#450B0B#450B0B

#450B0B is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.9% C 0.087 H 25.8°. Best body text is #FFFFFF at 16.08:1 contrast (WCAG AA passes).

Color values

HEX	#450B0B
RGB	rgb(69, 11, 11)
HSL	hsl(0, 73%, 16%)
HSV	hsv(0, 84%, 27%)
CMYK	cmyk(0%, 84.1%, 84.1%, 72.9%)
CIE-LAB	lab(12.79, 27.22, 15.29)
CIE-LCH	lch(12.79, 31.22, 29.33°)
OKLab	oklab(25.87% 0.0787 0.0381)
OKLCH	oklch(25.87% 0.087 25.8)
XYZ	xyz(2.6346, 1.5291, 0.4730)
Luminance	0.0153 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#450B0B #0B4545

analogous

#450B28 #450B0B #45280B

triadic

#450B0B #0B450B #0B0B45

tetradic

#450B0B #28450B #0B4545 #280B45

square

#450B0B #28450B #0B4545 #280B45

split-complementary

#450B0B #0B4528 #0B2845

monochromatic

#1A0404 #1A0404 #450B0B #7A1313 #AF1C1C

Accessibility & contrast

On white

16.08

#450B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#450B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #450B0B

16.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##450B0B	#FFFFFF	#000000	##FFFFFF
##450B0B	1.00	16.08	1.31	16.08
#FFFFFF	16.08	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C190A

Deuteranopia (green-blind)

#2B2609

Tritanopia (blue-blind)

#4D000C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #450b0b;
/* rgb */ color: rgb(69, 11, 11);
/* oklch */ color: oklch(25.9% 0.087 25.8);

Tailwind

colors: {
  custom: {
    50: '#7e504b',
    500: '#450b0b',
    950: '#000000',
  },
}

SCSS

$custom: #450b0b;
$custom-light: #7e504b;
$custom-dark: #000000;

JSON

{
  "hex": "#450b0b",
  "rgb": {
    "r": 69,
    "g": 11,
    "b": 11
  },
  "hsl": {
    "h": 0,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.25871,
    "c": 0.08745,
    "h": 25.8
  },
  "luminance": 0.01529
}

Semantic roles & 50–950 ramp

primary

#450B0B

secondary

#2A8181

accent

#EFEF39

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0B0201

muted

#7C7877

Preview Lab

Preview with #450B0B

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

Preview Lab → · Contrast checker → · Palette generator →