#306FB6#306FB6

#306FB6 is a mid, vivid cyan. Relative luminance 0.154; OKLCH L 53.6% C 0.129 H 253.6°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#306FB6
RGB	rgb(48, 111, 182)
HSL	hsl(212, 58%, 45%)
HSV	hsv(212, 74%, 71%)
CMYK	cmyk(73.6%, 39%, 0%, 28.6%)
CIE-LAB	lab(46.14, 4.40, -43.37)
CIE-LCH	lch(46.14, 43.59, 275.79°)
OKLab	oklab(53.64% -0.0364 -0.1237)
OKLCH	oklch(53.64% 0.129 253.6)
XYZ	xyz(15.3437, 15.3729, 46.4055)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306FB6 #B67730

analogous

#30B2B6 #306FB6 #3430B6

triadic

#306FB6 #B6306F #6FB630

tetradic

#306FB6 #B630B2 #B67730 #30B634

square

#306FB6 #B630B2 #B67730 #30B634

split-complementary

#306FB6 #B63430 #B2B630

monochromatic

#163455 #235186 #306FB6 #528ED1 #82ADDE

Accessibility & contrast

On white

5.15

#306FB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#306FB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306FB6

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306FB6	#FFFFFF	#000000	##FFFFFF
##306FB6	1.00	5.15	4.07	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E74B9

Deuteranopia (green-blind)

#3968B5

Tritanopia (blue-blind)

#00808A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #306fb6;
/* rgb */ color: rgb(48, 111, 182);
/* oklch */ color: oklch(53.6% 0.129 253.6);

Tailwind

colors: {
  custom: {
    50: '#7a97cc',
    500: '#306fb6',
    950: '#000000',
  },
}

SCSS

$custom: #306fb6;
$custom-light: #7a97cc;
$custom-dark: #000000;

JSON

{
  "hex": "#306fb6",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 182
  },
  "hsl": {
    "h": 211.791,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53641,
    "c": 0.12891,
    "h": 253.6
  },
  "luminance": 0.15375
}

Semantic roles & 50–950 ramp

primary

#306FB6

secondary

#C7A37B

accent

#9946E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306FB6

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

Preview Lab → · Contrast checker → · Palette generator →