#101A51#101A51

#101A51 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.0% C 0.101 H 269.6°. Best body text is #FFFFFF at 16.30:1 contrast (WCAG AA passes).

Color values

HEX#101A51
RGBrgb(16, 26, 81)
HSLhsl(231, 67%, 19%)
HSVhsv(231, 80%, 32%)
CMYKcmyk(80.2%, 67.9%, 0%, 68.2%)
CIE-LABlab(12.24, 17.86, -34.91)
CIE-LCHlch(12.24, 39.21, 297.09°)
OKLaboklab(25.04% -0.0008 -0.1009)
OKLCHoklch(25.04% 0.101 269.6)
XYZxyz(2.0678, 1.4428, 7.9525)
Luminance0.0144 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#101A51 #514710
analogous
#103B51 #101A51 #271051
triadic
#101A51 #51101A #1A5110
tetradic
#101A51 #51103B #514710 #105127
square
#101A51 #51103B #514710 #105127
split-complementary
#101A51 #512710 #3B5110
monochromatic
#05081A #060A1E #101A51 #1A2A84 #243BB7

Accessibility & contrast

On white

16.30
#101A51 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.29
#101A51 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A51
16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##101A51#FFFFFF#000000##FFFFFF
##101A511.0016.301.2916.30
#FFFFFF16.301.0021.001.00
#0000001.2921.001.0021.00
##FFFFFF16.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002353
Deuteranopia (green-blind)
#001D50
Tritanopia (blue-blind)
#002832
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #101a51;
/* rgb */ color: rgb(16, 26, 81);
/* oklch */ color: oklch(25.0% 0.101 269.6);
Tailwind
colors: {
  custom: {
    50: '#5a5682',
    500: '#101a51',
    950: '#000000',
  },
}
SCSS
$custom: #101a51;
$custom-light: #5a5682;
$custom-dark: #000000;
JSON
{
  "hex": "#101a51",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 81
  },
  "hsl": {
    "h": 230.769,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.25044,
    "c": 0.10086,
    "h": 269.6
  },
  "luminance": 0.01443
}

Semantic roles & 50–950 ramp

primary
#101A51
secondary
#8B7D32
accent
#CF3EEA
background
#F5F5F8
surface
#E9E9EF
border
#C5C5CA
text
#04030A
muted
#79787C

Preview Lab

Preview with #101A51

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

Preview Lab → · Contrast checker → · Palette generator →

#101A51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva