#306F9E#306F9E

#306F9E is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.3% C 0.098 H 244.0°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#306F9E
RGB	rgb(48, 111, 158)
HSL	hsl(206, 53%, 40%)
HSV	hsv(206, 70%, 62%)
CMYK	cmyk(69.6%, 29.7%, 0%, 38%)
CIE-LAB	lab(44.89, -4.37, -31.29)
CIE-LCH	lch(44.89, 31.59, 262.05°)
OKLab	oklab(52.25% -0.0432 -0.0884)
OKLCH	oklch(52.25% 0.098 244)
XYZ	xyz(13.0726, 14.4645, 34.4441)
Luminance	0.1447 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306F9E #9E5F30

analogous

#309E96 #306F9E #30389E

triadic

#306F9E #9E306F #6F9E30

tetradic

#306F9E #96309E #9E5F30 #389E30

square

#306F9E #96309E #9E5F30 #389E30

split-complementary

#306F9E #9E3038 #9E9630

monochromatic

#132D40 #224E6F #306F9E #458FC6 #74ABD5

Accessibility & contrast

On white

5.39

#306F9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#306F9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306F9E

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306F9E	#FFFFFF	#000000	##FFFFFF
##306F9E	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A70A0

Deuteranopia (green-blind)

#4B659D

Tritanopia (blue-blind)

#007A7F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306f9e;
/* rgb */ color: rgb(48, 111, 158);
/* oklch */ color: oklch(52.3% 0.098 244.0);

Tailwind

colors: {
  custom: {
    50: '#7598bb',
    500: '#306f9e',
    950: '#000000',
  },
}

SCSS

$custom: #306f9e;
$custom-light: #7598bb;
$custom-dark: #000000;

JSON

{
  "hex": "#306f9e",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 158
  },
  "hsl": {
    "h": 205.636,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.52253,
    "c": 0.09836,
    "h": 244
  },
  "luminance": 0.14466
}

Semantic roles & 50–950 ramp

primary

#306F9E

secondary

#BD8F6D

accent

#894BDD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #306F9E

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

Preview Lab → · Contrast checker → · Palette generator →