#306B99#306B99

#306B99 is a mid, moderate cyan. Relative luminance 0.134; OKLCH L 51.0% C 0.096 H 244.9°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#306B99
RGB	rgb(48, 107, 153)
HSL	hsl(206, 52%, 39%)
HSV	hsv(206, 69%, 60%)
CMYK	cmyk(68.6%, 30.1%, 0%, 40%)
CIE-LAB	lab(43.42, -3.75, -30.63)
CIE-LCH	lch(43.42, 30.86, 263.03°)
OKLab	oklab(51.01% -0.0406 -0.0865)
OKLCH	oklch(51.01% 0.096 244.9)
XYZ	xyz(12.2242, 13.4424, 32.0812)
Luminance	0.1344 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306B99 #995E30

analogous

#309993 #306B99 #303699

triadic

#306B99 #99306B #6B9930

tetradic

#306B99 #933099 #995E30 #369930

square

#306B99 #933099 #995E30 #369930

split-complementary

#306B99 #993036 #999330

monochromatic

#132A3C #214A6A #306B99 #428BC4 #71A8D2

Accessibility & contrast

On white

5.69

#306B99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#306B99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306B99

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306B99	#FFFFFF	#000000	##FFFFFF
##306B99	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566C9B

Deuteranopia (green-blind)

#486298

Tritanopia (blue-blind)

#00767B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #306b99;
/* rgb */ color: rgb(48, 107, 153);
/* oklch */ color: oklch(51.0% 0.096 244.9);

Tailwind

colors: {
  custom: {
    50: '#7495b7',
    500: '#306b99',
    950: '#000000',
  },
}

SCSS

$custom: #306b99;
$custom-light: #7495b7;
$custom-dark: #000000;

JSON

{
  "hex": "#306b99",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 153
  },
  "hsl": {
    "h": 206.286,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.51013,
    "c": 0.09555,
    "h": 244.9
  },
  "luminance": 0.13444
}

Semantic roles & 50–950 ramp

primary

#306B99

secondary

#BA8D6B

accent

#8B4CDC

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #306B99

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

Preview Lab → · Contrast checker → · Palette generator →