#4A100F#4A100F

#4A100F is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.5% C 0.088 H 25.8°. Best body text is #FFFFFF at 15.30:1 contrast (WCAG AA passes).

Color values

HEX	#4A100F
RGB	rgb(74, 16, 15)
HSL	hsl(1, 66%, 17%)
HSV	hsv(1, 80%, 29%)
CMYK	cmyk(0%, 78.4%, 79.7%, 71%)
CIE-LAB	lab(14.74, 27.17, 16.15)
CIE-LCH	lch(14.74, 31.61, 30.72°)
OKLab	oklab(27.55% 0.0789 0.0382)
OKLCH	oklch(27.55% 0.088 25.8)
XYZ	xyz(3.0959, 1.8614, 0.6481)
Luminance	0.0186 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A100F #0F494A

analogous

#4A0F2C #4A100F #4A2E0F

triadic

#4A100F #0F4A10 #100F4A

tetradic

#4A100F #2C4A0F #0F494A #2E0F4A

square

#4A100F #2C4A0F #0F494A #2E0F4A

split-complementary

#4A100F #0F4A2E #0F2C4A

monochromatic

#190605 #190605 #4A100F #7D1B19 #B02624

Accessibility & contrast

On white

15.30

#4A100F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#4A100F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A100F

15.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A100F	#FFFFFF	#000000	##FFFFFF
##4A100F	1.00	15.30	1.37	15.30
#FFFFFF	15.30	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211D0E

Deuteranopia (green-blind)

#2F2A0D

Tritanopia (blue-blind)

#520110

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #4a100f;
/* rgb */ color: rgb(74, 16, 15);
/* oklch */ color: oklch(27.5% 0.088 25.8);

Tailwind

colors: {
  custom: {
    50: '#82534d',
    500: '#4a100f',
    950: '#000000',
  },
}

SCSS

$custom: #4a100f;
$custom-light: #82534d;
$custom-dark: #000000;

JSON

{
  "hex": "#4a100f",
  "rgb": {
    "r": 74,
    "g": 16,
    "b": 15
  },
  "hsl": {
    "h": 1.017,
    "s": 66.292,
    "l": 17.451
  },
  "oklch": {
    "l": 0.27549,
    "c": 0.08764,
    "h": 25.8
  },
  "luminance": 0.01861
}

Semantic roles & 50–950 ramp

primary

#4A100F

secondary

#308384

accent

#E6E93F

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0B0201

muted

#7C7877

Preview Lab

Preview with #4A100F

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

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