#305D8A#305D8A

#305D8A is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.8% C 0.089 H 250.3°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#305D8A
RGB	rgb(48, 93, 138)
HSL	hsl(210, 48%, 36%)
HSV	hsv(210, 65%, 54%)
CMYK	cmyk(65.2%, 32.6%, 0%, 45.9%)
CIE-LAB	lab(38.36, -0.50, -29.58)
CIE-LCH	lch(38.36, 29.58, 269.03°)
OKLab	oklab(46.78% -0.03 -0.0836)
OKLCH	oklch(46.78% 0.089 250.3)
XYZ	xyz(9.7190, 10.2911, 25.5140)
Luminance	0.1029 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305D8A #8A5D30

analogous

#308A8A #305D8A #30308A

triadic

#305D8A #8A305D #5D8A30

tetradic

#305D8A #8A308A #8A5D30 #308A30

square

#305D8A #8A308A #8A5D30 #308A30

split-complementary

#305D8A #8A3030 #8A8A30

monochromatic

#10202F #203E5D #305D8A #407CB7 #699ACB

Accessibility & contrast

On white

6.87

#305D8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#305D8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305D8A

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305D8A	#FFFFFF	#000000	##FFFFFF
##305D8A	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5F8C

Deuteranopia (green-blind)

#3D5689

Tritanopia (blue-blind)

#00686D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #305d8a;
/* rgb */ color: rgb(48, 93, 138);
/* oklch */ color: oklch(46.8% 0.089 250.3);

Tailwind

colors: {
  custom: {
    50: '#728aac',
    500: '#305d8a',
    950: '#000000',
  },
}

SCSS

$custom: #305d8a;
$custom-light: #728aac;
$custom-dark: #000000;

JSON

{
  "hex": "#305d8a",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 138
  },
  "hsl": {
    "h": 210,
    "s": 48.387,
    "l": 36.471
  },
  "oklch": {
    "l": 0.46782,
    "c": 0.08881,
    "h": 250.3
  },
  "luminance": 0.10292
}

Semantic roles & 50–950 ramp

primary

#305D8A

secondary

#B28B64

accent

#9450D8

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #305D8A

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

Preview Lab → · Contrast checker → · Palette generator →