#3F0715#3F0715

#3F0715 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.4% C 0.085 H 12.1°. Best body text is #FFFFFF at 16.77:1 contrast (WCAG AA passes).

Color values

HEX	#3F0715
RGB	rgb(63, 7, 21)
HSL	hsl(345, 80%, 14%)
HSV	hsv(345, 89%, 25%)
CMYK	cmyk(0%, 88.9%, 66.7%, 75.3%)
CIE-LAB	lab(11.02, 27.36, 7.06)
CIE-LCH	lch(11.02, 28.26, 14.47°)
OKLab	oklab(24.37% 0.0826 0.0178)
OKLCH	oklch(24.37% 0.085 12.1)
XYZ	xyz(2.2615, 1.2632, 0.8341)
Luminance	0.0126 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0715 #073F31

analogous

#3F0731 #3F0715 #3F1507

triadic

#3F0715 #153F07 #07153F

tetradic

#3F0715 #313F07 #073F31 #15073F

square

#3F0715 #313F07 #073F31 #15073F

split-complementary

#3F0715 #073F15 #07313F

monochromatic

#1C0309 #1C0309 #3F0715 #760D27 #AD133A

Accessibility & contrast

On white

16.77

#3F0715 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#3F0715 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0715

16.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0715	#FFFFFF	#000000	##FFFFFF
##3F0715	1.00	16.77	1.25	16.77
#FFFFFF	16.77	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161615

Deuteranopia (green-blind)

#252214

Tritanopia (blue-blind)

#46000D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f0715;
/* rgb */ color: rgb(63, 7, 21);
/* oklch */ color: oklch(24.4% 0.085 12.1);

Tailwind

colors: {
  custom: {
    50: '#794d52',
    500: '#3f0715',
    950: '#000000',
  },
}

SCSS

$custom: #3f0715;
$custom-light: #794d52;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0715",
  "rgb": {
    "r": 63,
    "g": 7,
    "b": 21
  },
  "hsl": {
    "h": 345,
    "s": 80,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24369,
    "c": 0.08453,
    "h": 12.1
  },
  "luminance": 0.01263
}

Semantic roles & 50–950 ramp

primary

#3F0715

secondary

#247E68

accent

#F6C531

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0102

muted

#7C7778

Preview Lab

Preview with #3F0715

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

Preview Lab → · Contrast checker → · Palette generator →