#306FB7#306FB7

#306FB7 is a mid, vivid cyan. Relative luminance 0.154; OKLCH L 53.7% C 0.130 H 253.9°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#306FB7
RGB	rgb(48, 111, 183)
HSL	hsl(212, 58%, 45%)
HSV	hsv(212, 74%, 72%)
CMYK	cmyk(73.8%, 39.3%, 0%, 28.2%)
CIE-LAB	lab(46.20, 4.77, -43.86)
CIE-LCH	lch(46.20, 44.12, 276.21°)
OKLab	oklab(53.7% -0.0362 -0.1251)
OKLCH	oklch(53.7% 0.13 253.9)
XYZ	xyz(15.4474, 15.4144, 46.9517)
Luminance	0.1542 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306FB7 #B77830

analogous

#30B3B7 #306FB7 #3430B7

triadic

#306FB7 #B7306F #6FB730

tetradic

#306FB7 #B730B3 #B77830 #30B734

square

#306FB7 #B730B3 #B77830 #30B734

split-complementary

#306FB7 #B73430 #B3B730

monochromatic

#173456 #235287 #306FB7 #528ED2 #83AEDE

Accessibility & contrast

On white

5.14

#306FB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#306FB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306FB7

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306FB7	#FFFFFF	#000000	##FFFFFF
##306FB7	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D74BA

Deuteranopia (green-blind)

#3868B6

Tritanopia (blue-blind)

#00808A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #306fb7;
/* rgb */ color: rgb(48, 111, 183);
/* oklch */ color: oklch(53.7% 0.130 253.9);

Tailwind

colors: {
  custom: {
    50: '#7a97cd',
    500: '#306fb7',
    950: '#000000',
  },
}

SCSS

$custom: #306fb7;
$custom-light: #7a97cd;
$custom-dark: #000000;

JSON

{
  "hex": "#306fb7",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 183
  },
  "hsl": {
    "h": 212,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.53703,
    "c": 0.13022,
    "h": 253.9
  },
  "luminance": 0.15416
}

Semantic roles & 50–950 ramp

primary

#306FB7

secondary

#C8A47B

accent

#9946E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306FB7

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

Preview Lab → · Contrast checker → · Palette generator →