#3F130F#3F130F

#3F130F is a dark, moderate red. Relative luminance 0.016; OKLCH L 25.8% C 0.070 H 28.1°. Best body text is #FFFFFF at 16.01:1 contrast (WCAG AA passes).

Color values

HEX	#3F130F
RGB	rgb(63, 19, 15)
HSL	hsl(5, 62%, 15%)
HSV	hsv(5, 76%, 25%)
CMYK	cmyk(0%, 69.8%, 76.2%, 75.3%)
CIE-LAB	lab(12.97, 21.20, 13.38)
CIE-LCH	lch(12.97, 25.07, 32.26°)
OKLab	oklab(25.78% 0.0616 0.0329)
OKLCH	oklch(25.78% 0.07 28.1)
XYZ	xyz(2.3692, 1.5573, 0.6277)
Luminance	0.0156 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F130F #0F3B3F

analogous

#3F0F23 #3F130F #3F2B0F

triadic

#3F130F #0F3F13 #130F3F

tetradic

#3F130F #233F0F #0F3B3F #2B0F3F

square

#3F130F #233F0F #0F3B3F #2B0F3F

split-complementary

#3F130F #0F3F2B #0F233F

monochromatic

#190706 #190706 #3F130F #70221B #A23127

Accessibility & contrast

On white

16.01

#3F130F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#3F130F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F130F

16.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F130F	#FFFFFF	#000000	##FFFFFF
##3F130F	1.00	16.01	1.31	16.01
#FFFFFF	16.01	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1C0E

Deuteranopia (green-blind)

#2A250E

Tritanopia (blue-blind)

#460912

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3f130f;
/* rgb */ color: rgb(63, 19, 15);
/* oklch */ color: oklch(25.8% 0.070 28.1);

Tailwind

colors: {
  custom: {
    50: '#78534d',
    500: '#3f130f',
    950: '#000000',
  },
}

SCSS

$custom: #3f130f;
$custom-light: #78534d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f130f",
  "rgb": {
    "r": 63,
    "g": 19,
    "b": 15
  },
  "hsl": {
    "h": 5,
    "s": 61.538,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25783,
    "c": 0.06988,
    "h": 28.1
  },
  "luminance": 0.01557
}

Semantic roles & 50–950 ramp

primary

#3F130F

secondary

#307379

accent

#D7E543

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3F130F

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

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