#451B18#451B18

#451B18 is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.4% C 0.066 H 26.2°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#451B18
RGB	rgb(69, 27, 24)
HSL	hsl(4, 48%, 18%)
HSV	hsv(4, 65%, 27%)
CMYK	cmyk(0%, 60.9%, 65.2%, 72.9%)
CIE-LAB	lab(16.08, 19.93, 11.90)
CIE-LCH	lch(16.08, 23.21, 30.84°)
OKLab	oklab(28.42% 0.0588 0.0289)
OKLCH	oklch(28.42% 0.066 26.2)
XYZ	xyz(3.0113, 2.1154, 1.1137)
Luminance	0.0211 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B18 #184245

analogous

#45182B #451B18 #453118

triadic

#451B18 #18451B #1B1845

tetradic

#451B18 #2B4518 #184245 #311845

square

#451B18 #2B4518 #184245 #311845

split-complementary

#451B18 #184531 #182B45

monochromatic

#170908 #180908 #451B18 #722D28 #A03F38

Accessibility & contrast

On white

14.76

#451B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#451B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B18

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B18	#FFFFFF	#000000	##FFFFFF
##451B18	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252218

Deuteranopia (green-blind)

#302B17

Tritanopia (blue-blind)

#4C141A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #451b18;
/* rgb */ color: rgb(69, 27, 24);
/* oklch */ color: oklch(28.4% 0.066 26.2);

Tailwind

colors: {
  custom: {
    50: '#7c5954',
    500: '#451b18',
    950: '#000000',
  },
}

SCSS

$custom: #451b18;
$custom-light: #7c5954;
$custom-dark: #000000;

JSON

{
  "hex": "#451b18",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 24
  },
  "hsl": {
    "h": 4,
    "s": 48.387,
    "l": 18.235
  },
  "oklch": {
    "l": 0.28418,
    "c": 0.06555,
    "h": 26.2
  },
  "luminance": 0.02115
}

Semantic roles & 50–950 ramp

primary

#451B18

secondary

#3D787C

accent

#CFD850

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#0A0302

muted

#7C7878

Preview Lab

Preview with #451B18

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

Preview Lab → · Contrast checker → · Palette generator →