#305C8F#305C8F

#305C8F is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.8% C 0.097 H 253.5°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#305C8F
RGB	rgb(48, 92, 143)
HSL	hsl(212, 50%, 37%)
HSV	hsv(212, 66%, 56%)
CMYK	cmyk(66.4%, 35.7%, 0%, 43.9%)
CIE-LAB	lab(38.31, 1.95, -32.68)
CIE-LCH	lch(38.31, 32.74, 273.41°)
OKLab	oklab(46.83% -0.0274 -0.0926)
OKLCH	oklch(46.83% 0.097 253.5)
XYZ	xyz(10.0022, 10.2649, 27.4355)
Luminance	0.1027 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305C8F #8F6330

analogous

#308B8F #305C8F #34308F

triadic

#305C8F #8F305C #5C8F30

tetradic

#305C8F #8F308B #8F6330 #308F34

square

#305C8F #8F308B #8F6330 #308F34

split-complementary

#305C8F #8F3430 #8B8F30

monochromatic

#112133 #213F61 #305C8F #3F79BD #6C99CE

Accessibility & contrast

On white

6.88

#305C8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#305C8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305C8F

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305C8F	#FFFFFF	#000000	##FFFFFF
##305C8F	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465F91

Deuteranopia (green-blind)

#39568E

Tritanopia (blue-blind)

#00686F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #305c8f;
/* rgb */ color: rgb(48, 92, 143);
/* oklch */ color: oklch(46.8% 0.097 253.5);

Tailwind

colors: {
  custom: {
    50: '#7289b0',
    500: '#305c8f',
    950: '#000000',
  },
}

SCSS

$custom: #305c8f;
$custom-light: #7289b0;
$custom-dark: #000000;

JSON

{
  "hex": "#305c8f",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 143
  },
  "hsl": {
    "h": 212.211,
    "s": 49.738,
    "l": 37.451
  },
  "oklch": {
    "l": 0.46831,
    "c": 0.09661,
    "h": 253.5
  },
  "luminance": 0.10266
}

Semantic roles & 50–950 ramp

primary

#305C8F

secondary

#B59066

accent

#994FD9

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #305C8F

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

Preview Lab → · Contrast checker → · Palette generator →