#3F110F#3F110F

#3F110F is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.5% C 0.072 H 26.1°. Best body text is #FFFFFF at 16.17:1 contrast (WCAG AA passes).

Color values

HEX	#3F110F
RGB	rgb(63, 17, 15)
HSL	hsl(3, 62%, 15%)
HSV	hsv(3, 76%, 25%)
CMYK	cmyk(0%, 73%, 76.2%, 75.3%)
CIE-LAB	lab(12.56, 22.28, 12.83)
CIE-LCH	lch(12.56, 25.71, 29.93°)
OKLab	oklab(25.48% 0.0651 0.0318)
OKLCH	oklch(25.48% 0.072 26.1)
XYZ	xyz(2.3368, 1.4925, 0.6169)
Luminance	0.0149 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F110F #0F3D3F

analogous

#3F0F25 #3F110F #3F290F

triadic

#3F110F #0F3F11 #110F3F

tetradic

#3F110F #253F0F #0F3D3F #290F3F

square

#3F110F #253F0F #0F3D3F #290F3F

split-complementary

#3F110F #0F3F29 #0F253F

monochromatic

#190706 #190706 #3F110F #701E1B #A22C27

Accessibility & contrast

On white

16.17

#3F110F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#3F110F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F110F

16.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F110F	#FFFFFF	#000000	##FFFFFF
##3F110F	1.00	16.17	1.30	16.17
#FFFFFF	16.17	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1A0E

Deuteranopia (green-blind)

#29240E

Tritanopia (blue-blind)

#460711

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3f110f;
/* rgb */ color: rgb(63, 17, 15);
/* oklch */ color: oklch(25.5% 0.072 26.1);

Tailwind

colors: {
  custom: {
    50: '#78524d',
    500: '#3f110f',
    950: '#000000',
  },
}

SCSS

$custom: #3f110f;
$custom-light: #78524d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f110f",
  "rgb": {
    "r": 63,
    "g": 17,
    "b": 15
  },
  "hsl": {
    "h": 2.5,
    "s": 61.538,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25476,
    "c": 0.07243,
    "h": 26.1
  },
  "luminance": 0.01492
}

Semantic roles & 50–950 ramp

primary

#3F110F

secondary

#307679

accent

#DEE543

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3F110F

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

Preview Lab → · Contrast checker → · Palette generator →