#4B1013#4B1013

#4B1013 is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.8% C 0.088 H 22.4°. Best body text is #FFFFFF at 15.19:1 contrast (WCAG AA passes).

Color values

HEX	#4B1013
RGB	rgb(75, 16, 19)
HSL	hsl(357, 65%, 18%)
HSV	hsv(357, 79%, 29%)
CMYK	cmyk(0%, 78.7%, 74.7%, 70.6%)
CIE-LAB	lab(15.03, 27.79, 14.23)
CIE-LCH	lch(15.03, 31.22, 27.12°)
OKLab	oklab(27.82% 0.0817 0.0336)
OKLCH	oklch(27.82% 0.088 22.4)
XYZ	xyz(3.2048, 1.9139, 0.8166)
Luminance	0.0191 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1013 #104B48

analogous

#4B1030 #4B1013 #4B2A10

triadic

#4B1013 #134B10 #10134B

tetradic

#4B1013 #304B10 #104B48 #2A104B

square

#4B1013 #304B10 #104B48 #2A104B

split-complementary

#4B1013 #104B2A #10304B

monochromatic

#190506 #190506 #4B1013 #7D1B20 #B0262D

Accessibility & contrast

On white

15.19

#4B1013 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#4B1013 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1013

15.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1013	#FFFFFF	#000000	##FFFFFF
##4B1013	1.00	15.19	1.38	15.19
#FFFFFF	15.19	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211E13

Deuteranopia (green-blind)

#2F2A11

Tritanopia (blue-blind)

#530112

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4b1013;
/* rgb */ color: rgb(75, 16, 19);
/* oklch */ color: oklch(27.8% 0.088 22.4);

Tailwind

colors: {
  custom: {
    50: '#835350',
    500: '#4b1013',
    950: '#000000',
  },
}

SCSS

$custom: #4b1013;
$custom-light: #835350;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1013",
  "rgb": {
    "r": 75,
    "g": 16,
    "b": 19
  },
  "hsl": {
    "h": 356.949,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.27824,
    "c": 0.08832,
    "h": 22.4
  },
  "luminance": 0.01913
}

Semantic roles & 50–950 ramp

primary

#4B1013

secondary

#328581

accent

#E8DF40

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0B0302

muted

#7C7878

Preview Lab

Preview with #4B1013

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

Preview Lab → · Contrast checker → · Palette generator →