#3F190B#3F190B

#3F190B is a dark, moderate orange. Relative luminance 0.018; OKLCH L 26.7% C 0.064 H 40.1°. Best body text is #FFFFFF at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#3F190B
RGB	rgb(63, 25, 11)
HSL	hsl(16, 70%, 15%)
HSV	hsv(16, 83%, 25%)
CMYK	cmyk(0%, 60.3%, 82.5%, 75.3%)
CIE-LAB	lab(14.27, 17.40, 17.02)
CIE-LCH	lch(14.27, 24.34, 44.37°)
OKLab	oklab(26.75% 0.049 0.0413)
OKLCH	oklch(26.75% 0.064 40.1)
XYZ	xyz(2.4582, 1.7765, 0.5300)
Luminance	0.0178 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F190B #0B313F

analogous

#3F0B17 #3F190B #3F330B

triadic

#3F190B #0B3F19 #190B3F

tetradic

#3F190B #173F0B #0B313F #330B3F

square

#3F190B #173F0B #0B313F #330B3F

split-complementary

#3F190B #0B3F33 #0B173F

monochromatic

#1A0A05 #1A0A05 #3F190B #732E14 #A7421D

Accessibility & contrast

On white

15.50

#3F190B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#3F190B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F190B

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F190B	#FFFFFF	#000000	##FFFFFF
##3F190B	1.00	15.50	1.36	15.50
#FFFFFF	15.50	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F09

Deuteranopia (green-blind)

#2D270A

Tritanopia (blue-blind)

#461116

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #3f190b;
/* rgb */ color: rgb(63, 25, 11);
/* oklch */ color: oklch(26.7% 0.064 40.1);

Tailwind

colors: {
  custom: {
    50: '#78574b',
    500: '#3f190b',
    950: '#000000',
  },
}

SCSS

$custom: #3f190b;
$custom-light: #78574b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f190b",
  "rgb": {
    "r": 63,
    "g": 25,
    "b": 11
  },
  "hsl": {
    "h": 16.154,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.26747,
    "c": 0.06402,
    "h": 40.1
  },
  "luminance": 0.01776
}

Semantic roles & 50–950 ramp

primary

#3F190B

secondary

#2A667C

accent

#BDED3B

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#090301

muted

#7B7877

Preview Lab

Preview with #3F190B

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

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