#306BC2#306BC2

#306BC2 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.5% C 0.149 H 258.3°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#306BC2
RGB	rgb(48, 107, 194)
HSL	hsl(216, 60%, 47%)
HSV	hsv(216, 75%, 76%)
CMYK	cmyk(75.3%, 44.8%, 0%, 23.9%)
CIE-LAB	lab(45.68, 11.40, -51.05)
CIE-LCH	lch(45.68, 52.31, 282.59°)
OKLab	oklab(53.52% -0.0303 -0.1463)
OKLCH	oklch(53.52% 0.149 258.3)
XYZ	xyz(16.2107, 15.0370, 53.0765)
Luminance	0.1504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BC2 #C28730

analogous

#30B4C2 #306BC2 #3E30C2

triadic

#306BC2 #C2306B #6BC230

tetradic

#306BC2 #C230B4 #C28730 #30C23E

square

#306BC2 #C230B4 #C28730 #30C23E

split-complementary

#306BC2 #C23E30 #B4C230

monochromatic

#183560 #245091 #306BC2 #598CD6 #8AAEE2

Accessibility & contrast

On white

5.24

#306BC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#306BC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BC2

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BC2	#FFFFFF	#000000	##FFFFFF
##306BC2	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E73C5

Deuteranopia (green-blind)

#2066C0

Tritanopia (blue-blind)

#00808D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #306bc2;
/* rgb */ color: rgb(48, 107, 194);
/* oklch */ color: oklch(53.5% 0.149 258.3);

Tailwind

colors: {
  custom: {
    50: '#7c94d5',
    500: '#306bc2',
    950: '#000000',
  },
}

SCSS

$custom: #306bc2;
$custom-light: #7c94d5;
$custom-dark: #000000;

JSON

{
  "hex": "#306bc2",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 194
  },
  "hsl": {
    "h": 215.753,
    "s": 60.331,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53515,
    "c": 0.14938,
    "h": 258.3
  },
  "luminance": 0.15039
}

Semantic roles & 50–950 ramp

primary

#306BC2

secondary

#CCAE82

accent

#A344E3

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306BC2

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

Preview Lab → · Contrast checker → · Palette generator →