#3F1815#3F1815

#3F1815 is a dark, moderate red. Relative luminance 0.018; OKLCH L 26.8% C 0.062 H 26.5°. Best body text is #FFFFFF at 15.52:1 contrast (WCAG AA passes).

Color values

HEX#3F1815
RGBrgb(63, 24, 21)
HSLhsl(4, 50%, 16%)
HSVhsv(4, 67%, 25%)
CMYKcmyk(0%, 61.9%, 66.7%, 75.3%)
CIE-LABlab(14.20, 18.77, 11.36)
CIE-LCHlch(14.20, 21.94, 31.18°)
OKLaboklab(26.75% 0.0554 0.0276)
OKLCHoklch(26.75% 0.062 26.5)
XYZxyz(2.5121, 1.7645, 0.9176)
Luminance0.0176 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F1815 #153C3F
analogous
#3F1527 #3F1815 #3F2D15
triadic
#3F1815 #153F18 #18153F
tetradic
#3F1815 #273F15 #153C3F #2D153F
square
#3F1815 #273F15 #153C3F #2D153F
split-complementary
#3F1815 #153F2D #15273F
monochromatic
#170908 #170908 #3F1815 #6D2924 #9B3B34

Accessibility & contrast

On white

15.52
#3F1815 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.35
#3F1815 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1815
15.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F1815#FFFFFF#000000##FFFFFF
##3F18151.0015.521.3515.52
#FFFFFF15.521.0021.001.00
#0000001.3521.001.0021.00
##FFFFFF15.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#221F15
Deuteranopia (green-blind)
#2B2714
Tritanopia (blue-blind)
#451117
Achromatopsia (no color)
#242424

Design tokens & code

CSS
--color: #3f1815;
/* rgb */ color: rgb(63, 24, 21);
/* oklch */ color: oklch(26.8% 0.062 26.5);
Tailwind
colors: {
  custom: {
    50: '#775652',
    500: '#3f1815',
    950: '#000000',
  },
}
SCSS
$custom: #3f1815;
$custom-light: #775652;
$custom-dark: #000000;
JSON
{
  "hex": "#3f1815",
  "rgb": {
    "r": 63,
    "g": 24,
    "b": 21
  },
  "hsl": {
    "h": 4.286,
    "s": 50,
    "l": 16.471
  },
  "oklch": {
    "l": 0.2675,
    "c": 0.06184,
    "h": 26.5
  },
  "luminance": 0.01764
}

Semantic roles & 50–950 ramp

primary
#3F1815
secondary
#397277
accent
#D0DA4E
background
#F7F5F4
surface
#EDE9E7
border
#C8C5C3
text
#090302
muted
#7B7878

Preview Lab

Preview with #3F1815

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

Preview Lab → · Contrast checker → · Palette generator →

#3F1815 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva