#3F0711#3F0711

#3F0711 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.3% C 0.084 H 16.7°. Best body text is #FFFFFF at 16.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F0711
RGB	rgb(63, 7, 17)
HSL	hsl(349, 80%, 14%)
HSV	hsv(349, 89%, 25%)
CMYK	cmyk(0%, 88.9%, 73%, 75.3%)
CIE-LAB	lab(10.92, 27.06, 9.47)
CIE-LCH	lch(10.92, 28.67, 19.29°)
OKLab	oklab(24.27% 0.0807 0.0242)
OKLCH	oklch(24.27% 0.084 16.7)
XYZ	xyz(2.2273, 1.2495, 0.6541)
Luminance	0.0125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0711 #073F35

analogous

#3F072D #3F0711 #3F1907

triadic

#3F0711 #113F07 #07113F

tetradic

#3F0711 #2D3F07 #073F35 #19073F

square

#3F0711 #2D3F07 #073F35 #19073F

split-complementary

#3F0711 #073F19 #072D3F

monochromatic

#1C0307 #1C0307 #3F0711 #760D20 #AD132F

Accessibility & contrast

On white

16.80

#3F0711 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#3F0711 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0711

16.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0711	#FFFFFF	#000000	##FFFFFF
##3F0711	1.00	16.80	1.25	16.80
#FFFFFF	16.80	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171611

Deuteranopia (green-blind)

#25220F

Tritanopia (blue-blind)

#46000B

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f0711;
/* rgb */ color: rgb(63, 7, 17);
/* oklch */ color: oklch(24.3% 0.084 16.7);

Tailwind

colors: {
  custom: {
    50: '#794d4f',
    500: '#3f0711',
    950: '#000000',
  },
}

SCSS

$custom: #3f0711;
$custom-light: #794d4f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0711",
  "rgb": {
    "r": 63,
    "g": 7,
    "b": 17
  },
  "hsl": {
    "h": 349.286,
    "s": 80,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24265,
    "c": 0.08427,
    "h": 16.7
  },
  "luminance": 0.01249
}

Semantic roles & 50–950 ramp

primary

#3F0711

secondary

#247E6E

accent

#F6D331

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #3F0711

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

Preview Lab → · Contrast checker → · Palette generator →