#4A101D#4A101D

#4A101D is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.9% C 0.087 H 11.8°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#4A101D
RGB	rgb(74, 16, 29)
HSL	hsl(347, 64%, 18%)
HSV	hsv(347, 78%, 29%)
CMYK	cmyk(0%, 78.4%, 60.8%, 71%)
CIE-LAB	lab(15.04, 28.19, 7.09)
CIE-LCH	lch(15.04, 29.07, 14.12°)
OKLab	oklab(27.86% 0.0853 0.0179)
OKLCH	oklch(27.86% 0.087 11.8)
XYZ	xyz(3.2314, 1.9156, 1.3617)
Luminance	0.0192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A101D #104A3D

analogous

#4A103A #4A101D #4A2010

triadic

#4A101D #1D4A10 #101D4A

tetradic

#4A101D #3A4A10 #104A3D #20104A

square

#4A101D #3A4A10 #104A3D #20104A

split-complementary

#4A101D #104A20 #103A4A

monochromatic

#19050A #19050A #4A101D #7C1B31 #AF2644

Accessibility & contrast

On white

15.18

#4A101D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#4A101D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A101D

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A101D	#FFFFFF	#000000	##FFFFFF
##4A101D	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1E1D

Deuteranopia (green-blind)

#2E2A1C

Tritanopia (blue-blind)

#520415

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4a101d;
/* rgb */ color: rgb(74, 16, 29);
/* oklch */ color: oklch(27.9% 0.087 11.8);

Tailwind

colors: {
  custom: {
    50: '#815358',
    500: '#4a101d',
    950: '#000000',
  },
}

SCSS

$custom: #4a101d;
$custom-light: #815358;
$custom-dark: #000000;

JSON

{
  "hex": "#4a101d",
  "rgb": {
    "r": 74,
    "g": 16,
    "b": 29
  },
  "hsl": {
    "h": 346.552,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27864,
    "c": 0.08711,
    "h": 11.8
  },
  "luminance": 0.01915
}

Semantic roles & 50–950 ramp

primary

#4A101D

secondary

#328472

accent

#E7C240

background

#F8F4F5

surface

#EFE7E9

border

#CAC3C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4A101D

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

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