#3F331F#3F331F

#3F331F is a dark, muted orange. Relative luminance 0.035; OKLCH L 32.9% C 0.037 H 79.7°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#3F331F
RGB	rgb(63, 51, 31)
HSL	hsl(38, 34%, 18%)
HSV	hsv(38, 51%, 25%)
CMYK	cmyk(0%, 19%, 50.8%, 75.3%)
CIE-LAB	lab(22.03, 2.13, 14.69)
CIE-LCH	lch(22.03, 14.84, 81.75°)
OKLab	oklab(32.86% 0.0065 0.0359)
OKLCH	oklch(32.86% 0.037 79.7)
XYZ	xyz(3.4812, 3.5235, 1.7928)
Luminance	0.0352 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F331F #1F2B3F

analogous

#3F231F #3F331F #3B3F1F

triadic

#3F331F #1F3F33 #331F3F

tetradic

#3F331F #1F3F23 #1F2B3F #3F1F3B

square

#3F331F #1F3F23 #1F2B3F #3F1F3B

split-complementary

#3F331F #1F3B3F #231F3F

monochromatic

#15110A #16120B #3F331F #685433 #917547

Accessibility & contrast

On white

12.32

#3F331F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#3F331F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F331F

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F331F	#FFFFFF	#000000	##FFFFFF
##3F331F	1.00	12.32	1.70	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38331D

Deuteranopia (green-blind)

#3B3620

Tritanopia (blue-blind)

#442F2E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #3f331f;
/* rgb */ color: rgb(63, 51, 31);
/* oklch */ color: oklch(32.9% 0.037 79.7);

Tailwind

colors: {
  custom: {
    50: '#756a5b',
    500: '#3f331f',
    950: '#000000',
  },
}

SCSS

$custom: #3f331f;
$custom-light: #756a5b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f331f",
  "rgb": {
    "r": 63,
    "g": 51,
    "b": 31
  },
  "hsl": {
    "h": 37.5,
    "s": 34.043,
    "l": 18.431
  },
  "oklch": {
    "l": 0.32864,
    "c": 0.03651,
    "h": 79.7
  },
  "luminance": 0.03523
}

Semantic roles & 50–950 ramp

primary

#3F331F

secondary

#475773

accent

#86CA5E

background

#F7F6F5

surface

#EDEBE9

border

#C8C6C5

text

#080604

muted

#7B7A79

Preview Lab

Preview with #3F331F

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

Preview Lab → · Contrast checker → · Palette generator →