#306EC5#306EC5

#306EC5 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.4% C 0.150 H 257.6°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#306EC5
RGB	rgb(48, 110, 197)
HSL	hsl(215, 61%, 48%)
HSV	hsv(215, 76%, 77%)
CMYK	cmyk(75.6%, 44.2%, 0%, 22.7%)
CIE-LAB	lab(46.72, 10.63, -51.11)
CIE-LCH	lch(46.72, 52.21, 281.75°)
OKLab	oklab(54.38% -0.0323 -0.1464)
OKLCH	oklch(54.38% 0.15 257.6)
XYZ	xyz(16.8692, 15.8095, 54.9750)
Luminance	0.1581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306EC5 #C58730

analogous

#30B8C5 #306EC5 #3D30C5

triadic

#306EC5 #C5306E #6EC530

tetradic

#306EC5 #C530B8 #C58730 #30C53D

square

#306EC5 #C530B8 #C58730 #30C53D

split-complementary

#306EC5 #C53D30 #B8C530

monochromatic

#183763 #245394 #306EC5 #5B8FD7 #8CB0E3

Accessibility & contrast

On white

5.05

#306EC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#306EC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306EC5

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306EC5	#FFFFFF	#000000	##FFFFFF
##306EC5	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4276C8

Deuteranopia (green-blind)

#2468C3

Tritanopia (blue-blind)

#008390

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #306ec5;
/* rgb */ color: rgb(48, 110, 197);
/* oklch */ color: oklch(54.4% 0.150 257.6);

Tailwind

colors: {
  custom: {
    50: '#7d97d7',
    500: '#306ec5',
    950: '#000000',
  },
}

SCSS

$custom: #306ec5;
$custom-light: #7d97d7;
$custom-dark: #000000;

JSON

{
  "hex": "#306ec5",
  "rgb": {
    "r": 48,
    "g": 110,
    "b": 197
  },
  "hsl": {
    "h": 215.034,
    "s": 60.816,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54377,
    "c": 0.14992,
    "h": 257.6
  },
  "luminance": 0.15811
}

Semantic roles & 50–950 ramp

primary

#306EC5

secondary

#CDAF84

accent

#A144E4

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306EC5

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

Preview Lab → · Contrast checker → · Palette generator →