#306AC7#306AC7

#306AC7 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.6% C 0.157 H 259.5°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#306AC7
RGB	rgb(48, 106, 199)
HSL	hsl(217, 61%, 48%)
HSV	hsv(217, 76%, 78%)
CMYK	cmyk(75.9%, 46.7%, 0%, 22%)
CIE-LAB	lab(45.71, 13.92, -53.88)
CIE-LCH	lch(45.71, 55.65, 284.48°)
OKLab	oklab(53.64% -0.0286 -0.1546)
OKLCH	oklch(53.64% 0.157 259.5)
XYZ	xyz(16.6780, 15.0581, 56.0493)
Luminance	0.1506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306AC7 #C78D30

analogous

#30B5C7 #306AC7 #4230C7

triadic

#306AC7 #C7306A #6AC730

tetradic

#306AC7 #C730B5 #C78D30 #30C742

square

#306AC7 #C730B5 #C78D30 #30C742

split-complementary

#306AC7 #C74230 #B5C730

monochromatic

#183564 #245096 #306AC7 #5C8CD8 #8EAFE4

Accessibility & contrast

On white

5.23

#306AC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#306AC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306AC7

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306AC7	#FFFFFF	#000000	##FFFFFF
##306AC7	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3874CA

Deuteranopia (green-blind)

#0F66C5

Tritanopia (blue-blind)

#00808F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #306ac7;
/* rgb */ color: rgb(48, 106, 199);
/* oklch */ color: oklch(53.6% 0.157 259.5);

Tailwind

colors: {
  custom: {
    50: '#7d94d8',
    500: '#306ac7',
    950: '#000000',
  },
}

SCSS

$custom: #306ac7;
$custom-light: #7d94d8;
$custom-dark: #000000;

JSON

{
  "hex": "#306ac7",
  "rgb": {
    "r": 48,
    "g": 106,
    "b": 199
  },
  "hsl": {
    "h": 216.954,
    "s": 61.134,
    "l": 48.431
  },
  "oklch": {
    "l": 0.53638,
    "c": 0.15726,
    "h": 259.5
  },
  "luminance": 0.1506
}

Semantic roles & 50–950 ramp

primary

#306AC7

secondary

#CEB285

accent

#A744E4

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #306AC7

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

Preview Lab → · Contrast checker → · Palette generator →