#3F060B#3F060B

#3F060B is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.0% C 0.086 H 22.1°. Best body text is #FFFFFF at 16.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F060B
RGB	rgb(63, 6, 11)
HSL	hsl(355, 83%, 14%)
HSV	hsv(355, 90%, 25%)
CMYK	cmyk(0%, 90.5%, 82.5%, 75.3%)
CIE-LAB	lab(10.64, 27.13, 12.11)
CIE-LCH	lch(10.64, 29.71, 24.06°)
OKLab	oklab(24.02% 0.0794 0.0323)
OKLCH	oklch(24.02% 0.086 22.1)
XYZ	xyz(2.1757, 1.2115, 0.4358)
Luminance	0.0121 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F060B #063F3A

analogous

#3F0627 #3F060B #3F1D06

triadic

#3F060B #0B3F06 #060B3F

tetradic

#3F060B #273F06 #063F3A #1D063F

square

#3F060B #273F06 #063F3A #1D063F

split-complementary

#3F060B #063F1D #06273F

monochromatic

#1C0305 #1C0305 #3F060B #770B15 #AF111F

Accessibility & contrast

On white

16.91

#3F060B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#3F060B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F060B

16.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F060B	#FFFFFF	#000000	##FFFFFF
##3F060B	1.00	16.91	1.24	16.91
#FFFFFF	16.91	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17150B

Deuteranopia (green-blind)

#262109

Tritanopia (blue-blind)

#460008

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f060b;
/* rgb */ color: rgb(63, 6, 11);
/* oklch */ color: oklch(24.0% 0.086 22.1);

Tailwind

colors: {
  custom: {
    50: '#794c4b',
    500: '#3f060b',
    950: '#000000',
  },
}

SCSS

$custom: #3f060b;
$custom-light: #794c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f060b",
  "rgb": {
    "r": 63,
    "g": 6,
    "b": 11
  },
  "hsl": {
    "h": 354.737,
    "s": 82.609,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24022,
    "c": 0.08571,
    "h": 22.1
  },
  "luminance": 0.01211
}

Semantic roles & 50–950 ramp

primary

#3F060B

secondary

#227F77

accent

#F9E72F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #3F060B

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

Preview Lab → · Contrast checker → · Palette generator →