#101C5F#101C5F

#101C5F is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.9% C 0.119 H 268.6°. Best body text is #FFFFFF at 15.52:1 contrast (WCAG AA passes).

Color values

HEX#101C5F
RGBrgb(16, 28, 95)
HSLhsl(231, 71%, 22%)
HSVhsv(231, 83%, 37%)
CMYKcmyk(83.2%, 70.5%, 0%, 62.7%)
CIE-LABlab(14.21, 22.22, -41.13)
CIE-LCHlch(14.21, 46.75, 298.39°)
OKLaboklab(26.93% -0.0028 -0.119)
OKLCHoklch(26.93% 0.119 268.6)
XYZxyz(2.6938, 1.7666, 11.0233)
Luminance0.0177 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#101C5F #5F5310
analogous
#10445F #101C5F #2C105F
triadic
#101C5F #5F101C #1C5F10
tetradic
#101C5F #5F1044 #5F5310 #105F2C
square
#101C5F #5F1044 #5F5310 #105F2C
split-complementary
#101C5F #5F2C10 #445F10
monochromatic
#04081A #070D2B #101C5F #192B93 #223BC8

Accessibility & contrast

On white

15.52
#101C5F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.35
#101C5F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C5F
15.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##101C5F#FFFFFF#000000##FFFFFF
##101C5F1.0015.521.3515.52
#FFFFFF15.521.0021.001.00
#0000001.3521.001.0021.00
##FFFFFF15.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002861
Deuteranopia (green-blind)
#00205E
Tritanopia (blue-blind)
#002E3A
Achromatopsia (no color)
#242424

Design tokens & code

CSS
--color: #101c5f;
/* rgb */ color: rgb(16, 28, 95);
/* oklch */ color: oklch(26.9% 0.119 268.6);
Tailwind
colors: {
  custom: {
    50: '#5e588d',
    500: '#101c5f',
    950: '#000000',
  },
}
SCSS
$custom: #101c5f;
$custom-light: #5e588d;
$custom-dark: #000000;
JSON
{
  "hex": "#101c5f",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 95
  },
  "hsl": {
    "h": 230.886,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.26927,
    "c": 0.11906,
    "h": 268.6
  },
  "luminance": 0.01767
}

Semantic roles & 50–950 ramp

primary
#101C5F
secondary
#988933
accent
#D33AEE
background
#F5F5F8
surface
#EAE9F0
border
#C6C5CB
text
#05030C
muted
#79787D

Preview Lab

Preview with #101C5F

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

Preview Lab → · Contrast checker → · Palette generator →

#101C5F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva