#3F1111#3F1111

#3F1111 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.5% C 0.072 H 23.7°. Best body text is #FFFFFF at 16.16:1 contrast (WCAG AA passes).

Color values

HEX	#3F1111
RGB	rgb(63, 17, 17)
HSL	hsl(0, 58%, 16%)
HSV	hsv(0, 73%, 25%)
CMYK	cmyk(0%, 73%, 73%, 75.3%)
CIE-LAB	lab(12.60, 22.43, 11.77)
CIE-LCH	lch(12.60, 25.33, 27.69°)
OKLab	oklab(25.52% 0.066 0.029)
OKLCH	oklch(25.52% 0.072 23.7)
XYZ	xyz(2.3518, 1.4985, 0.6956)
Luminance	0.0150 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1111 #113F3F

analogous

#3F1128 #3F1111 #3F2811

triadic

#3F1111 #113F11 #11113F

tetradic

#3F1111 #283F11 #113F3F #28113F

square

#3F1111 #283F11 #113F3F #28113F

split-complementary

#3F1111 #113F28 #11283F

monochromatic

#180707 #180707 #3F1111 #6F1E1E #9F2B2B

Accessibility & contrast

On white

16.16

#3F1111 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#3F1111 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1111

16.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1111	#FFFFFF	#000000	##FFFFFF
##3F1111	1.00	16.16	1.30	16.16
#FFFFFF	16.16	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1B11

Deuteranopia (green-blind)

#292410

Tritanopia (blue-blind)

#460711

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3f1111;
/* rgb */ color: rgb(63, 17, 17);
/* oklch */ color: oklch(25.5% 0.072 23.7);

Tailwind

colors: {
  custom: {
    50: '#78524f',
    500: '#3f1111',
    950: '#000000',
  },
}

SCSS

$custom: #3f1111;
$custom-light: #78524f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1111",
  "rgb": {
    "r": 63,
    "g": 17,
    "b": 17
  },
  "hsl": {
    "h": 0,
    "s": 57.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.25517,
    "c": 0.07209,
    "h": 23.7
  },
  "luminance": 0.01498
}

Semantic roles & 50–950 ramp

primary

#3F1111

secondary

#337878

accent

#E1E147

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3F1111

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

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