#305AC7#305AC7

#305AC7 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.3% C 0.177 H 264.8°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#305AC7
RGB	rgb(48, 90, 199)
HSL	hsl(223, 61%, 48%)
HSV	hsv(223, 76%, 78%)
CMYK	cmyk(75.9%, 54.8%, 0%, 22%)
CIE-LAB	lab(41.32, 24.23, -60.99)
CIE-LCH	lch(41.32, 65.63, 291.67°)
OKLab	oklab(50.28% -0.0161 -0.1758)
OKLCH	oklch(50.28% 0.177 264.8)
XYZ	xyz(15.1802, 12.0625, 55.5500)
Luminance	0.1206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305AC7 #C79D30

analogous

#30A5C7 #305AC7 #5130C7

triadic

#305AC7 #C7305A #5AC730

tetradic

#305AC7 #C730A5 #C79D30 #30C751

square

#305AC7 #C730A5 #C79D30 #30C751

split-complementary

#305AC7 #C75130 #A5C730

monochromatic

#182D64 #244496 #305AC7 #5C7FD8 #8EA6E4

Accessibility & contrast

On white

6.15

#305AC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#305AC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305AC7

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305AC7	#FFFFFF	#000000	##FFFFFF
##305AC7	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CB

Deuteranopia (green-blind)

#005BC5

Tritanopia (blue-blind)

#007588

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #305ac7;
/* rgb */ color: rgb(48, 90, 199);
/* oklch */ color: oklch(50.3% 0.177 264.8);

Tailwind

colors: {
  custom: {
    50: '#7e88d9',
    500: '#305ac7',
    950: '#000000',
  },
}

SCSS

$custom: #305ac7;
$custom-light: #7e88d9;
$custom-dark: #000000;

JSON

{
  "hex": "#305ac7",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 199
  },
  "hsl": {
    "h": 223.311,
    "s": 61.134,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50284,
    "c": 0.17657,
    "h": 264.8
  },
  "luminance": 0.12064
}

Semantic roles & 50–950 ramp

primary

#305AC7

secondary

#CEBA85

accent

#B844E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #305AC7

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

Preview Lab → · Contrast checker → · Palette generator →