#45100B#45100B

#45100B is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.5% C 0.082 H 29.1°. Best body text is #FFFFFF at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#45100B
RGB	rgb(69, 16, 11)
HSL	hsl(5, 73%, 16%)
HSV	hsv(5, 84%, 27%)
CMYK	cmyk(0%, 76.8%, 84.1%, 72.9%)
CIE-LAB	lab(13.59, 25.01, 16.36)
CIE-LCH	lch(13.59, 29.88, 33.19°)
OKLab	oklab(26.47% 0.0718 0.04)
OKLCH	oklch(26.47% 0.082 29.1)
XYZ	xyz(2.7002, 1.6604, 0.4948)
Luminance	0.0166 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45100B #0B4045

analogous

#450B23 #45100B #452D0B

triadic

#45100B #0B4510 #100B45

tetradic

#45100B #23450B #0B4045 #2D0B45

square

#45100B #23450B #0B4045 #2D0B45

split-complementary

#45100B #0B452D #0B2345

monochromatic

#1A0604 #1A0604 #45100B #7A1C13 #AF281C

Accessibility & contrast

On white

15.77

#45100B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#45100B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #45100B

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45100B	#FFFFFF	#000000	##FFFFFF
##45100B	1.00	15.77	1.33	15.77
#FFFFFF	15.77	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1B0A

Deuteranopia (green-blind)

#2C2709

Tritanopia (blue-blind)

#4D020F

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #45100b;
/* rgb */ color: rgb(69, 16, 11);
/* oklch */ color: oklch(26.5% 0.082 29.1);

Tailwind

colors: {
  custom: {
    50: '#7e524b',
    500: '#45100b',
    950: '#000000',
  },
}

SCSS

$custom: #45100b;
$custom-light: #7e524b;
$custom-dark: #000000;

JSON

{
  "hex": "#45100b",
  "rgb": {
    "r": 69,
    "g": 16,
    "b": 11
  },
  "hsl": {
    "h": 5.172,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.2647,
    "c": 0.08217,
    "h": 29.1
  },
  "luminance": 0.0166
}

Semantic roles & 50–950 ramp

primary

#45100B

secondary

#2A7A81

accent

#DFEF39

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0B0201

muted

#7C7877

Preview Lab

Preview with #45100B

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

Preview Lab → · Contrast checker → · Palette generator →