#4B1015#4B1015

#4B1015 is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.9% C 0.088 H 20.5°. Best body text is #FFFFFF at 15.17:1 contrast (WCAG AA passes).

Color values

HEX	#4B1015
RGB	rgb(75, 16, 21)
HSL	hsl(355, 65%, 18%)
HSV	hsv(355, 79%, 29%)
CMYK	cmyk(0%, 78.7%, 72%, 70.6%)
CIE-LAB	lab(15.07, 27.92, 12.96)
CIE-LCH	lch(15.07, 30.78, 24.90°)
OKLab	oklab(27.87% 0.0826 0.0308)
OKLCH	oklch(27.87% 0.088 20.5)
XYZ	xyz(3.2226, 1.9211, 0.9104)
Luminance	0.0192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1015 #104B46

analogous

#4B1032 #4B1015 #4B2810

triadic

#4B1015 #154B10 #10154B

tetradic

#4B1015 #324B10 #104B46 #28104B

square

#4B1015 #324B10 #104B46 #28104B

split-complementary

#4B1015 #104B28 #10324B

monochromatic

#190507 #190507 #4B1015 #7D1B23 #B02631

Accessibility & contrast

On white

15.17

#4B1015 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#4B1015 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1015

15.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1015	#FFFFFF	#000000	##FFFFFF
##4B1015	1.00	15.17	1.38	15.17
#FFFFFF	15.17	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201E15

Deuteranopia (green-blind)

#2F2A13

Tritanopia (blue-blind)

#530112

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4b1015;
/* rgb */ color: rgb(75, 16, 21);
/* oklch */ color: oklch(27.9% 0.088 20.5);

Tailwind

colors: {
  custom: {
    50: '#825352',
    500: '#4b1015',
    950: '#000000',
  },
}

SCSS

$custom: #4b1015;
$custom-light: #825352;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1015",
  "rgb": {
    "r": 75,
    "g": 16,
    "b": 21
  },
  "hsl": {
    "h": 354.915,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.27865,
    "c": 0.08815,
    "h": 20.5
  },
  "luminance": 0.01921
}

Semantic roles & 50–950 ramp

primary

#4B1015

secondary

#32857E

accent

#E8DA40

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0B0302

muted

#7C7878

Preview Lab

Preview with #4B1015

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

Preview Lab → · Contrast checker → · Palette generator →