#306DA4#306DA4

#306DA4 is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 52.1% C 0.108 H 248.6°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#306DA4
RGB	rgb(48, 109, 164)
HSL	hsl(208, 55%, 42%)
HSV	hsv(208, 71%, 64%)
CMYK	cmyk(70.7%, 33.5%, 0%, 35.7%)
CIE-LAB	lab(44.58, -0.99, -35.31)
CIE-LCH	lch(44.58, 35.33, 268.40°)
OKLab	oklab(52.11% -0.0393 -0.1001)
OKLCH	oklch(52.11% 0.108 248.6)
XYZ	xyz(13.3859, 14.2445, 37.1588)
Luminance	0.1425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306DA4 #A46730

analogous

#30A4A1 #306DA4 #3033A4

triadic

#306DA4 #A4306D #6DA430

tetradic

#306DA4 #A130A4 #A46730 #33A430

square

#306DA4 #A130A4 #A46730 #33A430

split-complementary

#306DA4 #A43033 #A4A130

monochromatic

#142E45 #224E75 #306DA4 #488CC9 #77AAD7

Accessibility & contrast

On white

5.46

#306DA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#306DA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306DA4

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306DA4	#FFFFFF	#000000	##FFFFFF
##306DA4	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546FA6

Deuteranopia (green-blind)

#4464A3

Tritanopia (blue-blind)

#007A81

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #306da4;
/* rgb */ color: rgb(48, 109, 164);
/* oklch */ color: oklch(52.1% 0.108 248.6);

Tailwind

colors: {
  custom: {
    50: '#7696bf',
    500: '#306da4',
    950: '#000000',
  },
}

SCSS

$custom: #306da4;
$custom-light: #7696bf;
$custom-dark: #000000;

JSON

{
  "hex": "#306da4",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 164
  },
  "hsl": {
    "h": 208.448,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52106,
    "c": 0.10755,
    "h": 248.6
  },
  "luminance": 0.14246
}

Semantic roles & 50–950 ramp

primary

#306DA4

secondary

#BF9670

accent

#904ADE

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306DA4

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

Preview Lab → · Contrast checker → · Palette generator →