#10305F#10305F

#10305F is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.5% C 0.092 H 258.4°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX#10305F
RGBrgb(16, 48, 95)
HSLhsl(216, 71%, 22%)
HSVhsv(216, 83%, 37%)
CMYKcmyk(83.2%, 49.5%, 0%, 62.7%)
CIE-LABlab(20.24, 7.48, -31.33)
CIE-LCHlch(20.24, 32.21, 283.43°)
OKLaboklab(31.47% -0.0185 -0.0899)
OKLCHoklch(31.47% 0.092 258.4)
XYZxyz(3.3354, 3.0499, 11.2372)
Luminance0.0305 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10305F #5F3F10
analogous
#10585F #10305F #18105F
triadic
#10305F #5F1030 #305F10
tetradic
#10305F #5F1058 #5F3F10 #105F18
square
#10305F #5F1058 #5F3F10 #105F18
split-complementary
#10305F #5F1810 #585F10
monochromatic
#040D1A #07162B #10305F #194A93 #2265C8

Accessibility & contrast

On white

13.04
#10305F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.61
#10305F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10305F
13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10305F#FFFFFF#000000##FFFFFF
##10305F1.0013.041.6113.04
#FFFFFF13.041.0021.001.00
#0000001.6121.001.0021.00
##FFFFFF13.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#173561
Deuteranopia (green-blind)
#042D5E
Tritanopia (blue-blind)
#003B42
Achromatopsia (no color)
#313131

Design tokens & code

CSS
--color: #10305f;
/* rgb */ color: rgb(16, 48, 95);
/* oklch */ color: oklch(31.5% 0.092 258.4);
Tailwind
colors: {
  custom: {
    50: '#5c678d',
    500: '#10305f',
    950: '#000000',
  },
}
SCSS
$custom: #10305f;
$custom-light: #5c678d;
$custom-dark: #000000;
JSON
{
  "hex": "#10305f",
  "rgb": {
    "r": 16,
    "g": 48,
    "b": 95
  },
  "hsl": {
    "h": 215.696,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.31469,
    "c": 0.09179,
    "h": 258.4
  },
  "luminance": 0.0305
}

Semantic roles & 50–950 ramp

primary
#10305F
secondary
#986F33
accent
#A53AEE
background
#F5F6F8
surface
#E9EBF0
border
#C5C6CB
text
#05060C
muted
#797A7D

Preview Lab

Preview with #10305F

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

Preview Lab → · Contrast checker → · Palette generator →

#10305F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva