#101C55#101C55

#101C55 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.104 H 268.7°. Best body text is #FFFFFF at 15.92:1 contrast (WCAG AA passes).

Color values

HEX#101C55
RGBrgb(16, 28, 85)
HSLhsl(230, 68%, 20%)
HSVhsv(230, 81%, 33%)
CMYKcmyk(81.2%, 67.1%, 0%, 66.7%)
CIE-LABlab(13.21, 18.05, -36.05)
CIE-LCHlch(13.21, 40.32, 296.60°)
OKLaboklab(25.88% -0.0024 -0.1042)
OKLCHoklch(25.88% 0.104 268.7)
XYZxyz(2.2681, 1.5963, 8.7812)
Luminance0.0160 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#101C55 #554910
analogous
#103F55 #101C55 #261055
triadic
#101C55 #55101C #1C5510
tetradic
#101C55 #55103F #554910 #105526
square
#101C55 #55103F #554910 #105526
split-complementary
#101C55 #552610 #3F5510
monochromatic
#05081A #060B21 #101C55 #1A2D89 #233EBC

Accessibility & contrast

On white

15.92
#101C55 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.32
#101C55 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C55
15.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##101C55#FFFFFF#000000##FFFFFF
##101C551.0015.921.3215.92
#FFFFFF15.921.0021.001.00
#0000001.3221.001.0021.00
##FFFFFF15.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002557
Deuteranopia (green-blind)
#001F54
Tritanopia (blue-blind)
#002B35
Achromatopsia (no color)
#222222

Design tokens & code

CSS
--color: #101c55;
/* rgb */ color: rgb(16, 28, 85);
/* oklch */ color: oklch(25.9% 0.104 268.7);
Tailwind
colors: {
  custom: {
    50: '#5b5785',
    500: '#101c55',
    950: '#000000',
  },
}
SCSS
$custom: #101c55;
$custom-light: #5b5785;
$custom-dark: #000000;
JSON
{
  "hex": "#101c55",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 85
  },
  "hsl": {
    "h": 229.565,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.2588,
    "c": 0.10421,
    "h": 268.7
  },
  "luminance": 0.01597
}

Semantic roles & 50–950 ramp

primary
#101C55
secondary
#8F7E32
accent
#CD3DEB
background
#F5F5F8
surface
#E9E9EF
border
#C5C5CA
text
#04030B
muted
#79787C

Preview Lab

Preview with #101C55

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

Preview Lab → · Contrast checker → · Palette generator →

#101C55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva