#420F18#420F18

#420F18 is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.0% C 0.078 H 14.2°. Best body text is #FFFFFF at 15.99:1 contrast (WCAG AA passes).

Color values

HEX	#420F18
RGB	rgb(66, 15, 24)
HSL	hsl(349, 63%, 16%)
HSV	hsv(349, 77%, 26%)
CMYK	cmyk(0%, 77.3%, 63.6%, 74.1%)
CIE-LAB	lab(13.02, 25.22, 7.74)
CIE-LCH	lch(13.02, 26.38, 17.05°)
OKLab	oklab(26.01% 0.0759 0.0193)
OKLCH	oklch(26.01% 0.078 14.2)
XYZ	xyz(2.5827, 1.5662, 1.0303)
Luminance	0.0157 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420F18 #0F4239

analogous

#420F31 #420F18 #421F0F

triadic

#420F18 #18420F #0F1842

tetradic

#420F18 #31420F #0F4239 #1F0F42

square

#420F18 #31420F #0F4239 #1F0F42

split-complementary

#420F18 #0F421F #0F3142

monochromatic

#190609 #190609 #420F18 #741A2A #A6263C

Accessibility & contrast

On white

15.99

#420F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#420F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420F18

15.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420F18	#FFFFFF	#000000	##FFFFFF
##420F18	1.00	15.99	1.31	15.99
#FFFFFF	15.99	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1B18

Deuteranopia (green-blind)

#292517

Tritanopia (blue-blind)

#490513

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #420f18;
/* rgb */ color: rgb(66, 15, 24);
/* oklch */ color: oklch(26.0% 0.078 14.2);

Tailwind

colors: {
  custom: {
    50: '#7a5154',
    500: '#420f18',
    950: '#000000',
  },
}

SCSS

$custom: #420f18;
$custom-light: #7a5154;
$custom-dark: #000000;

JSON

{
  "hex": "#420f18",
  "rgb": {
    "r": 66,
    "g": 15,
    "b": 24
  },
  "hsl": {
    "h": 349.412,
    "s": 62.963,
    "l": 15.882
  },
  "oklch": {
    "l": 0.26005,
    "c": 0.07832,
    "h": 14.2
  },
  "luminance": 0.01566
}

Semantic roles & 50–950 ramp

primary

#420F18

secondary

#307C6F

accent

#E6C942

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #420F18

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

Preview Lab → · Contrast checker → · Palette generator →