#3F210A#3F210A

#3F210A is a dark, muted orange. Relative luminance 0.022; OKLCH L 28.3% C 0.057 H 55.0°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#3F210A
RGB	rgb(63, 33, 10)
HSL	hsl(26, 73%, 14%)
HSV	hsv(26, 84%, 25%)
CMYK	cmyk(0%, 47.6%, 84.1%, 75.3%)
CIE-LAB	lab(16.34, 12.20, 20.08)
CIE-LCH	lch(16.34, 23.49, 58.72°)
OKLab	oklab(28.33% 0.033 0.0471)
OKLCH	oklch(28.33% 0.057 55)
XYZ	xyz(2.6488, 2.1667, 0.5658)
Luminance	0.0217 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F210A #0A283F

analogous

#3F0A0D #3F210A #3F3C0A

triadic

#3F210A #0A3F21 #210A3F

tetradic

#3F210A #0D3F0A #0A283F #3C0A3F

square

#3F210A #0D3F0A #0A283F #3C0A3F

split-complementary

#3F210A #0A3F3C #0A0D3F

monochromatic

#1A0E04 #1A0E04 #3F210A #743D12 #A9581B

Accessibility & contrast

On white

14.65

#3F210A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#3F210A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F210A

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F210A	#FFFFFF	#000000	##FFFFFF
##3F210A	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2407

Deuteranopia (green-blind)

#312B0A

Tritanopia (blue-blind)

#461B1C

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #3f210a;
/* rgb */ color: rgb(63, 33, 10);
/* oklch */ color: oklch(28.3% 0.057 55.0);

Tailwind

colors: {
  custom: {
    50: '#775c4b',
    500: '#3f210a',
    950: '#000000',
  },
}

SCSS

$custom: #3f210a;
$custom-light: #775c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f210a",
  "rgb": {
    "r": 63,
    "g": 33,
    "b": 10
  },
  "hsl": {
    "h": 26.038,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.2833,
    "c": 0.05747,
    "h": 55
  },
  "luminance": 0.02166
}

Semantic roles & 50–950 ramp

primary

#3F210A

secondary

#29587C

accent

#A0EF38

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#090401

muted

#7B7977

Preview Lab

Preview with #3F210A

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

Preview Lab → · Contrast checker → · Palette generator →