#306DC5#306DC5

#306DC5 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.2% C 0.151 H 258.0°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#306DC5
RGB	rgb(48, 109, 197)
HSL	hsl(215, 61%, 48%)
HSV	hsv(215, 76%, 77%)
CMYK	cmyk(75.6%, 44.7%, 0%, 22.7%)
CIE-LAB	lab(46.44, 11.26, -51.57)
CIE-LCH	lch(46.44, 52.78, 282.32°)
OKLab	oklab(54.16% -0.0314 -0.1478)
OKLCH	oklch(54.16% 0.151 258)
XYZ	xyz(16.7619, 15.5950, 54.9392)
Luminance	0.1560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306DC5 #C58830

analogous

#30B7C5 #306DC5 #3D30C5

triadic

#306DC5 #C5306D #6DC530

tetradic

#306DC5 #C530B7 #C58830 #30C53D

square

#306DC5 #C530B7 #C58830 #30C53D

split-complementary

#306DC5 #C53D30 #B7C530

monochromatic

#183763 #245294 #306DC5 #5B8ED7 #8CB0E3

Accessibility & contrast

On white

5.10

#306DC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#306DC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306DC5

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306DC5	#FFFFFF	#000000	##FFFFFF
##306DC5	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4075C8

Deuteranopia (green-blind)

#2168C3

Tritanopia (blue-blind)

#00828F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #306dc5;
/* rgb */ color: rgb(48, 109, 197);
/* oklch */ color: oklch(54.2% 0.151 258.0);

Tailwind

colors: {
  custom: {
    50: '#7d96d7',
    500: '#306dc5',
    950: '#000000',
  },
}

SCSS

$custom: #306dc5;
$custom-light: #7d96d7;
$custom-dark: #000000;

JSON

{
  "hex": "#306dc5",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 197
  },
  "hsl": {
    "h": 215.436,
    "s": 60.816,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54156,
    "c": 0.15108,
    "h": 258
  },
  "luminance": 0.15597
}

Semantic roles & 50–950 ramp

primary

#306DC5

secondary

#CDAF84

accent

#A244E4

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306DC5

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

Preview Lab → · Contrast checker → · Palette generator →