#450B0A#450B0A

#450B0A is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.9% C 0.088 H 26.6°. Best body text is #FFFFFF at 16.09:1 contrast (WCAG AA passes).

Color values

HEX	#450B0A
RGB	rgb(69, 11, 10)
HSL	hsl(1, 75%, 15%)
HSV	hsv(1, 86%, 27%)
CMYK	cmyk(0%, 84.1%, 85.5%, 72.9%)
CIE-LAB	lab(12.78, 27.17, 15.69)
CIE-LCH	lch(12.78, 31.37, 30.00°)
OKLab	oklab(25.86% 0.0783 0.0392)
OKLCH	oklch(25.86% 0.088 26.6)
XYZ	xyz(2.6290, 1.5269, 0.4434)
Luminance	0.0153 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#450B0A #0A4445

analogous

#450A26 #450B0A #45280A

triadic

#450B0A #0A450B #0B0A45

tetradic

#450B0A #26450A #0A4445 #280A45

square

#450B0A #26450A #0A4445 #280A45

split-complementary

#450B0A #0A4528 #0A2645

monochromatic

#1B0404 #1B0404 #450B0A #7A1412 #B01C19

Accessibility & contrast

On white

16.09

#450B0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#450B0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #450B0A

16.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##450B0A	#FFFFFF	#000000	##FFFFFF
##450B0A	1.00	16.09	1.31	16.09
#FFFFFF	16.09	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1909

Deuteranopia (green-blind)

#2B2608

Tritanopia (blue-blind)

#4D000C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #450b0a;
/* rgb */ color: rgb(69, 11, 10);
/* oklch */ color: oklch(25.9% 0.088 26.6);

Tailwind

colors: {
  custom: {
    50: '#7e504b',
    500: '#450b0a',
    950: '#000000',
  },
}

SCSS

$custom: #450b0a;
$custom-light: #7e504b;
$custom-dark: #000000;

JSON

{
  "hex": "#450b0a",
  "rgb": {
    "r": 69,
    "g": 11,
    "b": 10
  },
  "hsl": {
    "h": 1.017,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25856,
    "c": 0.0876,
    "h": 26.6
  },
  "luminance": 0.01526
}

Semantic roles & 50–950 ramp

primary

#450B0A

secondary

#298182

accent

#EEF136

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0B0201

muted

#7C7877

Preview Lab

Preview with #450B0A

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

Preview Lab → · Contrast checker → · Palette generator →