#550F15#550F15

#550F15 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.8% C 0.101 H 21.6°. Best body text is #FFFFFF at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#550F15
RGB	rgb(85, 15, 21)
HSL	hsl(355, 70%, 20%)
HSV	hsv(355, 82%, 33%)
CMYK	cmyk(0%, 82.4%, 75.3%, 66.7%)
CIE-LAB	lab(17.12, 31.92, 16.00)
CIE-LCH	lch(17.12, 35.70, 26.62°)
OKLab	oklab(29.79% 0.0938 0.0372)
OKLCH	oklch(29.79% 0.101 21.6)
XYZ	xyz(4.0529, 2.3277, 0.9452)
Luminance	0.0233 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550F15 #0F554F

analogous

#550F38 #550F15 #552C0F

triadic

#550F15 #15550F #0F1555

tetradic

#550F15 #38550F #0F554F #2C0F55

square

#550F15 #38550F #0F554F #2C0F55

split-complementary

#550F15 #0F552C #0F3855

monochromatic

#1A0506 #210608 #550F15 #891822 #BD212F

Accessibility & contrast

On white

14.33

#550F15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#550F15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550F15

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550F15	#FFFFFF	#000000	##FFFFFF
##550F15	1.00	14.33	1.47	14.33
#FFFFFF	14.33	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242115

Deuteranopia (green-blind)

#353013

Tritanopia (blue-blind)

#5E0012

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #550f15;
/* rgb */ color: rgb(85, 15, 21);
/* oklch */ color: oklch(29.8% 0.101 21.6);

Tailwind

colors: {
  custom: {
    50: '#8b5452',
    500: '#550f15',
    950: '#000000',
  },
}

SCSS

$custom: #550f15;
$custom-light: #8b5452;
$custom-dark: #000000;

JSON

{
  "hex": "#550f15",
  "rgb": {
    "r": 85,
    "g": 15,
    "b": 21
  },
  "hsl": {
    "h": 354.857,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29792,
    "c": 0.10089,
    "h": 21.6
  },
  "luminance": 0.02327
}

Semantic roles & 50–950 ramp

primary

#550F15

secondary

#318F87

accent

#EDDE3B

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0302

muted

#7E7878

Preview Lab

Preview with #550F15

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

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