#421017#421017

#421017 is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.1% C 0.077 H 16.2°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#421017
RGB	rgb(66, 16, 23)
HSL	hsl(352, 61%, 16%)
HSV	hsv(352, 76%, 26%)
CMYK	cmyk(0%, 75.8%, 65.2%, 74.1%)
CIE-LAB	lab(13.18, 24.65, 8.68)
CIE-LCH	lch(13.18, 26.13, 19.40°)
OKLab	oklab(26.11% 0.0739 0.0214)
OKLCH	oklch(26.11% 0.077 16.2)
XYZ	xyz(2.5870, 1.5910, 0.9813)
Luminance	0.0159 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421017 #10423B

analogous

#421030 #421017 #422210

triadic

#421017 #174210 #101742

tetradic

#421017 #304210 #10423B #221042

square

#421017 #304210 #10423B #221042

split-complementary

#421017 #104222 #103042

monochromatic

#190609 #190609 #421017 #731C28 #A52839

Accessibility & contrast

On white

15.93

#421017 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#421017 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421017

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421017	#FFFFFF	#000000	##FFFFFF
##421017	1.00	15.93	1.32	15.93
#FFFFFF	15.93	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1B17

Deuteranopia (green-blind)

#292616

Tritanopia (blue-blind)

#490613

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #421017;
/* rgb */ color: rgb(66, 16, 23);
/* oklch */ color: oklch(26.1% 0.077 16.2);

Tailwind

colors: {
  custom: {
    50: '#7a5253',
    500: '#421017',
    950: '#000000',
  },
}

SCSS

$custom: #421017;
$custom-light: #7a5253;
$custom-dark: #000000;

JSON

{
  "hex": "#421017",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 23
  },
  "hsl": {
    "h": 351.6,
    "s": 60.976,
    "l": 16.078
  },
  "oklch": {
    "l": 0.26111,
    "c": 0.07694,
    "h": 16.2
  },
  "luminance": 0.01591
}

Semantic roles & 50–950 ramp

primary

#421017

secondary

#327C72

accent

#E4CE44

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #421017

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

Preview Lab → · Contrast checker → · Palette generator →