#4A101A#4A101A

#4A101A is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.8% C 0.087 H 15.1°. Best body text is #FFFFFF at 15.22:1 contrast (WCAG AA passes).

Color values

HEX	#4A101A
RGB	rgb(74, 16, 26)
HSL	hsl(350, 64%, 18%)
HSV	hsv(350, 78%, 29%)
CMYK	cmyk(0%, 78.4%, 64.9%, 71%)
CIE-LAB	lab(14.96, 27.93, 9.18)
CIE-LCH	lch(14.96, 29.40, 18.19°)
OKLab	oklab(27.78% 0.0839 0.0226)
OKLCH	oklch(27.78% 0.087 15.1)
XYZ	xyz(3.1961, 1.9015, 1.1758)
Luminance	0.0190 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A101A #104A40

analogous

#4A1037 #4A101A #4A2310

triadic

#4A101A #1A4A10 #101A4A

tetradic

#4A101A #374A10 #104A40 #23104A

square

#4A101A #374A10 #104A40 #23104A

split-complementary

#4A101A #104A23 #10374A

monochromatic

#190509 #190509 #4A101A #7C1B2C #AF263D

Accessibility & contrast

On white

15.22

#4A101A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#4A101A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A101A

15.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A101A	#FFFFFF	#000000	##FFFFFF
##4A101A	1.00	15.22	1.38	15.22
#FFFFFF	15.22	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1E1A

Deuteranopia (green-blind)

#2E2A18

Tritanopia (blue-blind)

#520314

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4a101a;
/* rgb */ color: rgb(74, 16, 26);
/* oklch */ color: oklch(27.8% 0.087 15.1);

Tailwind

colors: {
  custom: {
    50: '#815356',
    500: '#4a101a',
    950: '#000000',
  },
}

SCSS

$custom: #4a101a;
$custom-light: #815356;
$custom-dark: #000000;

JSON

{
  "hex": "#4a101a",
  "rgb": {
    "r": 74,
    "g": 16,
    "b": 26
  },
  "hsl": {
    "h": 349.655,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27783,
    "c": 0.08686,
    "h": 15.1
  },
  "luminance": 0.01901
}

Semantic roles & 50–950 ramp

primary

#4A101A

secondary

#328476

accent

#E7CB40

background

#F8F4F5

surface

#EFE7E8

border

#CAC3C4

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4A101A

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

Preview Lab → · Contrast checker → · Palette generator →