#306AC1#306AC1

#306AC1 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.2% C 0.149 H 258.6°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#306AC1
RGB	rgb(48, 106, 193)
HSL	hsl(216, 60%, 47%)
HSV	hsv(216, 75%, 76%)
CMYK	cmyk(75.1%, 45.1%, 0%, 24.3%)
CIE-LAB	lab(45.34, 11.66, -51.03)
CIE-LCH	lch(45.34, 52.34, 282.87°)
OKLab	oklab(53.23% -0.0296 -0.1462)
OKLCH	oklch(53.23% 0.149 258.6)
XYZ	xyz(15.9951, 14.7849, 52.4525)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306AC1 #C18730

analogous

#30B3C1 #306AC1 #3F30C1

triadic

#306AC1 #C1306A #6AC130

tetradic

#306AC1 #C130B3 #C18730 #30C13F

square

#306AC1 #C130B3 #C18730 #30C13F

split-complementary

#306AC1 #C13F30 #B3C130

monochromatic

#18345F #244F90 #306AC1 #598BD6 #8AADE2

Accessibility & contrast

On white

5.31

#306AC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#306AC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306AC1

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306AC1	#FFFFFF	#000000	##FFFFFF
##306AC1	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D72C4

Deuteranopia (green-blind)

#1E65BF

Tritanopia (blue-blind)

#007F8C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #306ac1;
/* rgb */ color: rgb(48, 106, 193);
/* oklch */ color: oklch(53.2% 0.149 258.6);

Tailwind

colors: {
  custom: {
    50: '#7c94d4',
    500: '#306ac1',
    950: '#000000',
  },
}

SCSS

$custom: #306ac1;
$custom-light: #7c94d4;
$custom-dark: #000000;

JSON

{
  "hex": "#306ac1",
  "rgb": {
    "r": 48,
    "g": 106,
    "b": 193
  },
  "hsl": {
    "h": 216,
    "s": 60.166,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53227,
    "c": 0.14921,
    "h": 258.6
  },
  "luminance": 0.14787
}

Semantic roles & 50–950 ramp

primary

#306AC1

secondary

#CCAE81

accent

#A444E3

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306AC1

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

Preview Lab → · Contrast checker → · Palette generator →