#306BA4#306BA4

#306BA4 is a mid, moderate cyan. Relative luminance 0.138; OKLCH L 51.6% C 0.109 H 250.1°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#306BA4
RGB	rgb(48, 107, 164)
HSL	hsl(209, 55%, 42%)
HSV	hsv(209, 71%, 64%)
CMYK	cmyk(70.7%, 34.8%, 0%, 35.7%)
CIE-LAB	lab(43.98, 0.24, -36.27)
CIE-LCH	lch(43.98, 36.27, 270.38°)
OKLab	oklab(51.63% -0.0372 -0.1029)
OKLCH	oklch(51.63% 0.109 250.1)
XYZ	xyz(13.1750, 13.8227, 37.0885)
Luminance	0.1382 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BA4 #A46930

analogous

#30A4A3 #306BA4 #3031A4

triadic

#306BA4 #A4306B #6BA430

tetradic

#306BA4 #A330A4 #A46930 #31A430

square

#306BA4 #A330A4 #A46930 #31A430

split-complementary

#306BA4 #A43031 #A4A330

monochromatic

#142D45 #224C75 #306BA4 #488AC9 #77A8D7

Accessibility & contrast

On white

5.58

#306BA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#306BA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BA4

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BA4	#FFFFFF	#000000	##FFFFFF
##306BA4	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516EA6

Deuteranopia (green-blind)

#4163A3

Tritanopia (blue-blind)

#007880

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #306ba4;
/* rgb */ color: rgb(48, 107, 164);
/* oklch */ color: oklch(51.6% 0.109 250.1);

Tailwind

colors: {
  custom: {
    50: '#7695bf',
    500: '#306ba4',
    950: '#000000',
  },
}

SCSS

$custom: #306ba4;
$custom-light: #7695bf;
$custom-dark: #000000;

JSON

{
  "hex": "#306ba4",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 164
  },
  "hsl": {
    "h": 209.483,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51632,
    "c": 0.10945,
    "h": 250.1
  },
  "luminance": 0.13824
}

Semantic roles & 50–950 ramp

primary

#306BA4

secondary

#BF9770

accent

#934ADE

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306BA4

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

Preview Lab → · Contrast checker → · Palette generator →