#305A8B#305A8B

#305A8B is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 46.1% C 0.093 H 253.6°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#305A8B
RGB	rgb(48, 90, 139)
HSL	hsl(212, 49%, 37%)
HSV	hsv(212, 65%, 55%)
CMYK	cmyk(65.5%, 35.3%, 0%, 45.5%)
CIE-LAB	lab(37.49, 1.76, -31.56)
CIE-LCH	lch(37.49, 31.61, 273.20°)
OKLab	oklab(46.12% -0.0263 -0.0894)
OKLCH	oklch(46.12% 0.093 253.6)
XYZ	xyz(9.5336, 9.8039, 25.8110)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305A8B #8B6130

analogous

#30888B #305A8B #34308B

triadic

#305A8B #8B305A #5A8B30

tetradic

#305A8B #8B3088 #8B6130 #308B34

square

#305A8B #8B3088 #8B6130 #308B34

split-complementary

#305A8B #8B3430 #888B30

monochromatic

#111F30 #203D5E #305A8B #4077B8 #6A97CC

Accessibility & contrast

On white

7.09

#305A8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#305A8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #305A8B

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305A8B	#FFFFFF	#000000	##FFFFFF
##305A8B	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455D8D

Deuteranopia (green-blind)

#38548A

Tritanopia (blue-blind)

#00656C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #305a8b;
/* rgb */ color: rgb(48, 90, 139);
/* oklch */ color: oklch(46.1% 0.093 253.6);

Tailwind

colors: {
  custom: {
    50: '#7288ad',
    500: '#305a8b',
    950: '#000000',
  },
}

SCSS

$custom: #305a8b;
$custom-light: #7288ad;
$custom-dark: #000000;

JSON

{
  "hex": "#305a8b",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 139
  },
  "hsl": {
    "h": 212.308,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.46116,
    "c": 0.09319,
    "h": 253.6
  },
  "luminance": 0.09805
}

Semantic roles & 50–950 ramp

primary

#305A8B

secondary

#B38E64

accent

#9950D8

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #305A8B

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

Preview Lab → · Contrast checker → · Palette generator →