#3F0F18#3F0F18

#3F0F18 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.4% C 0.075 H 13.2°. Best body text is #FFFFFF at 16.24:1 contrast (WCAG AA passes).

Color values

HEX	#3F0F18
RGB	rgb(63, 15, 24)
HSL	hsl(349, 62%, 15%)
HSV	hsv(349, 76%, 25%)
CMYK	cmyk(0%, 76.2%, 61.9%, 75.3%)
CIE-LAB	lab(12.38, 24.06, 6.76)
CIE-LCH	lch(12.38, 24.99, 15.69°)
OKLab	oklab(25.41% 0.0726 0.017)
OKLCH	oklch(25.41% 0.075 13.2)
XYZ	xyz(2.3858, 1.4647, 1.0211)
Luminance	0.0146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0F18 #0F3F36

analogous

#3F0F30 #3F0F18 #3F1E0F

triadic

#3F0F18 #183F0F #0F183F

tetradic

#3F0F18 #303F0F #0F3F36 #1E0F3F

square

#3F0F18 #303F0F #0F3F36 #1E0F3F

split-complementary

#3F0F18 #0F3F1E #0F303F

monochromatic

#190609 #190609 #3F0F18 #701B2B #A2273E

Accessibility & contrast

On white

16.24

#3F0F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#3F0F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0F18

16.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0F18	#FFFFFF	#000000	##FFFFFF
##3F0F18	1.00	16.24	1.29	16.24
#FFFFFF	16.24	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1A18

Deuteranopia (green-blind)

#272417

Tritanopia (blue-blind)

#460613

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f0f18;
/* rgb */ color: rgb(63, 15, 24);
/* oklch */ color: oklch(25.4% 0.075 13.2);

Tailwind

colors: {
  custom: {
    50: '#785154',
    500: '#3f0f18',
    950: '#000000',
  },
}

SCSS

$custom: #3f0f18;
$custom-light: #785154;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0f18",
  "rgb": {
    "r": 63,
    "g": 15,
    "b": 24
  },
  "hsl": {
    "h": 348.75,
    "s": 61.538,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25408,
    "c": 0.07457,
    "h": 13.2
  },
  "luminance": 0.01464
}

Semantic roles & 50–950 ramp

primary

#3F0F18

secondary

#30796C

accent

#E5C643

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090202

muted

#7B7878

Preview Lab

Preview with #3F0F18

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

Preview Lab → · Contrast checker → · Palette generator →