#420506#420506

#420506 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.5% C 0.091 H 26.4°. Best body text is #FFFFFF at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#420506
RGB	rgb(66, 5, 6)
HSL	hsl(359, 86%, 14%)
HSV	hsv(359, 92%, 26%)
CMYK	cmyk(0%, 92.4%, 90.9%, 74.1%)
CIE-LAB	lab(11.14, 28.36, 14.96)
CIE-LCH	lch(11.14, 32.07, 27.81°)
OKLab	oklab(24.49% 0.0814 0.0404)
OKLCH	oklch(24.49% 0.091 26.4)
XYZ	xyz(2.3342, 1.2803, 0.2965)
Luminance	0.0128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420506 #054241

analogous

#420525 #420506 #422305

triadic

#420506 #064205 #050642

tetradic

#420506 #254205 #054241 #230542

square

#420506 #254205 #054241 #230542

split-complementary

#420506 #054223 #052542

monochromatic

#1C0203 #1C0203 #420506 #7B090B #B40E10

Accessibility & contrast

On white

16.72

#420506 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#420506 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420506

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420506	#FFFFFF	#000000	##FFFFFF
##420506	1.00	16.72	1.26	16.72
#FFFFFF	16.72	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191505

Deuteranopia (green-blind)

#282204

Tritanopia (blue-blind)

#4A0006

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #420506;
/* rgb */ color: rgb(66, 5, 6);
/* oklch */ color: oklch(24.5% 0.091 26.4);

Tailwind

colors: {
  custom: {
    50: '#7c4c49',
    500: '#420506',
    950: '#000000',
  },
}

SCSS

$custom: #420506;
$custom-light: #7c4c49;
$custom-dark: #000000;

JSON

{
  "hex": "#420506",
  "rgb": {
    "r": 66,
    "g": 5,
    "b": 6
  },
  "hsl": {
    "h": 359.016,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24492,
    "c": 0.09083,
    "h": 26.4
  },
  "luminance": 0.0128
}

Semantic roles & 50–950 ramp

primary

#420506

secondary

#208281

accent

#FCF92C

background

#F8F4F4

surface

#EFE7E6

border

#CAC3C2

text

#0B0100

muted

#7C7777

Preview Lab

Preview with #420506

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

Preview Lab → · Contrast checker → · Palette generator →