#306CCD#306CCD

#306CCD is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.5% C 0.163 H 259.7°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#306CCD
RGB	rgb(48, 108, 205)
HSL	hsl(217, 62%, 50%)
HSV	hsv(217, 77%, 80%)
CMYK	cmyk(76.6%, 47.3%, 0%, 19.6%)
CIE-LAB	lab(46.66, 14.90, -55.81)
CIE-LCH	lch(46.66, 57.77, 284.95°)
OKLab	oklab(54.49% -0.0292 -0.1603)
OKLCH	oklch(54.49% 0.163 259.7)
XYZ	xyz(17.5969, 15.7593, 59.8602)
Luminance	0.1576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306CCD #CD9130

analogous

#30BBCD #306CCD #4330CD

triadic

#306CCD #CD306C #6CCD30

tetradic

#306CCD #CD30BB #CD9130 #30CD43

square

#306CCD #CD30BB #CD9130 #30CD43

split-complementary

#306CCD #CD4330 #BBCD30

monochromatic

#19386A #24529B #306CCD #608FDA #92B2E5

Accessibility & contrast

On white

5.06

#306CCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#306CCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306CCD

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306CCD	#FFFFFF	#000000	##FFFFFF
##306CCD	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3676D1

Deuteranopia (green-blind)

#0268CB

Tritanopia (blue-blind)

#008392

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #306ccd;
/* rgb */ color: rgb(48, 108, 205);
/* oklch */ color: oklch(54.5% 0.163 259.7);

Tailwind

colors: {
  custom: {
    50: '#7f95dd',
    500: '#306ccd',
    950: '#000000',
  },
}

SCSS

$custom: #306ccd;
$custom-light: #7f95dd;
$custom-dark: #000000;

JSON

{
  "hex": "#306ccd",
  "rgb": {
    "r": 48,
    "g": 108,
    "b": 205
  },
  "hsl": {
    "h": 217.07,
    "s": 62.055,
    "l": 49.608
  },
  "oklch": {
    "l": 0.54486,
    "c": 0.16292,
    "h": 259.7
  },
  "luminance": 0.15761
}

Semantic roles & 50–950 ramp

primary

#306CCD

secondary

#D0B589

accent

#A743E5

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #306CCD

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

Preview Lab → · Contrast checker → · Palette generator →