#4A101B#4A101B

#4A101B is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.8% C 0.087 H 14.0°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#4A101B
RGB	rgb(74, 16, 27)
HSL	hsl(349, 64%, 18%)
HSV	hsv(349, 78%, 29%)
CMYK	cmyk(0%, 78.4%, 63.5%, 71%)
CIE-LAB	lab(14.99, 28.02, 8.48)
CIE-LCH	lch(14.99, 29.27, 16.84°)
OKLab	oklab(27.81% 0.0843 0.0211)
OKLCH	oklch(27.81% 0.087 14)
XYZ	xyz(3.2075, 1.9060, 1.2357)
Luminance	0.0191 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A101B #104A3F

analogous

#4A1038 #4A101B #4A2210

triadic

#4A101B #1B4A10 #101B4A

tetradic

#4A101B #384A10 #104A3F #22104A

square

#4A101B #384A10 #104A3F #22104A

split-complementary

#4A101B #104A22 #10384A

monochromatic

#190509 #190509 #4A101B #7C1B2D #AF2640

Accessibility & contrast

On white

15.20

#4A101B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#4A101B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A101B

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A101B	#FFFFFF	#000000	##FFFFFF
##4A101B	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1E1B

Deuteranopia (green-blind)

#2E2A1A

Tritanopia (blue-blind)

#520414

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4a101b;
/* rgb */ color: rgb(74, 16, 27);
/* oklch */ color: oklch(27.8% 0.087 14.0);

Tailwind

colors: {
  custom: {
    50: '#815357',
    500: '#4a101b',
    950: '#000000',
  },
}

SCSS

$custom: #4a101b;
$custom-light: #815357;
$custom-dark: #000000;

JSON

{
  "hex": "#4a101b",
  "rgb": {
    "r": 74,
    "g": 16,
    "b": 27
  },
  "hsl": {
    "h": 348.621,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27809,
    "c": 0.08692,
    "h": 14
  },
  "luminance": 0.01906
}

Semantic roles & 50–950 ramp

primary

#4A101B

secondary

#328474

accent

#E7C840

background

#F8F4F5

surface

#EFE7E9

border

#CAC3C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4A101B

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

Preview Lab → · Contrast checker → · Palette generator →