#420B07#420B07

#420B07 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.2% C 0.085 H 29.0°. Best body text is #FFFFFF at 16.37:1 contrast (WCAG AA passes).

Color values

HEX	#420B07
RGB	rgb(66, 11, 7)
HSL	hsl(4, 81%, 14%)
HSV	hsv(4, 89%, 26%)
CMYK	cmyk(0%, 83.3%, 89.4%, 74.1%)
CIE-LAB	lab(12.05, 25.90, 15.80)
CIE-LCH	lch(12.05, 30.34, 31.39°)
OKLab	oklab(25.17% 0.074 0.041)
OKLCH	oklch(25.17% 0.085 29)
XYZ	xyz(2.4051, 1.4133, 0.3471)
Luminance	0.0141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420B07 #073E42

analogous

#420721 #420B07 #422907

triadic

#420B07 #07420B #0B0742

tetradic

#420B07 #214207 #073E42 #290742

square

#420B07 #214207 #073E42 #290742

split-complementary

#420B07 #074229 #072142

monochromatic

#1C0503 #1C0503 #420B07 #79140D #B11D13

Accessibility & contrast

On white

16.37

#420B07 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#420B07 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420B07

16.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420B07	#FFFFFF	#000000	##FFFFFF
##420B07	1.00	16.37	1.28	16.37
#FFFFFF	16.37	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1806

Deuteranopia (green-blind)

#292405

Tritanopia (blue-blind)

#4A000B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #420b07;
/* rgb */ color: rgb(66, 11, 7);
/* oklch */ color: oklch(25.2% 0.085 29.0);

Tailwind

colors: {
  custom: {
    50: '#7c4f49',
    500: '#420b07',
    950: '#000000',
  },
}

SCSS

$custom: #420b07;
$custom-light: #7c4f49;
$custom-dark: #000000;

JSON

{
  "hex": "#420b07",
  "rgb": {
    "r": 66,
    "g": 11,
    "b": 7
  },
  "hsl": {
    "h": 4.068,
    "s": 80.822,
    "l": 14.314
  },
  "oklch": {
    "l": 0.25173,
    "c": 0.08457,
    "h": 29
  },
  "luminance": 0.01413
}

Semantic roles & 50–950 ramp

primary

#420B07

secondary

#247B81

accent

#EAF731

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420B07

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

Preview Lab → · Contrast checker → · Palette generator →