#15105B#15105B

#15105B is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.7% C 0.126 H 274.9°. Best body text is #FFFFFF at 16.71:1 contrast (WCAG AA passes).

Color values

HEX#15105B
RGBrgb(21, 16, 91)
HSLhsl(244, 70%, 21%)
HSVhsv(244, 82%, 36%)
CMYKcmyk(76.9%, 82.4%, 0%, 64.3%)
CIE-LABlab(11.17, 29.21, -43.44)
CIE-LCHlch(11.17, 52.35, 303.92°)
OKLaboklab(24.69% 0.0108 -0.1256)
OKLCHoklch(24.69% 0.126 274.9)
XYZxyz(2.3823, 1.2851, 10.0180)
Luminance0.0129 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15105B #565B10
analogous
#10305B #15105B #3A105B
triadic
#15105B #5B1510 #105B15
tetradic
#15105B #5B1030 #565B10 #105B3A
square
#15105B #5B1030 #565B10 #105B3A
split-complementary
#15105B #5B3A10 #305B10
monochromatic
#06051A #090727 #15105B #21198F #2D22C3

Accessibility & contrast

On white

16.71
#15105B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.26
#15105B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15105B
16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15105B#FFFFFF#000000##FFFFFF
##15105B1.0016.711.2616.71
#FFFFFF16.711.0021.001.00
#0000001.2621.001.0021.00
##FFFFFF16.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00215D
Deuteranopia (green-blind)
#001A5A
Tritanopia (blue-blind)
#002635
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #15105b;
/* rgb */ color: rgb(21, 16, 91);
/* oklch */ color: oklch(24.7% 0.126 274.9);
Tailwind
colors: {
  custom: {
    50: '#60508a',
    500: '#15105b',
    950: '#000000',
  },
}
SCSS
$custom: #15105b;
$custom-light: #60508a;
$custom-dark: #000000;
JSON
{
  "hex": "#15105b",
  "rgb": {
    "r": 21,
    "g": 16,
    "b": 91
  },
  "hsl": {
    "h": 244,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.24693,
    "c": 0.12609,
    "h": 274.9
  },
  "luminance": 0.01285
}

Semantic roles & 50–950 ramp

primary
#15105B
secondary
#8E9433
accent
#ED3BE1
background
#F6F4F8
surface
#EBE7F0
border
#C6C3CB
text
#05020C
muted
#7A787D

Preview Lab

Preview with #15105B

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

Preview Lab → · Contrast checker → · Palette generator →

#15105B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva