#3F240B#3F240B

#3F240B is a dark, muted orange. Relative luminance 0.023; OKLCH L 29.0% C 0.055 H 60.3°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#3F240B
RGB	rgb(63, 36, 11)
HSL	hsl(29, 70%, 15%)
HSV	hsv(29, 83%, 25%)
CMYK	cmyk(0%, 42.9%, 82.5%, 75.3%)
CIE-LAB	lab(17.19, 10.27, 20.71)
CIE-LCH	lch(17.19, 23.12, 63.64°)
OKLab	oklab(28.99% 0.0274 0.048)
OKLCH	oklch(28.99% 0.055 60.3)
XYZ	xyz(2.7414, 2.3429, 0.6244)
Luminance	0.0234 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F240B #0B263F

analogous

#3F0B0C #3F240B #3F3E0B

triadic

#3F240B #0B3F24 #240B3F

tetradic

#3F240B #0C3F0B #0B263F #3E0B3F

square

#3F240B #0C3F0B #0B263F #3E0B3F

split-complementary

#3F240B #0B3F3E #0B0C3F

monochromatic

#1A0F05 #1A0F05 #3F240B #734214 #A7601D

Accessibility & contrast

On white

14.30

#3F240B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#3F240B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F240B

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F240B	#FFFFFF	#000000	##FFFFFF
##3F240B	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2708

Deuteranopia (green-blind)

#332D0B

Tritanopia (blue-blind)

#461E1F

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #3f240b;
/* rgb */ color: rgb(63, 36, 11);
/* oklch */ color: oklch(29.0% 0.055 60.3);

Tailwind

colors: {
  custom: {
    50: '#775e4c',
    500: '#3f240b',
    950: '#000000',
  },
}

SCSS

$custom: #3f240b;
$custom-light: #775e4c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f240b",
  "rgb": {
    "r": 63,
    "g": 36,
    "b": 11
  },
  "hsl": {
    "h": 28.846,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.28994,
    "c": 0.05526,
    "h": 60.3
  },
  "luminance": 0.02343
}

Semantic roles & 50–950 ramp

primary

#3F240B

secondary

#2A547C

accent

#97ED3B

background

#F7F5F4

surface

#EDE9E7

border

#C8C5C3

text

#090401

muted

#7B7977

Preview Lab

Preview with #3F240B

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

Preview Lab → · Contrast checker → · Palette generator →