#10306F#10306F

#10306F is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.8% C 0.116 H 262.0°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX#10306F
RGBrgb(16, 48, 111)
HSLhsl(220, 75%, 25%)
HSVhsv(220, 86%, 44%)
CMYKcmyk(85.6%, 56.8%, 0%, 56.5%)
CIE-LABlab(21.47, 14.38, -39.75)
CIE-LCHlch(21.47, 42.27, 289.89°)
OKLaboklab(32.8% -0.0161 -0.1147)
OKLCHoklch(32.8% 0.116 262)
XYZxyz(4.1388, 3.3713, 15.4684)
Luminance0.0337 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10306F #6F4F10
analogous
#10606F #10306F #1F106F
triadic
#10306F #6F1030 #306F10
tetradic
#10306F #6F1060 #6F4F10 #106F1F
square
#10306F #6F1060 #6F4F10 #106F1F
split-complementary
#10306F #6F1F10 #606F10
monochromatic
#040C1B #08193A #10306F #1847A4 #1F5EDA

Accessibility & contrast

On white

12.54
#10306F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.67
#10306F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10306F
12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10306F#FFFFFF#000000##FFFFFF
##10306F1.0012.541.6712.54
#FFFFFF12.541.0021.001.00
#0000001.6721.001.0021.00
##FFFFFF12.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003871
Deuteranopia (green-blind)
#002F6E
Tritanopia (blue-blind)
#00404A
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #10306f;
/* rgb */ color: rgb(16, 48, 111);
/* oklch */ color: oklch(32.8% 0.116 262.0);
Tailwind
colors: {
  custom: {
    50: '#616799',
    500: '#10306f',
    950: '#000000',
  },
}
SCSS
$custom: #10306f;
$custom-light: #616799;
$custom-dark: #000000;
JSON
{
  "hex": "#10306f",
  "rgb": {
    "r": 16,
    "g": 48,
    "b": 111
  },
  "hsl": {
    "h": 219.789,
    "s": 74.803,
    "l": 24.902
  },
  "oklch": {
    "l": 0.32802,
    "c": 0.11581,
    "h": 262
  },
  "luminance": 0.03372
}

Semantic roles & 50–950 ramp

primary
#10306F
secondary
#A78034
accent
#B236F1
background
#F6F6F9
surface
#EBEBF2
border
#C6C6CC
text
#06060E
muted
#7A7A7E

Preview Lab

Preview with #10306F

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

Preview Lab → · Contrast checker → · Palette generator →

#10306F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva