#306D9F#306D9F

#306D9F is a mid, moderate cyan. Relative luminance 0.141; OKLCH L 51.8% C 0.101 H 246.2°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#306D9F
RGB	rgb(48, 109, 159)
HSL	hsl(207, 54%, 41%)
HSV	hsv(207, 70%, 62%)
CMYK	cmyk(69.8%, 31.4%, 0%, 37.6%)
CIE-LAB	lab(44.33, -2.80, -32.76)
CIE-LCH	lch(44.33, 32.88, 265.11°)
OKLab	oklab(51.83% -0.0408 -0.0927)
OKLCH	oklch(51.83% 0.101 246.2)
XYZ	xyz(12.9432, 14.0675, 34.8273)
Luminance	0.1407 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306D9F #9F6230

analogous

#309F99 #306D9F #30359F

triadic

#306D9F #9F306D #6D9F30

tetradic

#306D9F #99309F #9F6230 #359F30

square

#306D9F #99309F #9F6230 #359F30

split-complementary

#306D9F #9F3035 #9F9930

monochromatic

#142D41 #224D70 #306D9F #458DC7 #74A9D5

Accessibility & contrast

On white

5.51

#306D9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#306D9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306D9F

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306D9F	#FFFFFF	#000000	##FFFFFF
##306D9F	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#576FA1

Deuteranopia (green-blind)

#47649E

Tritanopia (blue-blind)

#00797F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #306d9f;
/* rgb */ color: rgb(48, 109, 159);
/* oklch */ color: oklch(51.8% 0.101 246.2);

Tailwind

colors: {
  custom: {
    50: '#7696bb',
    500: '#306d9f',
    950: '#000000',
  },
}

SCSS

$custom: #306d9f;
$custom-light: #7696bb;
$custom-dark: #000000;

JSON

{
  "hex": "#306d9f",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 159
  },
  "hsl": {
    "h": 207.027,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.51825,
    "c": 0.10126,
    "h": 246.2
  },
  "luminance": 0.14069
}

Semantic roles & 50–950 ramp

primary

#306D9F

secondary

#BD916E

accent

#8D4BDD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #306D9F

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

Preview Lab → · Contrast checker → · Palette generator →