#306CB9#306CB9

#306CB9 is a mid, vivid cyan. Relative luminance 0.149; OKLCH L 53.1% C 0.136 H 256.0°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#306CB9
RGB	rgb(48, 108, 185)
HSL	hsl(214, 59%, 46%)
HSV	hsv(214, 74%, 73%)
CMYK	cmyk(74.1%, 41.6%, 0%, 27.5%)
CIE-LAB	lab(45.43, 7.40, -46.24)
CIE-LCH	lch(45.43, 46.83, 279.09°)
OKLab	oklab(53.15% -0.033 -0.1321)
OKLCH	oklch(53.15% 0.136 256)
XYZ	xyz(15.3352, 14.8546, 47.9485)
Luminance	0.1486 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306CB9 #B97D30

analogous

#30B0B9 #306CB9 #3930B9

triadic

#306CB9 #B9306C #6CB930

tetradic

#306CB9 #B930B0 #B97D30 #30B939

square

#306CB9 #B930B0 #B97D30 #30B939

split-complementary

#306CB9 #B93930 #B0B930

monochromatic

#173358 #235088 #306CB9 #548BD3 #84ACDF

Accessibility & contrast

On white

5.29

#306CB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#306CB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306CB9

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306CB9	#FFFFFF	#000000	##FFFFFF
##306CB9	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4772BC

Deuteranopia (green-blind)

#3066B7

Tritanopia (blue-blind)

#007E89

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #306cb9;
/* rgb */ color: rgb(48, 108, 185);
/* oklch */ color: oklch(53.1% 0.136 256.0);

Tailwind

colors: {
  custom: {
    50: '#7a95ce',
    500: '#306cb9',
    950: '#000000',
  },
}

SCSS

$custom: #306cb9;
$custom-light: #7a95ce;
$custom-dark: #000000;

JSON

{
  "hex": "#306cb9",
  "rgb": {
    "r": 48,
    "g": 108,
    "b": 185
  },
  "hsl": {
    "h": 213.723,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.53147,
    "c": 0.13618,
    "h": 256
  },
  "luminance": 0.14856
}

Semantic roles & 50–950 ramp

primary

#306CB9

secondary

#C9A77C

accent

#9E46E2

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #306CB9

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

Preview Lab → · Contrast checker → · Palette generator →