#3F310B#3F310B

#3F310B is a dark, muted orange. Relative luminance 0.033; OKLCH L 32.1% C 0.057 H 88.0°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#3F310B
RGB	rgb(63, 49, 11)
HSL	hsl(44, 70%, 15%)
HSV	hsv(44, 83%, 25%)
CMYK	cmyk(0%, 22.2%, 82.5%, 75.3%)
CIE-LAB	lab(21.12, 1.58, 25.26)
CIE-LCH	lch(21.12, 25.31, 86.42°)
OKLab	oklab(32.06% 0.002 0.0565)
OKLCH	oklch(32.06% 0.057 88)
XYZ	xyz(3.2088, 3.2778, 0.7802)
Luminance	0.0328 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F310B #0B193F

analogous

#3F170B #3F310B #333F0B

triadic

#3F310B #0B3F31 #310B3F

tetradic

#3F310B #0B3F17 #0B193F #3F0B33

square

#3F310B #0B3F17 #0B193F #3F0B33

split-complementary

#3F310B #0B333F #170B3F

monochromatic

#1A1405 #1A1405 #3F310B #735A14 #A7821D

Accessibility & contrast

On white

12.68

#3F310B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#3F310B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F310B

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F310B	#FFFFFF	#000000	##FFFFFF
##3F310B	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383106

Deuteranopia (green-blind)

#3B340D

Tritanopia (blue-blind)

#452C29

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #3f310b;
/* rgb */ color: rgb(63, 49, 11);
/* oklch */ color: oklch(32.1% 0.057 88.0);

Tailwind

colors: {
  custom: {
    50: '#76684d',
    500: '#3f310b',
    950: '#000000',
  },
}

SCSS

$custom: #3f310b;
$custom-light: #76684d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f310b",
  "rgb": {
    "r": 63,
    "g": 49,
    "b": 11
  },
  "hsl": {
    "h": 43.846,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.32063,
    "c": 0.05658,
    "h": 88
  },
  "luminance": 0.03278
}

Semantic roles & 50–950 ramp

primary

#3F310B

secondary

#2A407C

accent

#6BED3B

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090601

muted

#7B7A77

Preview Lab

Preview with #3F310B

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

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