "b": 27
  },
  "hsl": {
    "h": 348,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27893,
    "c": 0.08932,
    "h": 13.8
  },
  "luminance": 0.01917
}

Semantic roles & 50–950 ramp

primary

#4B0F1B

secondary

#308574

accent

#EAC73E

background

#F8F4F5

surface

#EFE7E9

border

#CAC3C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4B0F1B

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

Preview Lab → · Contrast checker → · Palette generator →