#4B0F10#4B0F10

#4B0F10 is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.7% C 0.090 H 24.5°. Best body text is #FFFFFF at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#4B0F10
RGB	rgb(75, 15, 16)
HSL	hsl(359, 67%, 18%)
HSV	hsv(359, 80%, 29%)
CMYK	cmyk(0%, 80%, 78.7%, 70.6%)
CIE-LAB	lab(14.82, 28.04, 15.75)
CIE-LCH	lch(14.82, 32.16, 29.32°)
OKLab	oklab(27.65% 0.0817 0.0372)
OKLCH	oklch(27.65% 0.09 24.5)
XYZ	xyz(3.1664, 1.8754, 0.6854)
Luminance	0.0187 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B0F10 #0F4B4A

analogous

#4B0F2E #4B0F10 #4B2C0F

triadic

#4B0F10 #104B0F #0F104B

tetradic

#4B0F10 #2E4B0F #0F4B4A #2C0F4B

square

#4B0F10 #2E4B0F #0F4B4A #2C0F4B

split-complementary

#4B0F10 #0F4B2C #0F2E4B

monochromatic

#1A0505 #1A0505 #4B0F10 #7E191B #B12326

Accessibility & contrast

On white

15.27

#4B0F10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#4B0F10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B0F10

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B0F10	#FFFFFF	#000000	##FFFFFF
##4B0F10	1.00	15.27	1.38	15.27
#FFFFFF	15.27	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201D0F

Deuteranopia (green-blind)

#2F2A0E

Tritanopia (blue-blind)

#530010

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #4b0f10;
/* rgb */ color: rgb(75, 15, 16);
/* oklch */ color: oklch(27.7% 0.090 24.5);

Tailwind

colors: {
  custom: {
    50: '#83534e',
    500: '#4b0f10',
    950: '#000000',
  },
}

SCSS

$custom: #4b0f10;
$custom-light: #83534e;
$custom-dark: #000000;

JSON

{
  "hex": "#4b0f10",
  "rgb": {
    "r": 75,
    "g": 15,
    "b": 16
  },
  "hsl": {
    "h": 359,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27651,
    "c": 0.08979,
    "h": 24.5
  },
  "luminance": 0.01875
}

Semantic roles & 50–950 ramp

primary

#4B0F10

secondary

#308584

accent

#EAE73E

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0C0201

muted

#7D7877

Preview Lab

Preview with #4B0F10

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

Preview Lab → · Contrast checker → · Palette generator →