#101B53#101B53

#101B53 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.5% C 0.103 H 269.1°. Best body text is #FFFFFF at 16.11:1 contrast (WCAG AA passes).

Color values

HEX#101B53
RGBrgb(16, 27, 83)
HSLhsl(230, 68%, 19%)
HSVhsv(230, 81%, 33%)
CMYKcmyk(80.7%, 67.5%, 0%, 67.5%)
CIE-LABlab(12.72, 17.96, -35.48)
CIE-LCHlch(12.72, 39.77, 296.84°)
OKLaboklab(25.46% -0.0016 -0.1025)
OKLCHoklch(25.46% 0.103 269.1)
XYZxyz(2.1664, 1.5183, 8.3608)
Luminance0.0152 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#101B53 #534810
analogous
#103D53 #101B53 #271053
triadic
#101B53 #53101B #1B5310
tetradic
#101B53 #53103D #534810 #105327
square
#101B53 #53103D #534810 #105327
split-complementary
#101B53 #532710 #3D5310
monochromatic
#05081A #060A20 #101B53 #1A2C86 #243CBA

Accessibility & contrast

On white

16.11
#101B53 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.30
#101B53 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101B53
16.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##101B53#FFFFFF#000000##FFFFFF
##101B531.0016.111.3016.11
#FFFFFF16.111.0021.001.00
#0000001.3021.001.0021.00
##FFFFFF16.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002455
Deuteranopia (green-blind)
#001E52
Tritanopia (blue-blind)
#002934
Achromatopsia (no color)
#212121

Design tokens & code

CSS
--color: #101b53;
/* rgb */ color: rgb(16, 27, 83);
/* oklch */ color: oklch(25.5% 0.103 269.1);
Tailwind
colors: {
  custom: {
    50: '#5a5784',
    500: '#101b53',
    950: '#000000',
  },
}
SCSS
$custom: #101b53;
$custom-light: #5a5784;
$custom-dark: #000000;
JSON
{
  "hex": "#101b53",
  "rgb": {
    "r": 16,
    "g": 27,
    "b": 83
  },
  "hsl": {
    "h": 230.149,
    "s": 67.677,
    "l": 19.412
  },
  "oklch": {
    "l": 0.25462,
    "c": 0.10254,
    "h": 269.1
  },
  "luminance": 0.01519
}

Semantic roles & 50–950 ramp

primary
#101B53
secondary
#8D7E32
accent
#CE3DEB
background
#F5F5F8
surface
#E9E9EF
border
#C5C5CA
text
#04030B
muted
#79787C

Preview Lab

Preview with #101B53

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

Preview Lab → · Contrast checker → · Palette generator →

#101B53 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva