#306DB7#306DB7

#306DB7 is a mid, vivid cyan. Relative luminance 0.150; OKLCH L 53.2% C 0.132 H 255.0°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#306DB7
RGB	rgb(48, 109, 183)
HSL	hsl(213, 58%, 45%)
HSV	hsv(213, 74%, 72%)
CMYK	cmyk(73.8%, 40.4%, 0%, 28.2%)
CIE-LAB	lab(45.61, 6.02, -44.80)
CIE-LCH	lch(45.61, 45.20, 277.66°)
OKLab	oklab(53.25% -0.0343 -0.1279)
OKLCH	oklch(53.25% 0.132 255)
XYZ	xyz(15.2316, 14.9829, 46.8798)
Luminance	0.1499 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306DB7 #B77A30

analogous

#30B0B7 #306DB7 #3630B7

triadic

#306DB7 #B7306D #6DB730

tetradic

#306DB7 #B730B0 #B77A30 #30B736

square

#306DB7 #B730B0 #B77A30 #30B736

split-complementary

#306DB7 #B73630 #B0B730

monochromatic

#173356 #235087 #306DB7 #528CD2 #83ACDE

Accessibility & contrast

On white

5.25

#306DB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#306DB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306DB7

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306DB7	#FFFFFF	#000000	##FFFFFF
##306DB7	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A73BA

Deuteranopia (green-blind)

#3466B6

Tritanopia (blue-blind)

#007E89

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #306db7;
/* rgb */ color: rgb(48, 109, 183);
/* oklch */ color: oklch(53.2% 0.132 255.0);

Tailwind

colors: {
  custom: {
    50: '#7a96cd',
    500: '#306db7',
    950: '#000000',
  },
}

SCSS

$custom: #306db7;
$custom-light: #7a96cd;
$custom-dark: #000000;

JSON

{
  "hex": "#306db7",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 183
  },
  "hsl": {
    "h": 212.889,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.53247,
    "c": 0.1324,
    "h": 255
  },
  "luminance": 0.14985
}

Semantic roles & 50–950 ramp

primary

#306DB7

secondary

#C8A57B

accent

#9B46E2

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306DB7

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

Preview Lab → · Contrast checker → · Palette generator →