#4B1510#4B1510

#4B1510 is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.4% C 0.083 H 28.7°. Best body text is #FFFFFF at 14.85:1 contrast (WCAG AA passes).

Color values

HEX	#4B1510
RGB	rgb(75, 21, 16)
HSL	hsl(5, 65%, 18%)
HSV	hsv(5, 79%, 29%)
CMYK	cmyk(0%, 72%, 78.7%, 70.6%)
CIE-LAB	lab(15.85, 25.23, 17.06)
CIE-LCH	lch(15.85, 30.45, 34.07°)
OKLab	oklab(28.42% 0.0729 0.0398)
OKLCH	oklch(28.42% 0.083 28.7)
XYZ	xyz(3.2637, 2.0701, 0.7178)
Luminance	0.0207 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1510 #10464B

analogous

#4B1028 #4B1510 #4B3210

triadic

#4B1510 #104B15 #15104B

tetradic

#4B1510 #284B10 #10464B #32104B

square

#4B1510 #284B10 #10464B #32104B

split-complementary

#4B1510 #104B32 #10284B

monochromatic

#190705 #190705 #4B1510 #7D231B #B03126

Accessibility & contrast

On white

14.85

#4B1510 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#4B1510 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1510

14.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1510	#FFFFFF	#000000	##FFFFFF
##4B1510	1.00	14.85	1.41	14.85
#FFFFFF	14.85	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24200F

Deuteranopia (green-blind)

#312C0E

Tritanopia (blue-blind)

#530714

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4b1510;
/* rgb */ color: rgb(75, 21, 16);
/* oklch */ color: oklch(28.4% 0.083 28.7);

Tailwind

colors: {
  custom: {
    50: '#82564e',
    500: '#4b1510',
    950: '#000000',
  },
}

SCSS

$custom: #4b1510;
$custom-light: #82564e;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1510",
  "rgb": {
    "r": 75,
    "g": 21,
    "b": 16
  },
  "hsl": {
    "h": 5.085,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.28423,
    "c": 0.08303,
    "h": 28.7
  },
  "luminance": 0.0207
}

Semantic roles & 50–950 ramp

primary

#4B1510

secondary

#327E85

accent

#DAE840

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0B0301

muted

#7C7877

Preview Lab

Preview with #4B1510

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

Preview Lab → · Contrast checker → · Palette generator →