#4B1310#4B1310

#4B1310 is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.1% C 0.085 H 27.1°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#4B1310
RGB	rgb(75, 19, 16)
HSL	hsl(3, 65%, 18%)
HSV	hsv(3, 79%, 29%)
CMYK	cmyk(0%, 74.7%, 78.7%, 70.6%)
CIE-LAB	lab(15.48, 26.22, 16.60)
CIE-LCH	lch(15.48, 31.03, 32.34°)
OKLab	oklab(28.15% 0.076 0.0389)
OKLCH	oklch(28.15% 0.085 27.1)
XYZ	xyz(3.2284, 1.9995, 0.7061)
Luminance	0.0200 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1310 #10484B

analogous

#4B102A #4B1310 #4B3010

triadic

#4B1310 #104B13 #13104B

tetradic

#4B1310 #2A4B10 #10484B #30104B

square

#4B1310 #2A4B10 #10484B #30104B

split-complementary

#4B1310 #104B30 #102A4B

monochromatic

#190605 #190605 #4B1310 #7D201B #B02D26

Accessibility & contrast

On white

15.00

#4B1310 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#4B1310 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1310

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1310	#FFFFFF	#000000	##FFFFFF
##4B1310	1.00	15.00	1.40	15.00
#FFFFFF	15.00	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F0F

Deuteranopia (green-blind)

#312B0E

Tritanopia (blue-blind)

#530413

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4b1310;
/* rgb */ color: rgb(75, 19, 16);
/* oklch */ color: oklch(28.1% 0.085 27.1);

Tailwind

colors: {
  custom: {
    50: '#83544e',
    500: '#4b1310',
    950: '#000000',
  },
}

SCSS

$custom: #4b1310;
$custom-light: #83544e;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1310",
  "rgb": {
    "r": 75,
    "g": 19,
    "b": 16
  },
  "hsl": {
    "h": 3.051,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.28149,
    "c": 0.08534,
    "h": 27.1
  },
  "luminance": 0.01999
}

Semantic roles & 50–950 ramp

primary

#4B1310

secondary

#328185

accent

#DFE840

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0B0301

muted

#7C7877

Preview Lab

Preview with #4B1310

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

Preview Lab → · Contrast checker → · Palette generator →