#306FA4#306FA4

#306FA4 is a mid, moderate cyan. Relative luminance 0.147; OKLCH L 52.6% C 0.106 H 247.0°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#306FA4
RGB	rgb(48, 111, 164)
HSL	hsl(207, 55%, 42%)
HSV	hsv(207, 71%, 64%)
CMYK	cmyk(70.7%, 32.3%, 0%, 35.7%)
CIE-LAB	lab(45.19, -2.21, -34.36)
CIE-LCH	lch(45.19, 34.43, 266.32°)
OKLab	oklab(52.58% -0.0413 -0.0973)
OKLCH	oklch(52.58% 0.106 247)
XYZ	xyz(13.6017, 14.6761, 37.2307)
Luminance	0.1468 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306FA4 #A46530

analogous

#30A49F #306FA4 #3035A4

triadic

#306FA4 #A4306F #6FA430

tetradic

#306FA4 #9F30A4 #A46530 #35A430

square

#306FA4 #9F30A4 #A46530 #35A430

split-complementary

#306FA4 #A43035 #A49F30

monochromatic

#142F45 #224F75 #306FA4 #488EC9 #77ABD7

Accessibility & contrast

On white

5.34

#306FA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#306FA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306FA4

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306FA4	#FFFFFF	#000000	##FFFFFF
##306FA4	1.00	5.34	3.94	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5771A6

Deuteranopia (green-blind)

#4766A3

Tritanopia (blue-blind)

#007C82

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #306fa4;
/* rgb */ color: rgb(48, 111, 164);
/* oklch */ color: oklch(52.6% 0.106 247.0);

Tailwind

colors: {
  custom: {
    50: '#7698bf',
    500: '#306fa4',
    950: '#000000',
  },
}

SCSS

$custom: #306fa4;
$custom-light: #7698bf;
$custom-dark: #000000;

JSON

{
  "hex": "#306fa4",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 164
  },
  "hsl": {
    "h": 207.414,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52583,
    "c": 0.10572,
    "h": 247
  },
  "luminance": 0.14678
}

Semantic roles & 50–950 ramp

primary

#306FA4

secondary

#BF9470

accent

#8E4ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306FA4

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

Preview Lab → · Contrast checker → · Palette generator →