#420505#420505

#420505 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.5% C 0.091 H 27.3°. Best body text is #FFFFFF at 16.73:1 contrast (WCAG AA passes).

Color values

HEX	#420505
RGB	rgb(66, 5, 5)
HSL	hsl(0, 86%, 14%)
HSV	hsv(0, 92%, 26%)
CMYK	cmyk(0%, 92.4%, 92.4%, 74.1%)
CIE-LAB	lab(11.12, 28.32, 15.35)
CIE-LCH	lch(11.12, 32.21, 28.46°)
OKLab	oklab(24.48% 0.0809 0.0417)
OKLCH	oklch(24.48% 0.091 27.3)
XYZ	xyz(2.3287, 1.2781, 0.2676)
Luminance	0.0128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420505 #054242

analogous

#420524 #420505 #422405

triadic

#420505 #054205 #050542

tetradic

#420505 #244205 #054242 #240542

square

#420505 #244205 #054242 #240542

split-complementary

#420505 #054224 #052442

monochromatic

#1C0202 #1C0202 #420505 #7B0909 #B40E0E

Accessibility & contrast

On white

16.73

#420505 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#420505 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420505

16.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420505	#FFFFFF	#000000	##FFFFFF
##420505	1.00	16.73	1.26	16.73
#FFFFFF	16.73	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191504

Deuteranopia (green-blind)

#282203

Tritanopia (blue-blind)

#4A0006

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #420505;
/* rgb */ color: rgb(66, 5, 5);
/* oklch */ color: oklch(24.5% 0.091 27.3);

Tailwind

colors: {
  custom: {
    50: '#7c4c49',
    500: '#420505',
    950: '#000000',
  },
}

SCSS

$custom: #420505;
$custom-light: #7c4c49;
$custom-dark: #000000;

JSON

{
  "hex": "#420505",
  "rgb": {
    "r": 66,
    "g": 5,
    "b": 5
  },
  "hsl": {
    "h": 0,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24476,
    "c": 0.09101,
    "h": 27.3
  },
  "luminance": 0.01278
}

Semantic roles & 50–950 ramp

primary

#420505

secondary

#208282

accent

#FCFC2C

background

#F8F4F4

surface

#EFE7E6

border

#CAC3C2

text

#0B0100

muted

#7C7777

Preview Lab

Preview with #420505

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

Preview Lab → · Contrast checker → · Palette generator →