#100F49#100F49

#100F49 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 22.0% C 0.103 H 274.6°. Best body text is #FFFFFF at 17.70:1 contrast (WCAG AA passes).

Color values

HEX#100F49
RGBrgb(16, 15, 73)
HSLhsl(241, 66%, 17%)
HSVhsv(241, 79%, 29%)
CMYKcmyk(78.1%, 79.5%, 0%, 71.4%)
CIE-LABlab(8.42, 22.54, -35.66)
CIE-LCHlch(8.42, 42.18, 302.30°)
OKLaboklab(22% 0.0082 -0.1031)
OKLCHoklch(22% 0.103 274.6)
XYZxyz(1.5867, 0.9327, 6.3984)
Luminance0.0093 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#100F49 #48490F
analogous
#0F2B49 #100F49 #2D0F49
triadic
#100F49 #49100F #0F4910
tetradic
#100F49 #490F2B #48490F #0F492D
square
#100F49 #490F2B #48490F #0F492D
split-complementary
#100F49 #492D0F #2B490F
monochromatic
#060519 #060519 #100F49 #1B197C #2624AF

Accessibility & contrast

On white

17.70
#100F49 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.19
#100F49 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100F49
17.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##100F49#FFFFFF#000000##FFFFFF
##100F491.0017.701.1917.70
#FFFFFF17.701.0021.001.00
#0000001.1921.001.0021.00
##FFFFFF17.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001B4B
Deuteranopia (green-blind)
#001648
Tritanopia (blue-blind)
#001F2A
Achromatopsia (no color)
#181818

Design tokens & code

CSS
--color: #100f49;
/* rgb */ color: rgb(16, 15, 73);
/* oklch */ color: oklch(22.0% 0.103 274.6);
Tailwind
colors: {
  custom: {
    50: '#594e7c',
    500: '#100f49',
    950: '#000000',
  },
}
SCSS
$custom: #100f49;
$custom-light: #594e7c;
$custom-dark: #000000;
JSON
{
  "hex": "#100f49",
  "rgb": {
    "r": 16,
    "g": 15,
    "b": 73
  },
  "hsl": {
    "h": 241.034,
    "s": 65.909,
    "l": 17.255
  },
  "oklch": {
    "l": 0.22003,
    "c": 0.10342,
    "h": 274.6
  },
  "luminance": 0.00933
}

Semantic roles & 50–950 ramp

primary
#100F49
secondary
#828330
accent
#E93FE6
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#040109
muted
#79777B

Preview Lab

Preview with #100F49

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

Preview Lab → · Contrast checker → · Palette generator →

#100F49 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva