#306FC5#306FC5

#306FC5 is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.6% C 0.149 H 257.1°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#306FC5
RGB	rgb(48, 111, 197)
HSL	hsl(215, 61%, 48%)
HSV	hsv(215, 76%, 77%)
CMYK	cmyk(75.6%, 43.7%, 0%, 22.7%)
CIE-LAB	lab(47.01, 10.00, -50.66)
CIE-LCH	lch(47.01, 51.63, 281.17°)
OKLab	oklab(54.6% -0.0331 -0.1451)
OKLCH	oklch(54.6% 0.149 257.1)
XYZ	xyz(16.9777, 16.0265, 55.0111)
Luminance	0.1603 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306FC5 #C58630

analogous

#30B9C5 #306FC5 #3C30C5

triadic

#306FC5 #C5306F #6FC530

tetradic

#306FC5 #C530B9 #C58630 #30C53C

square

#306FC5 #C530B9 #C58630 #30C53C

split-complementary

#306FC5 #C53C30 #B9C530

monochromatic

#183863 #245394 #306FC5 #5B90D7 #8CB1E3

Accessibility & contrast

On white

4.99

#306FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#306FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306FC5

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306FC5	#FFFFFF	#000000	##FFFFFF
##306FC5	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4477C8

Deuteranopia (green-blind)

#2769C3

Tritanopia (blue-blind)

#008390

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #306fc5;
/* rgb */ color: rgb(48, 111, 197);
/* oklch */ color: oklch(54.6% 0.149 257.1);

Tailwind

colors: {
  custom: {
    50: '#7d97d7',
    500: '#306fc5',
    950: '#000000',
  },
}

SCSS

$custom: #306fc5;
$custom-light: #7d97d7;
$custom-dark: #000000;

JSON

{
  "hex": "#306fc5",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 197
  },
  "hsl": {
    "h": 214.631,
    "s": 60.816,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54598,
    "c": 0.14879,
    "h": 257.1
  },
  "luminance": 0.16028
}

Semantic roles & 50–950 ramp

primary

#306FC5

secondary

#CDAE84

accent

#A044E4

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306FC5

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

Preview Lab → · Contrast checker → · Palette generator →