#420E1B#420E1B

#420E1B is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.0% C 0.080 H 9.9°. Best body text is #FFFFFF at 16.03:1 contrast (WCAG AA passes).

Color values

HEX	#420E1B
RGB	rgb(66, 14, 27)
HSL	hsl(345, 65%, 16%)
HSV	hsv(345, 79%, 26%)
CMYK	cmyk(0%, 78.8%, 59.1%, 74.1%)
CIE-LAB	lab(12.93, 25.98, 5.39)
CIE-LCH	lch(12.93, 26.53, 11.72°)
OKLab	oklab(25.97% 0.0788 0.0138)
OKLCH	oklch(25.97% 0.08 9.9)
XYZ	xyz(2.6019, 1.5518, 1.1992)
Luminance	0.0155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420E1B #0E4235

analogous

#420E35 #420E1B #421B0E

triadic

#420E1B #1B420E #0E1B42

tetradic

#420E1B #35420E #0E4235 #1B0E42

square

#420E1B #35420E #0E4235 #1B0E42

split-complementary

#420E1B #0E421B #0E3542

monochromatic

#19050A #19050A #420E1B #741930 #A72344

Accessibility & contrast

On white

16.03

#420E1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#420E1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420E1B

16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420E1B	#FFFFFF	#000000	##FFFFFF
##420E1B	1.00	16.03	1.31	16.03
#FFFFFF	16.03	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1B1B

Deuteranopia (green-blind)

#28251A

Tritanopia (blue-blind)

#490513

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #420e1b;
/* rgb */ color: rgb(66, 14, 27);
/* oklch */ color: oklch(26.0% 0.080 9.9);

Tailwind

colors: {
  custom: {
    50: '#7a5157',
    500: '#420e1b',
    950: '#000000',
  },
}

SCSS

$custom: #420e1b;
$custom-light: #7a5157;
$custom-dark: #000000;

JSON

{
  "hex": "#420e1b",
  "rgb": {
    "r": 66,
    "g": 14,
    "b": 27
  },
  "hsl": {
    "h": 345,
    "s": 65,
    "l": 15.686
  },
  "oklch": {
    "l": 0.25966,
    "c": 0.08002,
    "h": 9.9
  },
  "luminance": 0.01551
}

Semantic roles & 50–950 ramp

primary

#420E1B

secondary

#2F7D69

accent

#E8BE40

background

#F7F4F5

surface

#EEE7E9

border

#C9C3C5

text

#0A0203

muted

#7C7878

Preview Lab

Preview with #420E1B

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

Preview Lab → · Contrast checker → · Palette generator →