#551F10#551F10

#551F10 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.8% C 0.084 H 36.3°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#551F10
RGB	rgb(85, 31, 16)
HSL	hsl(13, 68%, 20%)
HSV	hsv(13, 81%, 33%)
CMYK	cmyk(0%, 63.5%, 81.2%, 66.7%)
CIE-LAB	lab(19.84, 24.10, 22.31)
CIE-LCH	lch(19.84, 32.84, 42.80°)
OKLab	oklab(31.81% 0.0681 0.05)
OKLCH	oklch(31.81% 0.084 36.3)
XYZ	xyz(4.3303, 2.9493, 0.8314)
Luminance	0.0295 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F10 #104655

analogous

#551024 #551F10 #554110

triadic

#551F10 #10551F #1F1055

tetradic

#551F10 #245510 #104655 #411055

square

#551F10 #245510 #104655 #411055

split-complementary

#551F10 #105541 #102455

monochromatic

#1A0905 #210C06 #551F10 #89321A #BC4523

Accessibility & contrast

On white

13.21

#551F10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#551F10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F10

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F10	#FFFFFF	#000000	##FFFFFF
##551F10	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E280E

Deuteranopia (green-blind)

#3B340E

Tritanopia (blue-blind)

#5E131C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #551f10;
/* rgb */ color: rgb(85, 31, 16);
/* oklch */ color: oklch(31.8% 0.084 36.3);

Tailwind

colors: {
  custom: {
    50: '#8a5d4f',
    500: '#551f10',
    950: '#000000',
  },
}

SCSS

$custom: #551f10;
$custom-light: #8a5d4f;
$custom-dark: #000000;

JSON

{
  "hex": "#551f10",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 16
  },
  "hsl": {
    "h": 13.043,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.31808,
    "c": 0.08447,
    "h": 36.3
  },
  "luminance": 0.02949
}

Semantic roles & 50–950 ramp

primary

#551F10

secondary

#327A8F

accent

#C5EB3D

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #551F10

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

Preview Lab → · Contrast checker → · Palette generator →