#551523#551523

#551523 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.8% C 0.094 H 11.8°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#551523
RGB	rgb(85, 21, 35)
HSL	hsl(347, 60%, 21%)
HSV	hsv(347, 75%, 33%)
CMYK	cmyk(0%, 75.3%, 58.8%, 66.7%)
CIE-LAB	lab(18.32, 30.49, 7.64)
CIE-LCH	lch(18.32, 31.43, 14.07°)
OKLab	oklab(30.78% 0.0922 0.0193)
OKLCH	oklch(30.78% 0.094 11.8)
XYZ	xyz(4.3182, 2.5896, 1.8622)
Luminance	0.0259 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551523 #155547

analogous

#551543 #551523 #552715

triadic

#551523 #235515 #152355

tetradic

#551523 #435515 #155547 #271555

square

#551523 #435515 #155547 #271555

split-complementary

#551523 #155527 #154355

monochromatic

#19060A #24090F #551523 #862137 #B72D4B

Accessibility & contrast

On white

13.84

#551523 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#551523 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551523

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551523	#FFFFFF	#000000	##FFFFFF
##551523	1.00	13.84	1.52	13.84
#FFFFFF	13.84	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252423

Deuteranopia (green-blind)

#353121

Tritanopia (blue-blind)

#5D081B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #551523;
/* rgb */ color: rgb(85, 21, 35);
/* oklch */ color: oklch(30.8% 0.094 11.8);

Tailwind

colors: {
  custom: {
    50: '#89585d',
    500: '#551523',
    950: '#000000',
  },
}

SCSS

$custom: #551523;
$custom-light: #89585d;
$custom-dark: #000000;

JSON

{
  "hex": "#551523",
  "rgb": {
    "r": 85,
    "g": 21,
    "b": 35
  },
  "hsl": {
    "h": 346.875,
    "s": 60.377,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30782,
    "c": 0.09419,
    "h": 11.8
  },
  "luminance": 0.02589
}

Semantic roles & 50–950 ramp

primary

#551523

secondary

#398D7A

accent

#E4C144

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0304

muted

#7D7879

Preview Lab

Preview with #551523

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

Preview Lab → · Contrast checker → · Palette generator →