#306699#306699

#306699 is a mid, moderate cyan. Relative luminance 0.124; OKLCH L 49.8% C 0.100 H 249.3°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#306699
RGB	rgb(48, 102, 153)
HSL	hsl(209, 52%, 39%)
HSV	hsv(209, 69%, 60%)
CMYK	cmyk(68.6%, 33.3%, 0%, 40%)
CIE-LAB	lab(41.89, -0.68, -33.04)
CIE-LCH	lch(41.89, 33.05, 268.82°)
OKLab	oklab(49.81% -0.0353 -0.0936)
OKLCH	oklch(49.81% 0.1 249.3)
XYZ	xyz(11.7179, 12.4298, 31.9125)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306699 #996330

analogous

#309998 #306699 #303199

triadic

#306699 #993066 #669930

tetradic

#306699 #983099 #996330 #319930

square

#306699 #983099 #996330 #319930

split-complementary

#306699 #993031 #999830

monochromatic

#13283C #21476A #306699 #4285C4 #71A3D2

Accessibility & contrast

On white

6.02

#306699 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#306699 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306699

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306699	#FFFFFF	#000000	##FFFFFF
##306699	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F689B

Deuteranopia (green-blind)

#415E98

Tritanopia (blue-blind)

#007278

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #306699;
/* rgb */ color: rgb(48, 102, 153);
/* oklch */ color: oklch(49.8% 0.100 249.3);

Tailwind

colors: {
  custom: {
    50: '#7491b7',
    500: '#306699',
    950: '#000000',
  },
}

SCSS

$custom: #306699;
$custom-light: #7491b7;
$custom-dark: #000000;

JSON

{
  "hex": "#306699",
  "rgb": {
    "r": 48,
    "g": 102,
    "b": 153
  },
  "hsl": {
    "h": 209.143,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.49807,
    "c": 0.1,
    "h": 249.3
  },
  "luminance": 0.12431
}

Semantic roles & 50–950 ramp

primary

#306699

secondary

#BA916B

accent

#924CDC

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #306699

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

Preview Lab → · Contrast checker → · Palette generator →