#3F210B#3F210B

#3F210B is a dark, muted orange. Relative luminance 0.022; OKLCH L 28.3% C 0.057 H 54.1°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#3F210B
RGB	rgb(63, 33, 11)
HSL	hsl(25, 70%, 15%)
HSV	hsv(25, 83%, 25%)
CMYK	cmyk(0%, 47.6%, 82.5%, 75.3%)
CIE-LAB	lab(16.35, 12.26, 19.67)
CIE-LCH	lch(16.35, 23.18, 58.07°)
OKLab	oklab(28.34% 0.0334 0.0461)
OKLCH	oklch(28.34% 0.057 54.1)
XYZ	xyz(2.6544, 2.1689, 0.5954)
Luminance	0.0217 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F210B #0B293F

analogous

#3F0B0F #3F210B #3F3B0B

triadic

#3F210B #0B3F21 #210B3F

tetradic

#3F210B #0F3F0B #0B293F #3B0B3F

square

#3F210B #0F3F0B #0B293F #3B0B3F

split-complementary

#3F210B #0B3F3B #0B0F3F

monochromatic

#1A0E05 #1A0E05 #3F210B #733C14 #A7581D

Accessibility & contrast

On white

14.65

#3F210B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#3F210B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F210B

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F210B	#FFFFFF	#000000	##FFFFFF
##3F210B	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2409

Deuteranopia (green-blind)

#312B0B

Tritanopia (blue-blind)

#461B1C

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #3f210b;
/* rgb */ color: rgb(63, 33, 11);
/* oklch */ color: oklch(28.3% 0.057 54.1);

Tailwind

colors: {
  custom: {
    50: '#775c4c',
    500: '#3f210b',
    950: '#000000',
  },
}

SCSS

$custom: #3f210b;
$custom-light: #775c4c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f210b",
  "rgb": {
    "r": 63,
    "g": 33,
    "b": 11
  },
  "hsl": {
    "h": 25.385,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.28342,
    "c": 0.0569,
    "h": 54.1
  },
  "luminance": 0.02169
}

Semantic roles & 50–950 ramp

primary

#3F210B

secondary

#2A597C

accent

#A2ED3B

background

#F7F5F4

surface

#EDE9E7

border

#C8C5C3

text

#090401

muted

#7B7977

Preview Lab

Preview with #3F210B

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

Preview Lab → · Contrast checker → · Palette generator →