#305C8A#305C8A

#305C8A is a mid, moderate cyan. Relative luminance 0.101; OKLCH L 46.5% C 0.090 H 251.2°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#305C8A
RGB	rgb(48, 92, 138)
HSL	hsl(211, 48%, 36%)
HSV	hsv(211, 65%, 54%)
CMYK	cmyk(65.2%, 33.3%, 0%, 45.9%)
CIE-LAB	lab(38.05, 0.13, -30.06)
CIE-LCH	lch(38.05, 30.06, 270.25°)
OKLab	oklab(46.54% -0.0289 -0.085)
OKLCH	oklch(46.54% 0.09 251.2)
XYZ	xyz(9.6318, 10.1167, 25.4850)
Luminance	0.1012 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305C8A #8A5E30

analogous

#30898A #305C8A #31308A

triadic

#305C8A #8A305C #5C8A30

tetradic

#305C8A #8A3089 #8A5E30 #308A31

square

#305C8A #8A3089 #8A5E30 #308A31

split-complementary

#305C8A #8A3130 #898A30

monochromatic

#101F2F #203E5D #305C8A #407AB7 #6999CB

Accessibility & contrast

On white

6.95

#305C8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#305C8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305C8A

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305C8A	#FFFFFF	#000000	##FFFFFF
##305C8A	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485E8C

Deuteranopia (green-blind)

#3C5689

Tritanopia (blue-blind)

#00676C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #305c8a;
/* rgb */ color: rgb(48, 92, 138);
/* oklch */ color: oklch(46.5% 0.090 251.2);

Tailwind

colors: {
  custom: {
    50: '#7289ac',
    500: '#305c8a',
    950: '#000000',
  },
}

SCSS

$custom: #305c8a;
$custom-light: #7289ac;
$custom-dark: #000000;

JSON

{
  "hex": "#305c8a",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 138
  },
  "hsl": {
    "h": 210.667,
    "s": 48.387,
    "l": 36.471
  },
  "oklch": {
    "l": 0.46539,
    "c": 0.08978,
    "h": 251.2
  },
  "luminance": 0.10118
}

Semantic roles & 50–950 ramp

primary

#305C8A

secondary

#B28C64

accent

#9550D8

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #305C8A

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

Preview Lab → · Contrast checker → · Palette generator →