#305D8D#305D8D

#305D8D is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 47.0% C 0.093 H 251.7°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#305D8D
RGB	rgb(48, 93, 141)
HSL	hsl(211, 49%, 37%)
HSV	hsv(211, 66%, 55%)
CMYK	cmyk(66%, 34%, 0%, 44.7%)
CIE-LAB	lab(38.51, 0.59, -31.15)
CIE-LCH	lch(38.51, 31.16, 271.08°)
OKLab	oklab(46.95% -0.0291 -0.0882)
OKLCH	oklch(46.95% 0.093 251.7)
XYZ	xyz(9.9392, 10.3792, 26.6737)
Luminance	0.1038 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305D8D #8D6030

analogous

#308B8D #305D8D #32308D

triadic

#305D8D #8D305D #5D8D30

tetradic

#305D8D #8D308B #8D6030 #308D32

square

#305D8D #8D308B #8D6030 #308D32

split-complementary

#305D8D #8D3230 #8B8D30

monochromatic

#112132 #203F5F #305D8D #407BBB #6B9ACD

Accessibility & contrast

On white

6.83

#305D8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#305D8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305D8D

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305D8D	#FFFFFF	#000000	##FFFFFF
##305D8D	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48608F

Deuteranopia (green-blind)

#3B578C

Tritanopia (blue-blind)

#00686E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #305d8d;
/* rgb */ color: rgb(48, 93, 141);
/* oklch */ color: oklch(47.0% 0.093 251.7);

Tailwind

colors: {
  custom: {
    50: '#728aae',
    500: '#305d8d',
    950: '#000000',
  },
}

SCSS

$custom: #305d8d;
$custom-light: #728aae;
$custom-dark: #000000;

JSON

{
  "hex": "#305d8d",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 141
  },
  "hsl": {
    "h": 210.968,
    "s": 49.206,
    "l": 37.059
  },
  "oklch": {
    "l": 0.46954,
    "c": 0.09284,
    "h": 251.7
  },
  "luminance": 0.1038
}

Semantic roles & 50–950 ramp

primary

#305D8D

secondary

#B48E65

accent

#964FD9

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #305D8D

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

Preview Lab → · Contrast checker → · Palette generator →