#4A101C#4A101C

#4A101C is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.8% C 0.087 H 12.9°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#4A101C
RGB	rgb(74, 16, 28)
HSL	hsl(348, 64%, 18%)
HSV	hsv(348, 78%, 29%)
CMYK	cmyk(0%, 78.4%, 62.2%, 71%)
CIE-LAB	lab(15.01, 28.10, 7.78)
CIE-LCH	lch(15.01, 29.16, 15.48°)
OKLab	oklab(27.84% 0.0848 0.0195)
OKLCH	oklch(27.84% 0.087 12.9)
XYZ	xyz(3.2192, 1.9107, 1.2977)
Luminance	0.0191 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A101C #104A3E

analogous

#4A1039 #4A101C #4A2110

triadic

#4A101C #1C4A10 #101C4A

tetradic

#4A101C #394A10 #104A3E #21104A

square

#4A101C #394A10 #104A3E #21104A

split-complementary

#4A101C #104A21 #10394A

monochromatic

#19050A #19050A #4A101C #7C1B2F #AF2642

Accessibility & contrast

On white

15.20

#4A101C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#4A101C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A101C

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A101C	#FFFFFF	#000000	##FFFFFF
##4A101C	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)

#1F1E1C

Deuteranopia (green-blind)

#2E2A1B

Tritanopia (blue-blind)

#520415

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4a101c;
/* rgb */ color: rgb(74, 16, 28);
/* oklch */ color: oklch(27.8% 0.087 12.9);

Tailwind

colors: {
  custom: {
    50: '#815357',
    500: '#4a101c',
    950: '#000000',
  },
}

SCSS

$custom: #4a101c;
$custom-light: #815357;
$custom-dark: #000000;

JSON

{
  "hex": "#4a101c",
  "rgb": {
    "r": 74,
    "g": 16,
    "b": 28
  },
  "hsl": {
    "h": 347.586,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27836,
    "c": 0.08699,
    "h": 12.9
  },
  "luminance": 0.0191
}

Semantic roles & 50–950 ramp

primary

#4A101C

secondary

#328473

accent

#E7C540

background

#F8F4F5

surface

#EFE7E9

border

#CAC3C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4A101C

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

Preview Lab → · Contrast checker → · Palette generator →