#3F190F#3F190F

#3F190F is a dark, moderate red. Relative luminance 0.018; OKLCH L 26.8% C 0.062 H 35.8°. Best body text is #FFFFFF at 15.47:1 contrast (WCAG AA passes).

Color values

HEX	#3F190F
RGB	rgb(63, 25, 15)
HSL	hsl(13, 62%, 15%)
HSV	hsv(13, 76%, 25%)
CMYK	cmyk(0%, 60.3%, 76.2%, 75.3%)
CIE-LAB	lab(14.33, 17.66, 15.18)
CIE-LCH	lch(14.33, 23.29, 40.67°)
OKLab	oklab(26.81% 0.0507 0.0365)
OKLCH	oklch(26.81% 0.062 35.8)
XYZ	xyz(2.4840, 1.7868, 0.6659)
Luminance	0.0179 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F190F #0F353F

analogous

#3F0F1D #3F190F #3F310F

triadic

#3F190F #0F3F19 #190F3F

tetradic

#3F190F #1D3F0F #0F353F #310F3F

square

#3F190F #1D3F0F #0F353F #310F3F

split-complementary

#3F190F #0F3F31 #0F1D3F

monochromatic

#190A06 #190A06 #3F190F #702D1B #A24027

Accessibility & contrast

On white

15.47

#3F190F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#3F190F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F190F

15.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F190F	#FFFFFF	#000000	##FFFFFF
##3F190F	1.00	15.47	1.36	15.47
#FFFFFF	15.47	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F0E

Deuteranopia (green-blind)

#2C270E

Tritanopia (blue-blind)

#461217

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #3f190f;
/* rgb */ color: rgb(63, 25, 15);
/* oklch */ color: oklch(26.8% 0.062 35.8);

Tailwind

colors: {
  custom: {
    50: '#78574e',
    500: '#3f190f',
    950: '#000000',
  },
}

SCSS

$custom: #3f190f;
$custom-light: #78574e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f190f",
  "rgb": {
    "r": 63,
    "g": 25,
    "b": 15
  },
  "hsl": {
    "h": 12.5,
    "s": 61.538,
    "l": 15.294
  },
  "oklch": {
    "l": 0.26811,
    "c": 0.06244,
    "h": 35.8
  },
  "luminance": 0.01787
}

Semantic roles & 50–950 ramp

primary

#3F190F

secondary

#306A79

accent

#C3E543

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#090301

muted

#7B7877

Preview Lab

Preview with #3F190F

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

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