#420511#420511

#420511 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.7% C 0.090 H 16.5°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#420511
RGB	rgb(66, 5, 17)
HSL	hsl(348, 86%, 14%)
HSV	hsv(348, 92%, 26%)
CMYK	cmyk(0%, 92.4%, 74.2%, 74.1%)
CIE-LAB	lab(11.33, 28.94, 10.15)
CIE-LCH	lch(11.33, 30.67, 19.32°)
OKLab	oklab(24.7% 0.0863 0.0256)
OKLCH	oklch(24.7% 0.09 16.5)
XYZ	xyz(2.4025, 1.3076, 0.6561)
Luminance	0.0131 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420511 #054236

analogous

#420530 #420511 #421805

triadic

#420511 #114205 #051142

tetradic

#420511 #304205 #054236 #180542

square

#420511 #304205 #054236 #180542

split-complementary

#420511 #054218 #053042

monochromatic

#1C0207 #1C0207 #420511 #7B0920 #B40E2E

Accessibility & contrast

On white

16.65

#420511 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#420511 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420511

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420511	#FFFFFF	#000000	##FFFFFF
##420511	1.00	16.65	1.26	16.65
#FFFFFF	16.65	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171611

Deuteranopia (green-blind)

#27230F

Tritanopia (blue-blind)

#49000A

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #420511;
/* rgb */ color: rgb(66, 5, 17);
/* oklch */ color: oklch(24.7% 0.090 16.5);

Tailwind

colors: {
  custom: {
    50: '#7c4c4f',
    500: '#420511',
    950: '#000000',
  },
}

SCSS

$custom: #420511;
$custom-light: #7c4c4f;
$custom-dark: #000000;

JSON

{
  "hex": "#420511",
  "rgb": {
    "r": 66,
    "g": 5,
    "b": 17
  },
  "hsl": {
    "h": 348.197,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24695,
    "c": 0.09002,
    "h": 16.5
  },
  "luminance": 0.01307
}

Semantic roles & 50–950 ramp

primary

#420511

secondary

#20826F

accent

#FCD32C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #420511

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

Preview Lab → · Contrast checker → · Palette generator →