#4B0F0F#4B0F0F

#4B0F0F is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.6% C 0.090 H 25.3°. Best body text is #FFFFFF at 15.28:1 contrast (WCAG AA passes).

Color values

HEX	#4B0F0F
RGB	rgb(75, 15, 15)
HSL	hsl(0, 67%, 18%)
HSV	hsv(0, 80%, 29%)
CMYK	cmyk(0%, 80%, 80%, 70.6%)
CIE-LAB	lab(14.80, 27.99, 16.27)
CIE-LCH	lch(14.80, 32.37, 30.17°)
OKLab	oklab(27.63% 0.0813 0.0384)
OKLCH	oklch(27.63% 0.09 25.3)
XYZ	xyz(3.1591, 1.8725, 0.6469)
Luminance	0.0187 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B0F0F #0F4B4B

analogous

#4B0F2D #4B0F0F #4B2D0F

triadic

#4B0F0F #0F4B0F #0F0F4B

tetradic

#4B0F0F #2D4B0F #0F4B4B #2D0F4B

square

#4B0F0F #2D4B0F #0F4B4B #2D0F4B

split-complementary

#4B0F0F #0F4B2D #0F2D4B

monochromatic

#1A0505 #1A0505 #4B0F0F #7E1919 #B12323

Accessibility & contrast

On white

15.28

#4B0F0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#4B0F0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B0F0F

15.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B0F0F	#FFFFFF	#000000	##FFFFFF
##4B0F0F	1.00	15.28	1.37	15.28
#FFFFFF	15.28	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201D0E

Deuteranopia (green-blind)

#2F2A0D

Tritanopia (blue-blind)

#530010

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #4b0f0f;
/* rgb */ color: rgb(75, 15, 15);
/* oklch */ color: oklch(27.6% 0.090 25.3);

Tailwind

colors: {
  custom: {
    50: '#83524d',
    500: '#4b0f0f',
    950: '#000000',
  },
}

SCSS

$custom: #4b0f0f;
$custom-light: #83524d;
$custom-dark: #000000;

JSON

{
  "hex": "#4b0f0f",
  "rgb": {
    "r": 75,
    "g": 15,
    "b": 15
  },
  "hsl": {
    "h": 0,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27634,
    "c": 0.08992,
    "h": 25.3
  },
  "luminance": 0.01872
}

Semantic roles & 50–950 ramp

primary

#4B0F0F

secondary

#308585

accent

#EAEA3E

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0C0201

muted

#7D7877

Preview Lab

Preview with #4B0F0F

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

Preview Lab → · Contrast checker → · Palette generator →