#45100C#45100C

#45100C is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.5% C 0.082 H 28.3°. Best body text is #FFFFFF at 15.76:1 contrast (WCAG AA passes).

Color values

HEX	#45100C
RGB	rgb(69, 16, 12)
HSL	hsl(4, 70%, 16%)
HSV	hsv(4, 83%, 27%)
CMYK	cmyk(0%, 76.8%, 82.6%, 72.9%)
CIE-LAB	lab(13.61, 25.06, 15.93)
CIE-LCH	lch(13.61, 29.70, 32.45°)
OKLab	oklab(26.48% 0.0722 0.0388)
OKLCH	oklch(26.48% 0.082 28.3)
XYZ	xyz(2.7062, 1.6627, 0.5262)
Luminance	0.0166 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45100C #0C4145

analogous

#450C24 #45100C #452C0C

triadic

#45100C #0C4510 #100C45

tetradic

#45100C #24450C #0C4145 #2C0C45

square

#45100C #24450C #0C4145 #2C0C45

split-complementary

#45100C #0C452C #0C2445

monochromatic

#1A0605 #1A0605 #45100C #791C15 #AD281E

Accessibility & contrast

On white

15.76

#45100C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#45100C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #45100C

15.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45100C	#FFFFFF	#000000	##FFFFFF
##45100C	1.00	15.76	1.33	15.76
#FFFFFF	15.76	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1B0B

Deuteranopia (green-blind)

#2C270A

Tritanopia (blue-blind)

#4D0210

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #45100c;
/* rgb */ color: rgb(69, 16, 12);
/* oklch */ color: oklch(26.5% 0.082 28.3);

Tailwind

colors: {
  custom: {
    50: '#7e524c',
    500: '#45100c',
    950: '#000000',
  },
}

SCSS

$custom: #45100c;
$custom-light: #7e524c;
$custom-dark: #000000;

JSON

{
  "hex": "#45100c",
  "rgb": {
    "r": 69,
    "g": 16,
    "b": 12
  },
  "hsl": {
    "h": 4.211,
    "s": 70.37,
    "l": 15.882
  },
  "oklch": {
    "l": 0.26485,
    "c": 0.08197,
    "h": 28.3
  },
  "luminance": 0.01662
}

Semantic roles & 50–950 ramp

primary

#45100C

secondary

#2C7B81

accent

#E1ED3B

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0B0201

muted

#7C7877

Preview Lab

Preview with #45100C

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

Preview Lab → · Contrast checker → · Palette generator →