#15105A#15105A

#15105A is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.6% C 0.125 H 275.1°. Best body text is #FFFFFF at 16.75:1 contrast (WCAG AA passes).

Color values

HEX#15105A
RGBrgb(21, 16, 90)
HSLhsl(244, 70%, 21%)
HSVhsv(244, 82%, 35%)
CMYKcmyk(76.7%, 82.2%, 0%, 64.7%)
CIE-LABlab(11.05, 28.85, -42.97)
CIE-LCHlch(11.05, 51.75, 303.88°)
OKLaboklab(24.57% 0.011 -0.1243)
OKLCHoklch(24.57% 0.125 275.1)
XYZxyz(2.3394, 1.2680, 9.7923)
Luminance0.0127 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15105A #555A10
analogous
#10305A #15105A #3A105A
triadic
#15105A #5A1510 #105A15
tetradic
#15105A #5A1030 #555A10 #105A3A
square
#15105A #5A1030 #555A10 #105A3A
split-complementary
#15105A #5A3A10 #305A10
monochromatic
#06051A #090726 #15105A #21198E #2D22C2

Accessibility & contrast

On white

16.75
#15105A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.25
#15105A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15105A
16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15105A#FFFFFF#000000##FFFFFF
##15105A1.0016.751.2516.75
#FFFFFF16.751.0021.001.00
#0000001.2521.001.0021.00
##FFFFFF16.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00215C
Deuteranopia (green-blind)
#001A59
Tritanopia (blue-blind)
#002634
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #15105a;
/* rgb */ color: rgb(21, 16, 90);
/* oklch */ color: oklch(24.6% 0.125 275.1);
Tailwind
colors: {
  custom: {
    50: '#5f508a',
    500: '#15105a',
    950: '#000000',
  },
}
SCSS
$custom: #15105a;
$custom-light: #5f508a;
$custom-dark: #000000;
JSON
{
  "hex": "#15105a",
  "rgb": {
    "r": 21,
    "g": 16,
    "b": 90
  },
  "hsl": {
    "h": 244.054,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24572,
    "c": 0.12475,
    "h": 275.1
  },
  "luminance": 0.01268
}

Semantic roles & 50–950 ramp

primary
#15105A
secondary
#8D9333
accent
#ED3BE1
background
#F6F4F8
surface
#EBE7F0
border
#C6C3CB
text
#05020C
muted
#7A787D

Preview Lab

Preview with #15105A

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

Preview Lab → · Contrast checker → · Palette generator →

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