#101548#101548

#101548 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.1% C 0.094 H 272.3°. Best body text is #FFFFFF at 17.17:1 contrast (WCAG AA passes).

Color values

HEX#101548
RGBrgb(16, 21, 72)
HSLhsl(235, 64%, 17%)
HSVhsv(235, 78%, 28%)
CMYKcmyk(77.8%, 70.8%, 0%, 71.8%)
CIE-LABlab(9.91, 17.82, -32.51)
CIE-LCHlch(9.91, 37.08, 298.73°)
OKLaboklab(23.05% 0.0037 -0.0939)
OKLCHoklch(23.05% 0.094 272.3)
XYZxyz(1.6512, 1.1142, 6.2577)
Luminance0.0111 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#101548 #484310
analogous
#103148 #101548 #271048
triadic
#101548 #481015 #154810
tetradic
#101548 #481031 #484310 #104827
square
#101548 #481031 #484310 #104827
split-complementary
#101548 #482710 #314810
monochromatic
#060719 #060719 #101548 #1B247A #2632AC

Accessibility & contrast

On white

17.17
#101548 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.22
#101548 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101548
17.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##101548#FFFFFF#000000##FFFFFF
##1015481.0017.171.2217.17
#FFFFFF17.171.0021.001.00
#0000001.2221.001.0021.00
##FFFFFF17.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001E4A
Deuteranopia (green-blind)
#001947
Tritanopia (blue-blind)
#00222C
Achromatopsia (no color)
#1B1B1B

Design tokens & code

CSS
--color: #101548;
/* rgb */ color: rgb(16, 21, 72);
/* oklch */ color: oklch(23.1% 0.094 272.3);
Tailwind
colors: {
  custom: {
    50: '#58527c',
    500: '#101548',
    950: '#000000',
  },
}
SCSS
$custom: #101548;
$custom-light: #58527c;
$custom-dark: #000000;
JSON
{
  "hex": "#101548",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 72
  },
  "hsl": {
    "h": 234.643,
    "s": 63.636,
    "l": 17.255
  },
  "oklch": {
    "l": 0.23051,
    "c": 0.09394,
    "h": 272.3
  },
  "luminance": 0.01114
}

Semantic roles & 50–950 ramp

primary
#101548
secondary
#827B32
accent
#D841E7
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#040209
muted
#79787B

Preview Lab

Preview with #101548

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

Preview Lab → · Contrast checker → · Palette generator →

#101548 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva