#553B0F#553B0F

#553B0F is a dark, moderate orange. Relative luminance 0.051; OKLCH L 37.3% C 0.068 H 76.3°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#553B0F
RGB	rgb(85, 59, 15)
HSL	hsl(38, 70%, 20%)
HSV	hsv(38, 82%, 33%)
CMYK	cmyk(0%, 30.6%, 82.4%, 66.7%)
CIE-LAB	lab(27.00, 6.83, 30.25)
CIE-LCH	lch(27.00, 31.01, 77.28°)
OKLab	oklab(37.32% 0.0162 0.0665)
OKLCH	oklch(37.32% 0.068 76.3)
XYZ	xyz(5.3969, 5.0942, 1.1509)
Luminance	0.0509 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553B0F #0F2955

analogous

#55180F #553B0F #4C550F

triadic

#553B0F #0F553B #3B0F55

tetradic

#553B0F #0F5518 #0F2955 #550F4C

square

#553B0F #0F5518 #0F2955 #550F4C

split-complementary

#553B0F #0F4C55 #180F55

monochromatic

#1A1205 #211706 #553B0F #895F18 #BD8321

Accessibility & contrast

On white

10.40

#553B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#553B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553B0F

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553B0F	#FFFFFF	#000000	##FFFFFF
##553B0F	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C08

Deuteranopia (green-blind)

#4B4211

Tritanopia (blue-blind)

#5D3432

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #553b0f;
/* rgb */ color: rgb(85, 59, 15);
/* oklch */ color: oklch(37.3% 0.068 76.3);

Tailwind

colors: {
  custom: {
    50: '#887051',
    500: '#553b0f',
    950: '#000000',
  },
}

SCSS

$custom: #553b0f;
$custom-light: #887051;
$custom-dark: #000000;

JSON

{
  "hex": "#553b0f",
  "rgb": {
    "r": 85,
    "g": 59,
    "b": 15
  },
  "hsl": {
    "h": 37.714,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.37321,
    "c": 0.06847,
    "h": 76.3
  },
  "luminance": 0.05094
}

Semantic roles & 50–950 ramp

primary

#553B0F

secondary

#31548F

accent

#7DED3B

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0C0702

muted

#7D7A78

Preview Lab

Preview with #553B0F

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

Preview Lab → · Contrast checker → · Palette generator →