#3F070F#3F070F

#3F070F is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.2% C 0.084 H 18.8°. Best body text is #FFFFFF at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F070F
RGB	rgb(63, 7, 15)
HSL	hsl(351, 80%, 14%)
HSV	hsv(351, 89%, 25%)
CMYK	cmyk(0%, 88.9%, 76.2%, 75.3%)
CIE-LAB	lab(10.87, 26.92, 10.52)
CIE-LCH	lch(10.87, 28.90, 21.34°)
OKLab	oklab(24.22% 0.0798 0.0272)
OKLCH	oklch(24.22% 0.084 18.8)
XYZ	xyz(2.2123, 1.2435, 0.5754)
Luminance	0.0124 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F070F #073F37

analogous

#3F072B #3F070F #3F1B07

triadic

#3F070F #0F3F07 #070F3F

tetradic

#3F070F #2B3F07 #073F37 #1B073F

square

#3F070F #2B3F07 #073F37 #1B073F

split-complementary

#3F070F #073F1B #072B3F

monochromatic

#1C0307 #1C0307 #3F070F #760D1C #AD1329

Accessibility & contrast

On white

16.82

#3F070F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#3F070F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F070F

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F070F	#FFFFFF	#000000	##FFFFFF
##3F070F	1.00	16.82	1.25	16.82
#FFFFFF	16.82	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17160F

Deuteranopia (green-blind)

#26210D

Tritanopia (blue-blind)

#46000A

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f070f;
/* rgb */ color: rgb(63, 7, 15);
/* oklch */ color: oklch(24.2% 0.084 18.8);

Tailwind

colors: {
  custom: {
    50: '#794d4d',
    500: '#3f070f',
    950: '#000000',
  },
}

SCSS

$custom: #3f070f;
$custom-light: #794d4d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f070f",
  "rgb": {
    "r": 63,
    "g": 7,
    "b": 15
  },
  "hsl": {
    "h": 351.429,
    "s": 80,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24219,
    "c": 0.08429,
    "h": 18.8
  },
  "luminance": 0.01243
}

Semantic roles & 50–950 ramp

primary

#3F070F

secondary

#247E71

accent

#F6DA31

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #3F070F

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

Preview Lab → · Contrast checker → · Palette generator →