#4A100C#4A100C

#4A100C is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.5% C 0.088 H 28.3°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#4A100C
RGB	rgb(74, 16, 12)
HSL	hsl(4, 72%, 17%)
HSV	hsv(4, 84%, 29%)
CMYK	cmyk(0%, 78.4%, 83.8%, 71%)
CIE-LAB	lab(14.70, 27.02, 17.57)
CIE-LCH	lch(14.70, 32.23, 33.03°)
OKLab	oklab(27.5% 0.0776 0.0417)
OKLCH	oklch(27.5% 0.088 28.3)
XYZ	xyz(3.0760, 1.8534, 0.5435)
Luminance	0.0185 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A100C #0C464A

analogous

#4A0C27 #4A100C #4A2F0C

triadic

#4A100C #0C4A10 #100C4A

tetradic

#4A100C #274A0C #0C464A #2F0C4A

square

#4A100C #274A0C #0C464A #2F0C4A

split-complementary

#4A100C #0C4A2F #0C274A

monochromatic

#1A0604 #1A0604 #4A100C #7F1B15 #B3271D

Accessibility & contrast

On white

15.32

#4A100C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#4A100C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A100C

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A100C	#FFFFFF	#000000	##FFFFFF
##4A100C	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211D0B

Deuteranopia (green-blind)

#2F2A0A

Tritanopia (blue-blind)

#520010

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #4a100c;
/* rgb */ color: rgb(74, 16, 12);
/* oklch */ color: oklch(27.5% 0.088 28.3);

Tailwind

colors: {
  custom: {
    50: '#82534c',
    500: '#4a100c',
    950: '#000000',
  },
}

SCSS

$custom: #4a100c;
$custom-light: #82534c;
$custom-dark: #000000;

JSON

{
  "hex": "#4a100c",
  "rgb": {
    "r": 74,
    "g": 16,
    "b": 12
  },
  "hsl": {
    "h": 3.871,
    "s": 72.093,
    "l": 16.863
  },
  "oklch": {
    "l": 0.27502,
    "c": 0.08815,
    "h": 28.3
  },
  "luminance": 0.01853
}

Semantic roles & 50–950 ramp

primary

#4A100C

secondary

#2C8086

accent

#E3EF39

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0B0201

muted

#7C7877

Preview Lab

Preview with #4A100C

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

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