#10305A#10305A

#10305A is a dark, moderate cyan. Relative luminance 0.030; OKLCH L 31.1% C 0.084 H 256.5°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX#10305A
RGBrgb(16, 48, 90)
HSLhsl(214, 70%, 21%)
HSVhsv(214, 82%, 35%)
CMYKcmyk(82.2%, 46.7%, 0%, 64.7%)
CIE-LABlab(19.89, 5.31, -28.59)
CIE-LCHlch(19.89, 29.08, 280.53°)
OKLaboklab(31.08% -0.0196 -0.0819)
OKLCHoklch(31.08% 0.084 256.5)
XYZxyz(3.1154, 2.9619, 10.0784)
Luminance0.0296 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10305A #5A3A10
analogous
#10555A #10305A #15105A
triadic
#10305A #5A1030 #305A10
tetradic
#10305A #5A1055 #5A3A10 #105A15
square
#10305A #5A1055 #5A3A10 #105A15
split-complementary
#10305A #5A1510 #555A10
monochromatic
#050E1A #071426 #10305A #194C8E #2267C2

Accessibility & contrast

On white

13.19
#10305A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.59
#10305A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10305A
13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10305A#FFFFFF#000000##FFFFFF
##10305A1.0013.191.5913.19
#FFFFFF13.191.0021.001.00
#0000001.5921.001.0021.00
##FFFFFF13.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1B345C
Deuteranopia (green-blind)
#0D2D59
Tritanopia (blue-blind)
#003A40
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #10305a;
/* rgb */ color: rgb(16, 48, 90);
/* oklch */ color: oklch(31.1% 0.084 256.5);
Tailwind
colors: {
  custom: {
    50: '#5b6789',
    500: '#10305a',
    950: '#000000',
  },
}
SCSS
$custom: #10305a;
$custom-light: #5b6789;
$custom-dark: #000000;
JSON
{
  "hex": "#10305a",
  "rgb": {
    "r": 16,
    "g": 48,
    "b": 90
  },
  "hsl": {
    "h": 214.054,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31084,
    "c": 0.08416,
    "h": 256.5
  },
  "luminance": 0.02962
}

Semantic roles & 50–950 ramp

primary
#10305A
secondary
#936933
accent
#A03BED
background
#F5F6F8
surface
#E9EBF0
border
#C5C6CB
text
#04060B
muted
#797A7C

Preview Lab

Preview with #10305A

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

Preview Lab → · Contrast checker → · Palette generator →

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