#420509#420509

#420509 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.5% C 0.090 H 23.8°. Best body text is #FFFFFF at 16.70:1 contrast (WCAG AA passes).

Color values

HEX	#420509
RGB	rgb(66, 5, 9)
HSL	hsl(356, 86%, 14%)
HSV	hsv(356, 92%, 26%)
CMYK	cmyk(0%, 92.4%, 86.4%, 74.1%)
CIE-LAB	lab(11.18, 28.50, 13.80)
CIE-LCH	lch(11.18, 31.67, 25.84°)
OKLab	oklab(24.54% 0.0827 0.0365)
OKLCH	oklch(24.54% 0.09 23.8)
XYZ	xyz(2.3506, 1.2869, 0.3830)
Luminance	0.0129 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420509 #05423E

analogous

#420528 #420509 #422005

triadic

#420509 #094205 #050942

tetradic

#420509 #284205 #05423E #200542

square

#420509 #284205 #05423E #200542

split-complementary

#420509 #054220 #052842

monochromatic

#1C0204 #1C0204 #420509 #7B0911 #B40E19

Accessibility & contrast

On white

16.70

#420509 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#420509 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420509

16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420509	#FFFFFF	#000000	##FFFFFF
##420509	1.00	16.70	1.26	16.70
#FFFFFF	16.70	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181509

Deuteranopia (green-blind)

#272307

Tritanopia (blue-blind)

#4A0007

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #420509;
/* rgb */ color: rgb(66, 5, 9);
/* oklch */ color: oklch(24.5% 0.090 23.8);

Tailwind

colors: {
  custom: {
    50: '#7c4c4a',
    500: '#420509',
    950: '#000000',
  },
}

SCSS

$custom: #420509;
$custom-light: #7c4c4a;
$custom-dark: #000000;

JSON

{
  "hex": "#420509",
  "rgb": {
    "r": 66,
    "g": 5,
    "b": 9
  },
  "hsl": {
    "h": 356.066,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24542,
    "c": 0.09042,
    "h": 23.8
  },
  "luminance": 0.01287
}

Semantic roles & 50–950 ramp

primary

#420509

secondary

#20827C

accent

#FCEE2C

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #420509

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

Preview Lab → · Contrast checker → · Palette generator →