#101D52#101D52

#101D52 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.8% C 0.098 H 268.1°. Best body text is #FFFFFF at 15.91:1 contrast (WCAG AA passes).

Color values

HEX#101D52
RGBrgb(16, 29, 82)
HSLhsl(228, 67%, 19%)
HSVhsv(228, 80%, 32%)
CMYKcmyk(80.5%, 64.6%, 0%, 67.8%)
CIE-LABlab(13.22, 16.03, -34.00)
CIE-LCHlch(13.22, 37.59, 295.24°)
OKLaboklab(25.8% -0.0032 -0.0981)
OKLCHoklch(25.8% 0.098 268.1)
XYZxyz(2.1755, 1.5979, 8.1748)
Luminance0.0160 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#101D52 #524510
analogous
#103E52 #101D52 #241052
triadic
#101D52 #52101D #1D5210
tetradic
#101D52 #52103E #524510 #105224
square
#101D52 #52103E #524510 #105224
split-complementary
#101D52 #522410 #3E5210
monochromatic
#05091A #060B1F #101D52 #1A2F85 #2441B8

Accessibility & contrast

On white

15.91
#101D52 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.32
#101D52 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101D52
15.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##101D52#FFFFFF#000000##FFFFFF
##101D521.0015.911.3215.91
#FFFFFF15.911.0021.001.00
#0000001.3221.001.0021.00
##FFFFFF15.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002554
Deuteranopia (green-blind)
#001F51
Tritanopia (blue-blind)
#002A34
Achromatopsia (no color)
#222222

Design tokens & code

CSS
--color: #101d52;
/* rgb */ color: rgb(16, 29, 82);
/* oklch */ color: oklch(25.8% 0.098 268.1);
Tailwind
colors: {
  custom: {
    50: '#5a5883',
    500: '#101d52',
    950: '#000000',
  },
}
SCSS
$custom: #101d52;
$custom-light: #5a5883;
$custom-dark: #000000;
JSON
{
  "hex": "#101d52",
  "rgb": {
    "r": 16,
    "g": 29,
    "b": 82
  },
  "hsl": {
    "h": 228.182,
    "s": 67.347,
    "l": 19.216
  },
  "oklch": {
    "l": 0.25798,
    "c": 0.09819,
    "h": 268.1
  },
  "luminance": 0.01598
}

Semantic roles & 50–950 ramp

primary
#101D52
secondary
#8C7A32
accent
#C83EEA
background
#F5F5F8
surface
#E9E9EF
border
#C5C5CA
text
#04030B
muted
#79787C

Preview Lab

Preview with #101D52

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

Preview Lab → · Contrast checker → · Palette generator →

#101D52 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva