#305B8F#305B8F

#305B8F is a mid, moderate cyan. Relative luminance 0.101; OKLCH L 46.6% C 0.098 H 254.4°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#305B8F
RGB	rgb(48, 91, 143)
HSL	hsl(213, 50%, 37%)
HSV	hsv(213, 66%, 56%)
CMYK	cmyk(66.4%, 36.4%, 0%, 43.9%)
CIE-LAB	lab(38.01, 2.59, -33.16)
CIE-LCH	lch(38.01, 33.26, 274.46°)
OKLab	oklab(46.59% -0.0263 -0.0941)
OKLCH	oklch(46.59% 0.098 254.4)
XYZ	xyz(9.9161, 10.0927, 27.4068)
Luminance	0.1009 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305B8F #8F6430

analogous

#308B8F #305B8F #35308F

triadic

#305B8F #8F305B #5B8F30

tetradic

#305B8F #8F308B #8F6430 #308F35

square

#305B8F #8F308B #8F6430 #308F35

split-complementary

#305B8F #8F3530 #8B8F30

monochromatic

#112133 #213E61 #305B8F #3F78BD #6C98CE

Accessibility & contrast

On white

6.96

#305B8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#305B8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305B8F

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305B8F	#FFFFFF	#000000	##FFFFFF
##305B8F	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#445E91

Deuteranopia (green-blind)

#37558E

Tritanopia (blue-blind)

#00676E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #305b8f;
/* rgb */ color: rgb(48, 91, 143);
/* oklch */ color: oklch(46.6% 0.098 254.4);

Tailwind

colors: {
  custom: {
    50: '#7289b0',
    500: '#305b8f',
    950: '#000000',
  },
}

SCSS

$custom: #305b8f;
$custom-light: #7289b0;
$custom-dark: #000000;

JSON

{
  "hex": "#305b8f",
  "rgb": {
    "r": 48,
    "g": 91,
    "b": 143
  },
  "hsl": {
    "h": 212.842,
    "s": 49.738,
    "l": 37.451
  },
  "oklch": {
    "l": 0.46592,
    "c": 0.09767,
    "h": 254.4
  },
  "luminance": 0.10094
}

Semantic roles & 50–950 ramp

primary

#305B8F

secondary

#B59166

accent

#9A4FD9

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #305B8F

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

Preview Lab → · Contrast checker → · Palette generator →