#10105B#10105B

#10105B is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.4% C 0.128 H 271.8°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).

Color values

HEX#10105B
RGBrgb(16, 16, 91)
HSLhsl(240, 70%, 21%)
HSVhsv(240, 82%, 36%)
CMYKcmyk(82.4%, 82.4%, 0%, 64.3%)
CIE-LABlab(10.82, 28.74, -44.04)
CIE-LCHlch(10.82, 52.59, 303.13°)
OKLaboklab(24.35% 0.0039 -0.1275)
OKLCHoklch(24.35% 0.128 271.8)
XYZxyz(2.2867, 1.2358, 10.0135)
Luminance0.0124 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10105B #5B5B10
analogous
#10355B #10105B #35105B
triadic
#10105B #5B1010 #105B10
tetradic
#10105B #5B1035 #5B5B10 #105B35
square
#10105B #5B1035 #5B5B10 #105B35
split-complementary
#10105B #5B3510 #355B10
monochromatic
#05051A #070727 #10105B #19198F #2222C3

Accessibility & contrast

On white

16.84
#10105B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.25
#10105B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10105B
16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10105B#FFFFFF#000000##FFFFFF
##10105B1.0016.841.2516.84
#FFFFFF16.841.0021.001.00
#0000001.2521.001.0021.00
##FFFFFF16.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00215D
Deuteranopia (green-blind)
#00195A
Tritanopia (blue-blind)
#002735
Achromatopsia (no color)
#1D1D1D

Design tokens & code

CSS
--color: #10105b;
/* rgb */ color: rgb(16, 16, 91);
/* oklch */ color: oklch(24.4% 0.128 271.8);
Tailwind
colors: {
  custom: {
    50: '#5e4f8a',
    500: '#10105b',
    950: '#000000',
  },
}
SCSS
$custom: #10105b;
$custom-light: #5e4f8a;
$custom-dark: #000000;
JSON
{
  "hex": "#10105b",
  "rgb": {
    "r": 16,
    "g": 16,
    "b": 91
  },
  "hsl": {
    "h": 240,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.24352,
    "c": 0.12754,
    "h": 271.8
  },
  "luminance": 0.01236
}

Semantic roles & 50–950 ramp

primary
#10105B
secondary
#949433
accent
#ED3BED
background
#F5F4F8
surface
#EAE7F0
border
#C6C3CB
text
#05020C
muted
#79787D

Preview Lab

Preview with #10105B

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

Preview Lab → · Contrast checker → · Palette generator →

#10105B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva