#10306A#10306A

#10306A is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.4% C 0.108 H 261.1°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX#10306A
RGBrgb(16, 48, 106)
HSLhsl(219, 74%, 24%)
HSVhsv(219, 85%, 42%)
CMYKcmyk(84.9%, 54.7%, 0%, 58.4%)
CIE-LABlab(21.07, 12.24, -37.17)
CIE-LCHlch(21.07, 39.13, 288.22°)
OKLaboklab(32.37% -0.0167 -0.1071)
OKLCHoklch(32.37% 0.108 261.1)
XYZxyz(3.8712, 3.2642, 14.0589)
Luminance0.0326 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10306A #6A4A10
analogous
#105D6A #10306A #1D106A
triadic
#10306A #6A1030 #306A10
tetradic
#10306A #6A105D #6A4A10 #106A1D
square
#10306A #6A105D #6A4A10 #106A1D
split-complementary
#10306A #6A1D10 #5D6A10
monochromatic
#040C1B #081835 #10306A #18489F #2060D4

Accessibility & contrast

On white

12.70
#10306A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.65
#10306A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10306A
12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10306A#FFFFFF#000000##FFFFFF
##10306A1.0012.701.6512.70
#FFFFFF12.701.0021.001.00
#0000001.6521.001.0021.00
##FFFFFF12.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#08376C
Deuteranopia (green-blind)
#002F69
Tritanopia (blue-blind)
#003E48
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #10306a;
/* rgb */ color: rgb(16, 48, 106);
/* oklch */ color: oklch(32.4% 0.108 261.1);
Tailwind
colors: {
  custom: {
    50: '#5f6795',
    500: '#10306a',
    950: '#000000',
  },
}
SCSS
$custom: #10306a;
$custom-light: #5f6795;
$custom-dark: #000000;
JSON
{
  "hex": "#10306a",
  "rgb": {
    "r": 16,
    "g": 48,
    "b": 106
  },
  "hsl": {
    "h": 218.667,
    "s": 73.77,
    "l": 23.922
  },
  "oklch": {
    "l": 0.3237,
    "c": 0.10839,
    "h": 261.1
  },
  "luminance": 0.03265
}

Semantic roles & 50–950 ramp

primary
#10306A
secondary
#A27B34
accent
#AF37F0
background
#F6F6F9
surface
#EBEBF2
border
#C6C6CC
text
#05060D
muted
#7A7A7E

Preview Lab

Preview with #10306A

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

Preview Lab → · Contrast checker → · Palette generator →

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