#101556#101556

#101556 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.6% C 0.115 H 271.1°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX#101556
RGBrgb(16, 21, 86)
HSLhsl(236, 69%, 20%)
HSVhsv(236, 81%, 34%)
CMYKcmyk(81.4%, 75.6%, 0%, 66.3%)
CIE-LABlab(11.40, 23.54, -39.69)
CIE-LCHlch(11.40, 46.15, 300.67°)
OKLaboklab(24.59% 0.0023 -0.1149)
OKLCHoklch(24.59% 0.115 271.1)
XYZxyz(2.1610, 1.3181, 8.9428)
Luminance0.0132 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#101556 #565110
analogous
#103856 #101556 #2E1056
triadic
#101556 #561015 #155610
tetradic
#101556 #561038 #565110 #10562E
square
#101556 #561038 #565110 #10562E
split-complementary
#101556 #562E10 #385610
monochromatic
#05061A #060822 #101556 #1A228A #232EBD

Accessibility & contrast

On white

16.62
#101556 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.26
#101556 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101556
16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##101556#FFFFFF#000000##FFFFFF
##1015561.0016.621.2616.62
#FFFFFF16.621.0021.001.00
#0000001.2621.001.0021.00
##FFFFFF16.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002258
Deuteranopia (green-blind)
#001B55
Tritanopia (blue-blind)
#002733
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #101556;
/* rgb */ color: rgb(16, 21, 86);
/* oklch */ color: oklch(24.6% 0.115 271.1);
Tailwind
colors: {
  custom: {
    50: '#5c5286',
    500: '#101556',
    950: '#000000',
  },
}
SCSS
$custom: #101556;
$custom-light: #5c5286;
$custom-dark: #000000;
JSON
{
  "hex": "#101556",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 86
  },
  "hsl": {
    "h": 235.714,
    "s": 68.627,
    "l": 20
  },
  "oklch": {
    "l": 0.24592,
    "c": 0.11489,
    "h": 271.1
  },
  "luminance": 0.01318
}

Semantic roles & 50–950 ramp

primary
#101556
secondary
#8F8932
accent
#DF3CEB
background
#F5F4F8
surface
#E9E7EF
border
#C5C3CA
text
#05020B
muted
#79787C

Preview Lab

Preview with #101556

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

Preview Lab → · Contrast checker → · Palette generator →

#101556 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva