#551C10#551C10

#551C10 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.3% C 0.088 H 33.6°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#551C10
RGB	rgb(85, 28, 16)
HSL	hsl(10, 68%, 20%)
HSV	hsv(10, 81%, 33%)
CMYK	cmyk(0%, 67.1%, 81.2%, 66.7%)
CIE-LAB	lab(19.22, 25.72, 21.61)
CIE-LCH	lch(19.22, 33.59, 40.04°)
OKLab	oklab(31.34% 0.0731 0.0486)
OKLCH	oklch(31.34% 0.088 33.6)
XYZ	xyz(4.2555, 2.7998, 0.8064)
Luminance	0.0280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C10 #104955

analogous

#551026 #551C10 #553F10

triadic

#551C10 #10551C #1C1055

tetradic

#551C10 #265510 #104955 #3F1055

square

#551C10 #265510 #104955 #3F1055

split-complementary

#551C10 #10553F #102655

monochromatic

#1A0805 #210B06 #551C10 #892D1A #BC3E23

Accessibility & contrast

On white

13.46

#551C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#551C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C10

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C10	#FFFFFF	#000000	##FFFFFF
##551C10	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C270E

Deuteranopia (green-blind)

#3A330E

Tritanopia (blue-blind)

#5E0E1A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #551c10;
/* rgb */ color: rgb(85, 28, 16);
/* oklch */ color: oklch(31.3% 0.088 33.6);

Tailwind

colors: {
  custom: {
    50: '#8a5b4f',
    500: '#551c10',
    950: '#000000',
  },
}

SCSS

$custom: #551c10;
$custom-light: #8a5b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#551c10",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 16
  },
  "hsl": {
    "h": 10.435,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.31343,
    "c": 0.08776,
    "h": 33.6
  },
  "luminance": 0.02799
}

Semantic roles & 50–950 ramp

primary

#551C10

secondary

#327E8F

accent

#CDEB3D

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #551C10

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

Preview Lab → · Contrast checker → · Palette generator →