#101C42#101C42

#101C42 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.1% C 0.074 H 267.4°. Best body text is #FFFFFF at 16.58:1 contrast (WCAG AA passes).

Color values

HEX#101C42
RGBrgb(16, 28, 66)
HSLhsl(226, 61%, 16%)
HSVhsv(226, 76%, 26%)
CMYKcmyk(75.8%, 57.6%, 0%, 74.1%)
CIE-LABlab(11.51, 9.88, -25.71)
CIE-LCHlch(11.51, 27.54, 291.03°)
OKLaboklab(24.08% -0.0033 -0.0738)
OKLCHoklch(24.08% 0.074 267.4)
XYZxyz(1.6120, 1.3339, 5.3257)
Luminance0.0133 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#101C42 #423610
analogous
#103542 #101C42 #1D1042
triadic
#101C42 #42101C #1C4210
tetradic
#101C42 #421035 #423610 #10421D
square
#101C42 #421035 #423610 #10421D
split-complementary
#101C42 #421D10 #354210
monochromatic
#060A19 #060A19 #101C42 #1C3173 #2846A5

Accessibility & contrast

On white

16.58
#101C42 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.27
#101C42 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C42
16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##101C42#FFFFFF#000000##FFFFFF
##101C421.0016.581.2716.58
#FFFFFF16.581.0021.001.00
#0000001.2721.001.0021.00
##FFFFFF16.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#062143
Deuteranopia (green-blind)
#001C41
Tritanopia (blue-blind)
#00252B
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #101c42;
/* rgb */ color: rgb(16, 28, 66);
/* oklch */ color: oklch(24.1% 0.074 267.4);
Tailwind
colors: {
  custom: {
    50: '#555777',
    500: '#101c42',
    950: '#000000',
  },
}
SCSS
$custom: #101c42;
$custom-light: #555777;
$custom-dark: #000000;
JSON
{
  "hex": "#101c42",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 66
  },
  "hsl": {
    "h": 225.6,
    "s": 60.976,
    "l": 16.078
  },
  "oklch": {
    "l": 0.24075,
    "c": 0.07386,
    "h": 267.4
  },
  "luminance": 0.01334
}

Semantic roles & 50–950 ramp

primary
#101C42
secondary
#7C6A32
accent
#BE44E4
background
#F5F5F7
surface
#E9E9ED
border
#C5C5C8
text
#030308
muted
#78787B

Preview Lab

Preview with #101C42

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

Preview Lab → · Contrast checker → · Palette generator →

#101C42 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva