#3F0F17#3F0F17

#3F0F17 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.4% C 0.074 H 14.5°. Best body text is #FFFFFF at 16.25:1 contrast (WCAG AA passes).

Color values

HEX	#3F0F17
RGB	rgb(63, 15, 23)
HSL	hsl(350, 62%, 15%)
HSV	hsv(350, 76%, 25%)
CMYK	cmyk(0%, 76.2%, 63.5%, 75.3%)
CIE-LAB	lab(12.36, 23.97, 7.47)
CIE-LCH	lch(12.36, 25.10, 17.30°)
OKLab	oklab(25.38% 0.0721 0.0186)
OKLCH	oklch(25.38% 0.074 14.5)
XYZ	xyz(2.3756, 1.4606, 0.9673)
Luminance	0.0146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0F17 #0F3F37

analogous

#3F0F2F #3F0F17 #3F1F0F

triadic

#3F0F17 #173F0F #0F173F

tetradic

#3F0F17 #2F3F0F #0F3F37 #1F0F3F

square

#3F0F17 #2F3F0F #0F3F37 #1F0F3F

split-complementary

#3F0F17 #0F3F1F #0F2F3F

monochromatic

#190609 #190609 #3F0F17 #701B29 #A2273B

Accessibility & contrast

On white

16.25

#3F0F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#3F0F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0F17

16.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0F17	#FFFFFF	#000000	##FFFFFF
##3F0F17	1.00	16.25	1.29	16.25
#FFFFFF	16.25	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1A17

Deuteranopia (green-blind)

#272416

Tritanopia (blue-blind)

#460612

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f0f17;
/* rgb */ color: rgb(63, 15, 23);
/* oklch */ color: oklch(25.4% 0.074 14.5);

Tailwind

colors: {
  custom: {
    50: '#785153',
    500: '#3f0f17',
    950: '#000000',
  },
}

SCSS

$custom: #3f0f17;
$custom-light: #785153;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0f17",
  "rgb": {
    "r": 63,
    "g": 15,
    "b": 23
  },
  "hsl": {
    "h": 350,
    "s": 61.538,
    "l": 15.294
  },
  "oklch": {
    "l": 0.2538,
    "c": 0.07449,
    "h": 14.5
  },
  "luminance": 0.0146
}

Semantic roles & 50–950 ramp

primary

#3F0F17

secondary

#30796D

accent

#E5CA43

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090202

muted

#7B7878

Preview Lab

Preview with #3F0F17

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

Preview Lab → · Contrast checker → · Palette generator →