#306F99#306F99

#306F99 is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 52.0% C 0.092 H 241.0°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#306F99
RGB	rgb(48, 111, 153)
HSL	hsl(204, 52%, 39%)
HSV	hsv(204, 69%, 60%)
CMYK	cmyk(68.6%, 27.5%, 0%, 40%)
CIE-LAB	lab(44.65, -6.15, -28.70)
CIE-LCH	lch(44.65, 29.36, 257.90°)
OKLab	oklab(51.99% -0.0448 -0.0809)
OKLCH	oklch(51.99% 0.092 241)
XYZ	xyz(12.6509, 14.2958, 32.2235)
Luminance	0.1430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306F99 #995A30

analogous

#30998F #306F99 #303B99

triadic

#306F99 #99306F #6F9930

tetradic

#306F99 #8F3099 #995A30 #3B9930

square

#306F99 #8F3099 #995A30 #3B9930

split-complementary

#306F99 #99303B #998F30

monochromatic

#132B3C #214D6A #306F99 #4290C4 #71ABD2

Accessibility & contrast

On white

5.44

#306F99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#306F99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306F99

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306F99	#FFFFFF	#000000	##FFFFFF
##306F99	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C6F9B

Deuteranopia (green-blind)

#4D6598

Tritanopia (blue-blind)

#00797D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306f99;
/* rgb */ color: rgb(48, 111, 153);
/* oklch */ color: oklch(52.0% 0.092 241.0);

Tailwind

colors: {
  custom: {
    50: '#7598b7',
    500: '#306f99',
    950: '#000000',
  },
}

SCSS

$custom: #306f99;
$custom-light: #7598b7;
$custom-dark: #000000;

JSON

{
  "hex": "#306f99",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 153
  },
  "hsl": {
    "h": 204,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.51987,
    "c": 0.09248,
    "h": 241
  },
  "luminance": 0.14297
}

Semantic roles & 50–950 ramp

primary

#306F99

secondary

#BA8A6B

accent

#864CDC

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #306F99

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

Preview Lab → · Contrast checker → · Palette generator →