#306AC3#306AC3

#306AC3 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.4% C 0.152 H 258.9°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#306AC3
RGB	rgb(48, 106, 195)
HSL	hsl(216, 60%, 48%)
HSV	hsv(216, 75%, 76%)
CMYK	cmyk(75.4%, 45.6%, 0%, 23.5%)
CIE-LAB	lab(45.46, 12.41, -51.98)
CIE-LCH	lch(45.46, 53.45, 283.43°)
OKLab	oklab(53.36% -0.0292 -0.149)
OKLCH	oklch(53.36% 0.152 258.9)
XYZ	xyz(16.2197, 14.8747, 53.6355)
Luminance	0.1488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306AC3 #C38930

analogous

#30B3C3 #306AC3 #4030C3

triadic

#306AC3 #C3306A #6AC330

tetradic

#306AC3 #C330B3 #C38930 #30C340

square

#306AC3 #C330B3 #C38930 #30C340

split-complementary

#306AC3 #C34030 #B3C330

monochromatic

#183561 #244F92 #306AC3 #5A8BD6 #8BADE2

Accessibility & contrast

On white

5.28

#306AC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#306AC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306AC3

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306AC3	#FFFFFF	#000000	##FFFFFF
##306AC3	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B73C6

Deuteranopia (green-blind)

#1A65C1

Tritanopia (blue-blind)

#007F8D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #306ac3;
/* rgb */ color: rgb(48, 106, 195);
/* oklch */ color: oklch(53.4% 0.152 258.9);

Tailwind

colors: {
  custom: {
    50: '#7d94d6',
    500: '#306ac3',
    950: '#000000',
  },
}

SCSS

$custom: #306ac3;
$custom-light: #7d94d6;
$custom-dark: #000000;

JSON

{
  "hex": "#306ac3",
  "rgb": {
    "r": 48,
    "g": 106,
    "b": 195
  },
  "hsl": {
    "h": 216.327,
    "s": 60.494,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53363,
    "c": 0.15189,
    "h": 258.9
  },
  "luminance": 0.14877
}

Semantic roles & 50–950 ramp

primary

#306AC3

secondary

#CCAF82

accent

#A544E4

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306AC3

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

Preview Lab → · Contrast checker → · Palette generator →