#3F290A#3F290A

#3F290A is a dark, muted orange. Relative luminance 0.027; OKLCH L 30.1% C 0.055 H 71.8°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#3F290A
RGB	rgb(63, 41, 10)
HSL	hsl(35, 73%, 14%)
HSV	hsv(35, 84%, 25%)
CMYK	cmyk(0%, 34.9%, 84.1%, 75.3%)
CIE-LAB	lab(18.65, 6.85, 22.87)
CIE-LCH	lch(18.65, 23.88, 73.32°)
OKLab	oklab(30.12% 0.0172 0.0521)
OKLCH	oklch(30.12% 0.055 71.8)
XYZ	xyz(2.8978, 2.6648, 0.6488)
Luminance	0.0267 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F290A #0A203F

analogous

#3F0E0A #3F290A #3B3F0A

triadic

#3F290A #0A3F29 #290A3F

tetradic

#3F290A #0A3F0E #0A203F #3F0A3B

square

#3F290A #0A3F0E #0A203F #3F0A3B

split-complementary

#3F290A #0A3B3F #0E0A3F

monochromatic

#1A1104 #1A1104 #3F290A #744B12 #A96E1B

Accessibility & contrast

On white

13.70

#3F290A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#3F290A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F290A

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F290A	#FFFFFF	#000000	##FFFFFF
##3F290A	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312A06

Deuteranopia (green-blind)

#362F0B

Tritanopia (blue-blind)

#452323

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #3f290a;
/* rgb */ color: rgb(63, 41, 10);
/* oklch */ color: oklch(30.1% 0.055 71.8);

Tailwind

colors: {
  custom: {
    50: '#77624c',
    500: '#3f290a',
    950: '#000000',
  },
}

SCSS

$custom: #3f290a;
$custom-light: #77624c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f290a",
  "rgb": {
    "r": 63,
    "g": 41,
    "b": 10
  },
  "hsl": {
    "h": 35.094,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.30121,
    "c": 0.05486,
    "h": 71.8
  },
  "luminance": 0.02665
}

Semantic roles & 50–950 ramp

primary

#3F290A

secondary

#294B7C

accent

#84EF38

background

#F7F5F4

surface

#EDEAE7

border

#C8C6C3

text

#090501

muted

#7B7977

Preview Lab

Preview with #3F290A

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

Preview Lab → · Contrast checker → · Palette generator →