#101D53#101D53

#101D53 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.100 H 268.2°. Best body text is #FFFFFF at 15.88:1 contrast (WCAG AA passes).

Color values

HEX#101D53
RGBrgb(16, 29, 83)
HSLhsl(228, 68%, 19%)
HSVhsv(228, 81%, 33%)
CMYKcmyk(80.7%, 65.1%, 0%, 67.5%)
CIE-LABlab(13.31, 16.45, -34.53)
CIE-LCHlch(13.31, 38.25, 295.48°)
OKLaboklab(25.9% -0.0032 -0.0997)
OKLCHoklch(25.9% 0.1 268.2)
XYZxyz(2.2138, 1.6132, 8.3766)
Luminance0.0161 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#101D53 #534610
analogous
#103F53 #101D53 #251053
triadic
#101D53 #53101D #1D5310
tetradic
#101D53 #53103F #534610 #105325
square
#101D53 #53103F #534610 #105325
split-complementary
#101D53 #532510 #3F5310
monochromatic
#05091A #060B20 #101D53 #1A2F86 #2441BA

Accessibility & contrast

On white

15.88
#101D53 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.32
#101D53 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101D53
15.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##101D53#FFFFFF#000000##FFFFFF
##101D531.0015.881.3215.88
#FFFFFF15.881.0021.001.00
#0000001.3221.001.0021.00
##FFFFFF15.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002555
Deuteranopia (green-blind)
#001F52
Tritanopia (blue-blind)
#002B34
Achromatopsia (no color)
#222222

Design tokens & code

CSS
--color: #101d53;
/* rgb */ color: rgb(16, 29, 83);
/* oklch */ color: oklch(25.9% 0.100 268.2);
Tailwind
colors: {
  custom: {
    50: '#5a5884',
    500: '#101d53',
    950: '#000000',
  },
}
SCSS
$custom: #101d53;
$custom-light: #5a5884;
$custom-dark: #000000;
JSON
{
  "hex": "#101d53",
  "rgb": {
    "r": 16,
    "g": 29,
    "b": 83
  },
  "hsl": {
    "h": 228.358,
    "s": 67.677,
    "l": 19.412
  },
  "oklch": {
    "l": 0.25897,
    "c": 0.09974,
    "h": 268.2
  },
  "luminance": 0.01613
}

Semantic roles & 50–950 ramp

primary
#101D53
secondary
#8D7B32
accent
#C93DEB
background
#F5F5F8
surface
#E9E9EF
border
#C5C5CA
text
#04030B
muted
#79787C

Preview Lab

Preview with #101D53

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

Preview Lab → · Contrast checker → · Palette generator →

#101D53 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva