#420F09#420F09

#420F09 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.7% C 0.080 H 30.1°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#420F09
RGB	rgb(66, 15, 9)
HSL	hsl(6, 76%, 15%)
HSV	hsv(6, 86%, 26%)
CMYK	cmyk(0%, 77.3%, 86.4%, 74.1%)
CIE-LAB	lab(12.73, 24.19, 15.92)
CIE-LCH	lch(12.73, 28.96, 33.35°)
OKLab	oklab(25.7% 0.0691 0.0401)
OKLCH	oklch(25.7% 0.08 30.1)
XYZ	xyz(2.4672, 1.5200, 0.4219)
Luminance	0.0152 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420F09 #093C42

analogous

#420920 #420F09 #422C09

triadic

#420F09 #09420F #0F0942

tetradic

#420F09 #204209 #093C42 #2C0942

square

#420F09 #204209 #093C42 #2C0942

split-complementary

#420F09 #09422C #092042

monochromatic

#1B0604 #1B0604 #420F09 #781B10 #AE2718

Accessibility & contrast

On white

16.10

#420F09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#420F09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420F09

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420F09	#FFFFFF	#000000	##FFFFFF
##420F09	1.00	16.10	1.30	16.10
#FFFFFF	16.10	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A08

Deuteranopia (green-blind)

#2A2507

Tritanopia (blue-blind)

#49020E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #420f09;
/* rgb */ color: rgb(66, 15, 9);
/* oklch */ color: oklch(25.7% 0.080 30.1);

Tailwind

colors: {
  custom: {
    50: '#7b514a',
    500: '#420f09',
    950: '#000000',
  },
}

SCSS

$custom: #420f09;
$custom-light: #7b514a;
$custom-dark: #000000;

JSON

{
  "hex": "#420f09",
  "rgb": {
    "r": 66,
    "g": 15,
    "b": 9
  },
  "hsl": {
    "h": 6.316,
    "s": 76,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25697,
    "c": 0.07993,
    "h": 30.1
  },
  "luminance": 0.0152
}

Semantic roles & 50–950 ramp

primary

#420F09

secondary

#277680

accent

#DFF335

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420F09

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

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