#101C53#101C53

#101C53 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.7% C 0.101 H 268.6°. Best body text is #FFFFFF at 15.99:1 contrast (WCAG AA passes).

Color values

HEX#101C53
RGBrgb(16, 28, 83)
HSLhsl(229, 68%, 19%)
HSVhsv(229, 81%, 33%)
CMYKcmyk(80.7%, 66.3%, 0%, 67.5%)
CIE-LABlab(13.02, 17.21, -35.01)
CIE-LCHlch(13.02, 39.01, 296.17°)
OKLaboklab(25.68% -0.0024 -0.1011)
OKLCHoklch(25.68% 0.101 268.6)
XYZxyz(2.1897, 1.5650, 8.3686)
Luminance0.0157 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#101C53 #534710
analogous
#103E53 #101C53 #261053
triadic
#101C53 #53101C #1C5310
tetradic
#101C53 #53103E #534710 #105326
square
#101C53 #53103E #534710 #105326
split-complementary
#101C53 #532610 #3E5310
monochromatic
#05091A #060B20 #101C53 #1A2D86 #243FBA

Accessibility & contrast

On white

15.99
#101C53 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.31
#101C53 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C53
15.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##101C53#FFFFFF#000000##FFFFFF
##101C531.0015.991.3115.99
#FFFFFF15.991.0021.001.00
#0000001.3121.001.0021.00
##FFFFFF15.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002555
Deuteranopia (green-blind)
#001F52
Tritanopia (blue-blind)
#002A34
Achromatopsia (no color)
#222222

Design tokens & code

CSS
--color: #101c53;
/* rgb */ color: rgb(16, 28, 83);
/* oklch */ color: oklch(25.7% 0.101 268.6);
Tailwind
colors: {
  custom: {
    50: '#5a5784',
    500: '#101c53',
    950: '#000000',
  },
}
SCSS
$custom: #101c53;
$custom-light: #5a5784;
$custom-dark: #000000;
JSON
{
  "hex": "#101c53",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 83
  },
  "hsl": {
    "h": 229.254,
    "s": 67.677,
    "l": 19.412
  },
  "oklch": {
    "l": 0.25678,
    "c": 0.10115,
    "h": 268.6
  },
  "luminance": 0.01565
}

Semantic roles & 50–950 ramp

primary
#101C53
secondary
#8D7C32
accent
#CC3DEB
background
#F5F5F8
surface
#E9E9EF
border
#C5C5CA
text
#04030B
muted
#79787C

Preview Lab

Preview with #101C53

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

Preview Lab → · Contrast checker → · Palette generator →

#101C53 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva