#551017#551017

#551017 is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.9% C 0.100 H 20.4°. Best body text is #FFFFFF at 14.26:1 contrast (WCAG AA passes).

Color values

HEX	#551017
RGB	rgb(85, 16, 23)
HSL	hsl(354, 68%, 20%)
HSV	hsv(354, 81%, 33%)
CMYK	cmyk(0%, 81.2%, 72.9%, 66.7%)
CIE-LAB	lab(17.29, 31.66, 14.81)
CIE-LCH	lch(17.29, 34.95, 25.07°)
OKLab	oklab(29.93% 0.0935 0.0349)
OKLCH	oklch(29.93% 0.1 20.4)
XYZ	xyz(4.0867, 2.3644, 1.0516)
Luminance	0.0236 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551017 #10554E

analogous

#55103A #551017 #552C10

triadic

#551017 #175510 #101755

tetradic

#551017 #3A5510 #10554E #2C1055

square

#551017 #3A5510 #10554E #2C1055

split-complementary

#551017 #10552C #103A55

monochromatic

#1A0507 #210609 #551017 #891A25 #BC2333

Accessibility & contrast

On white

14.26

#551017 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#551017 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551017

14.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551017	#FFFFFF	#000000	##FFFFFF
##551017	1.00	14.26	1.47	14.26
#FFFFFF	14.26	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242117

Deuteranopia (green-blind)

#353015

Tritanopia (blue-blind)

#5E0013

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #551017;
/* rgb */ color: rgb(85, 16, 23);
/* oklch */ color: oklch(29.9% 0.100 20.4);

Tailwind

colors: {
  custom: {
    50: '#8b5553',
    500: '#551017',
    950: '#000000',
  },
}

SCSS

$custom: #551017;
$custom-light: #8b5553;
$custom-dark: #000000;

JSON

{
  "hex": "#551017",
  "rgb": {
    "r": 85,
    "g": 16,
    "b": 23
  },
  "hsl": {
    "h": 353.913,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.29932,
    "c": 0.09975,
    "h": 20.4
  },
  "luminance": 0.02364
}

Semantic roles & 50–950 ramp

primary

#551017

secondary

#328F85

accent

#EBD93D

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0302

muted

#7E7878

Preview Lab

Preview with #551017

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

Preview Lab → · Contrast checker → · Palette generator →