#421018#421018

#421018 is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.1% C 0.077 H 14.9°. Best body text is #FFFFFF at 15.92:1 contrast (WCAG AA passes).

Color values

HEX	#421018
RGB	rgb(66, 16, 24)
HSL	hsl(350, 61%, 16%)
HSV	hsv(350, 76%, 26%)
CMYK	cmyk(0%, 75.8%, 63.6%, 74.1%)
CIE-LAB	lab(13.20, 24.74, 7.98)
CIE-LCH	lch(13.20, 25.99, 17.87°)
OKLab	oklab(26.14% 0.0744 0.0198)
OKLCH	oklch(26.14% 0.077 14.9)
XYZ	xyz(2.5972, 1.5951, 1.0351)
Luminance	0.0159 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421018 #10423A

analogous

#421031 #421018 #422110

triadic

#421018 #184210 #101842

tetradic

#421018 #314210 #10423A #211042

square

#421018 #314210 #10423A #211042

split-complementary

#421018 #104221 #103142

monochromatic

#190609 #190609 #421018 #731C2A #A5283C

Accessibility & contrast

On white

15.92

#421018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#421018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421018

15.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421018	#FFFFFF	#000000	##FFFFFF
##421018	1.00	15.92	1.32	15.92
#FFFFFF	15.92	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1B18

Deuteranopia (green-blind)

#292617

Tritanopia (blue-blind)

#490613

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #421018;
/* rgb */ color: rgb(66, 16, 24);
/* oklch */ color: oklch(26.1% 0.077 14.9);

Tailwind

colors: {
  custom: {
    50: '#7a5254',
    500: '#421018',
    950: '#000000',
  },
}

SCSS

$custom: #421018;
$custom-light: #7a5254;
$custom-dark: #000000;

JSON

{
  "hex": "#421018",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 24
  },
  "hsl": {
    "h": 350.4,
    "s": 60.976,
    "l": 16.078
  },
  "oklch": {
    "l": 0.26138,
    "c": 0.07697,
    "h": 14.9
  },
  "luminance": 0.01595
}

Semantic roles & 50–950 ramp

primary

#421018

secondary

#327C70

accent

#E4CA44

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #421018

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

Preview Lab → · Contrast checker → · Palette generator →