#420C18#420C18

#420C18 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.6% C 0.082 H 12.4°. Best body text is #FFFFFF at 16.19:1 contrast (WCAG AA passes).

Color values

HEX	#420C18
RGB	rgb(66, 12, 24)
HSL	hsl(347, 69%, 15%)
HSV	hsv(347, 82%, 26%)
CMYK	cmyk(0%, 81.8%, 63.6%, 74.1%)
CIE-LAB	lab(12.53, 26.58, 7.06)
CIE-LCH	lch(12.53, 27.51, 14.88°)
OKLab	oklab(25.64% 0.0803 0.0177)
OKLCH	oklch(25.64% 0.082 12.4)
XYZ	xyz(2.5433, 1.4875, 1.0172)
Luminance	0.0149 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420C18 #0C4236

analogous

#420C33 #420C18 #421B0C

triadic

#420C18 #18420C #0C1842

tetradic

#420C18 #33420C #0C4236 #1B0C42

square

#420C18 #33420C #0C4236 #1B0C42

split-complementary

#420C18 #0C421B #0C3342

monochromatic

#1A0509 #1A0509 #420C18 #76152B #AA1F3E

Accessibility & contrast

On white

16.19

#420C18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#420C18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420C18

16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420C18	#FFFFFF	#000000	##FFFFFF
##420C18	1.00	16.19	1.30	16.19
#FFFFFF	16.19	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1A18

Deuteranopia (green-blind)

#282517

Tritanopia (blue-blind)

#490211

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #420c18;
/* rgb */ color: rgb(66, 12, 24);
/* oklch */ color: oklch(25.6% 0.082 12.4);

Tailwind

colors: {
  custom: {
    50: '#7b5054',
    500: '#420c18',
    950: '#000000',
  },
}

SCSS

$custom: #420c18;
$custom-light: #7b5054;
$custom-dark: #000000;

JSON

{
  "hex": "#420c18",
  "rgb": {
    "r": 66,
    "g": 12,
    "b": 24
  },
  "hsl": {
    "h": 346.667,
    "s": 69.231,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25638,
    "c": 0.0822,
    "h": 12.4
  },
  "luminance": 0.01487
}

Semantic roles & 50–950 ramp

primary

#420C18

secondary

#2C7E6C

accent

#ECC53C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #420C18

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

Preview Lab → · Contrast checker → · Palette generator →