#306EC9#306EC9

#306EC9 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 54.6% C 0.155 H 258.3°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#306EC9
RGB	rgb(48, 110, 201)
HSL	hsl(216, 61%, 49%)
HSV	hsv(216, 76%, 79%)
CMYK	cmyk(76.1%, 45.3%, 0%, 21.2%)
CIE-LAB	lab(46.97, 12.13, -53.02)
CIE-LCH	lch(46.97, 54.39, 282.89°)
OKLab	oklab(54.65% -0.0315 -0.152)
OKLCH	oklch(54.65% 0.155 258.3)
XYZ	xyz(17.3336, 15.9953, 57.4209)
Luminance	0.1600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306EC9 #C98B30

analogous

#30BBC9 #306EC9 #3E30C9

triadic

#306EC9 #C9306E #6EC930

tetradic

#306EC9 #C930BB #C98B30 #30C93E

square

#306EC9 #C930BB #C98B30 #30C93E

split-complementary

#306EC9 #C93E30 #BBC930

monochromatic

#183866 #245398 #306EC9 #5E8FD8 #8FB2E4

Accessibility & contrast

On white

5.00

#306EC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#306EC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306EC9

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306EC9	#FFFFFF	#000000	##FFFFFF
##306EC9	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F77CC

Deuteranopia (green-blind)

#1C69C7

Tritanopia (blue-blind)

#008492

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #306ec9;
/* rgb */ color: rgb(48, 110, 201);
/* oklch */ color: oklch(54.6% 0.155 258.3);

Tailwind

colors: {
  custom: {
    50: '#7e97da',
    500: '#306ec9',
    950: '#000000',
  },
}

SCSS

$custom: #306ec9;
$custom-light: #7e97da;
$custom-dark: #000000;

JSON

{
  "hex": "#306ec9",
  "rgb": {
    "r": 48,
    "g": 110,
    "b": 201
  },
  "hsl": {
    "h": 215.686,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54645,
    "c": 0.15526,
    "h": 258.3
  },
  "luminance": 0.15997
}

Semantic roles & 50–950 ramp

primary

#306EC9

secondary

#CFB186

accent

#A343E5

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #306EC9

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

Preview Lab → · Contrast checker → · Palette generator →