#3B1703#3B1703

#3B1703 is a dark, moderate orange. Relative luminance 0.015; OKLCH L 25.5% C 0.065 H 47.4°. Best body text is #FFFFFF at 16.03:1 contrast (WCAG AA passes).

Color values

HEX	#3B1703
RGB	rgb(59, 23, 3)
HSL	hsl(21, 90%, 12%)
HSV	hsv(21, 95%, 23%)
CMYK	cmyk(0%, 61%, 94.9%, 76.9%)
CIE-LAB	lab(12.92, 16.24, 18.37)
CIE-LCH	lch(12.92, 24.52, 48.51°)
OKLab	oklab(25.54% 0.0438 0.0477)
OKLCH	oklch(25.54% 0.065 47.4)
XYZ	xyz(2.1267, 1.5494, 0.2732)
Luminance	0.0155 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B1703 #03273B

analogous

#3B030B #3B1703 #3B3303

triadic

#3B1703 #033B17 #17033B

tetradic

#3B1703 #0B3B03 #03273B #33033B

square

#3B1703 #0B3B03 #03273B #33033B

split-complementary

#3B1703 #033B33 #030B3B

monochromatic

#1D0B01 #1D0B01 #3B1703 #752E06 #AF4409

Accessibility & contrast

On white

16.03

#3B1703 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#3B1703 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B1703

16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B1703	#FFFFFF	#000000	##FFFFFF
##3B1703	1.00	16.03	1.31	16.03
#FFFFFF	16.03	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211C01

Deuteranopia (green-blind)

#2A2402

Tritanopia (blue-blind)

#420F13

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3b1703;
/* rgb */ color: rgb(59, 23, 3);
/* oklch */ color: oklch(25.5% 0.065 47.4);

Tailwind

colors: {
  custom: {
    50: '#755548',
    500: '#3b1703',
    950: '#000000',
  },
}

SCSS

$custom: #3b1703;
$custom-light: #755548;
$custom-dark: #000000;

JSON

{
  "hex": "#3b1703",
  "rgb": {
    "r": 59,
    "g": 23,
    "b": 3
  },
  "hsl": {
    "h": 21.429,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.25537,
    "c": 0.06474,
    "h": 47.4
  },
  "luminance": 0.01549
}

Semantic roles & 50–950 ramp

primary

#3B1703

secondary

#1C5B7E

accent

#B2FF29

background

#F7F4F4

surface

#EDE8E6

border

#C8C4C2

text

#090300

muted

#7B7877

Preview Lab

Preview with #3B1703

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

Preview Lab → · Contrast checker → · Palette generator →