#3F280A#3F280A

#3F280A is a dark, muted orange. Relative luminance 0.026; OKLCH L 29.9% C 0.055 H 69.6°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F280A
RGB	rgb(63, 40, 10)
HSL	hsl(34, 73%, 14%)
HSV	hsv(34, 84%, 25%)
CMYK	cmyk(0%, 36.5%, 84.1%, 75.3%)
CIE-LAB	lab(18.35, 7.53, 22.52)
CIE-LCH	lch(18.35, 23.74, 71.52°)
OKLab	oklab(29.89% 0.0191 0.0515)
OKLCH	oklch(29.89% 0.055 69.6)
XYZ	xyz(2.8637, 2.5965, 0.6375)
Luminance	0.0260 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F280A #0A213F

analogous

#3F0D0A #3F280A #3C3F0A

triadic

#3F280A #0A3F28 #280A3F

tetradic

#3F280A #0A3F0D #0A213F #3F0A3C

square

#3F280A #0A3F0D #0A213F #3F0A3C

split-complementary

#3F280A #0A3C3F #0D0A3F

monochromatic

#1A1104 #1A1104 #3F280A #744A12 #A96B1B

Accessibility & contrast

On white

13.82

#3F280A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#3F280A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F280A

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F280A	#FFFFFF	#000000	##FFFFFF
##3F280A	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302A07

Deuteranopia (green-blind)

#352F0B

Tritanopia (blue-blind)

#452222

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #3f280a;
/* rgb */ color: rgb(63, 40, 10);
/* oklch */ color: oklch(29.9% 0.055 69.6);

Tailwind

colors: {
  custom: {
    50: '#77614b',
    500: '#3f280a',
    950: '#000000',
  },
}

SCSS

$custom: #3f280a;
$custom-light: #77614b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f280a",
  "rgb": {
    "r": 63,
    "g": 40,
    "b": 10
  },
  "hsl": {
    "h": 33.962,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.29888,
    "c": 0.05491,
    "h": 69.6
  },
  "luminance": 0.02596
}

Semantic roles & 50–950 ramp

primary

#3F280A

secondary

#294D7C

accent

#88EF38

background

#F7F5F4

surface

#EDE9E7

border

#C8C5C3

text

#090501

muted

#7B7977

Preview Lab

Preview with #3F280A

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

Preview Lab → · Contrast checker → · Palette generator →