#101B54#101B54

#101B54 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.6% C 0.104 H 269.1°. Best body text is #FFFFFF at 16.07:1 contrast (WCAG AA passes).

Color values

HEX#101B54
RGBrgb(16, 27, 84)
HSLhsl(230, 68%, 20%)
HSVhsv(230, 81%, 33%)
CMYKcmyk(81%, 67.9%, 0%, 67.1%)
CIE-LABlab(12.82, 18.38, -36.00)
CIE-LCHlch(12.82, 40.42, 297.04°)
OKLaboklab(25.56% -0.0016 -0.104)
OKLCHoklch(25.56% 0.104 269.1)
XYZxyz(2.2053, 1.5339, 8.5656)
Luminance0.0153 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#101B54 #544910
analogous
#103D54 #101B54 #271054
triadic
#101B54 #54101B #1B5410
tetradic
#101B54 #54103D #544910 #105427
square
#101B54 #54103D #544910 #105427
split-complementary
#101B54 #542710 #3D5410
monochromatic
#05081A #060A21 #101B54 #1A2C87 #243CBB

Accessibility & contrast

On white

16.07
#101B54 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.31
#101B54 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101B54
16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##101B54#FFFFFF#000000##FFFFFF
##101B541.0016.071.3116.07
#FFFFFF16.071.0021.001.00
#0000001.3121.001.0021.00
##FFFFFF16.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002456
Deuteranopia (green-blind)
#001E53
Tritanopia (blue-blind)
#002A34
Achromatopsia (no color)
#212121

Design tokens & code

CSS
--color: #101b54;
/* rgb */ color: rgb(16, 27, 84);
/* oklch */ color: oklch(25.6% 0.104 269.1);
Tailwind
colors: {
  custom: {
    50: '#5a5785',
    500: '#101b54',
    950: '#000000',
  },
}
SCSS
$custom: #101b54;
$custom-light: #5a5785;
$custom-dark: #000000;
JSON
{
  "hex": "#101b54",
  "rgb": {
    "r": 16,
    "g": 27,
    "b": 84
  },
  "hsl": {
    "h": 230.294,
    "s": 68,
    "l": 19.608
  },
  "oklch": {
    "l": 0.25564,
    "c": 0.10406,
    "h": 269.1
  },
  "luminance": 0.01534
}

Semantic roles & 50–950 ramp

primary
#101B54
secondary
#8E7F32
accent
#CF3DEB
background
#F5F5F8
surface
#E9E9EF
border
#C5C5CA
text
#04030B
muted
#79787C

Preview Lab

Preview with #101B54

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

Preview Lab → · Contrast checker → · Palette generator →

#101B54 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva