#100E4B#100E4B

#100E4B is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 22.1% C 0.107 H 274.5°. Best body text is #FFFFFF at 17.70:1 contrast (WCAG AA passes).

Color values

HEX#100E4B
RGBrgb(16, 14, 75)
HSLhsl(242, 69%, 17%)
HSVhsv(242, 81%, 29%)
CMYKcmyk(78.7%, 81.3%, 0%, 70.6%)
CIE-LABlab(8.41, 23.98, -37.06)
CIE-LCHlch(8.41, 44.14, 302.91°)
OKLaboklab(22.07% 0.0084 -0.1072)
OKLCHoklch(22.07% 0.108 274.5)
XYZxyz(1.6403, 0.9321, 6.7487)
Luminance0.0093 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#100E4B #494B0E
analogous
#0E2B4B #100E4B #2E0E4B
triadic
#100E4B #4B100E #0E4B10
tetradic
#100E4B #4B0E2B #494B0E #0E4B2E
square
#100E4B #4B0E2B #494B0E #0E4B2E
split-complementary
#100E4B #4B2E0E #2B4B0E
monochromatic
#06051A #06051A #100E4B #1B187F #2621B2

Accessibility & contrast

On white

17.70
#100E4B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.19
#100E4B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E4B
17.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##100E4B#FFFFFF#000000##FFFFFF
##100E4B1.0017.701.1917.70
#FFFFFF17.701.0021.001.00
#0000001.1921.001.0021.00
##FFFFFF17.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001B4D
Deuteranopia (green-blind)
#00154A
Tritanopia (blue-blind)
#001F2B
Achromatopsia (no color)
#181818

Design tokens & code

CSS
--color: #100e4b;
/* rgb */ color: rgb(16, 14, 75);
/* oklch */ color: oklch(22.1% 0.107 274.5);
Tailwind
colors: {
  custom: {
    50: '#594d7e',
    500: '#100e4b',
    950: '#000000',
  },
}
SCSS
$custom: #100e4b;
$custom-light: #594d7e;
$custom-dark: #000000;
JSON
{
  "hex": "#100e4b",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 75
  },
  "hsl": {
    "h": 241.967,
    "s": 68.539,
    "l": 17.451
  },
  "oklch": {
    "l": 0.2207,
    "c": 0.1075,
    "h": 274.5
  },
  "luminance": 0.00932
}

Semantic roles & 50–950 ramp

primary
#100E4B
secondary
#83862F
accent
#EB3CE6
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#04010A
muted
#79777C

Preview Lab

Preview with #100E4B

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

Preview Lab → · Contrast checker → · Palette generator →

#100E4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva