#305FC7#305FC7

#305FC7 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.3% C 0.170 H 263.3°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#305FC7
RGB	rgb(48, 95, 199)
HSL	hsl(221, 61%, 48%)
HSV	hsv(221, 76%, 78%)
CMYK	cmyk(75.9%, 52.3%, 0%, 22%)
CIE-LAB	lab(42.66, 20.99, -58.80)
CIE-LCH	lch(42.66, 62.44, 289.64°)
OKLab	oklab(51.31% -0.0198 -0.1693)
OKLCH	oklch(51.31% 0.17 263.3)
XYZ	xyz(15.6163, 12.9346, 55.6953)
Luminance	0.1294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305FC7 #C79830

analogous

#30AAC7 #305FC7 #4D30C7

triadic

#305FC7 #C7305F #5FC730

tetradic

#305FC7 #C730AA #C79830 #30C74D

square

#305FC7 #C730AA #C79830 #30C74D

split-complementary

#305FC7 #C74D30 #AAC730

monochromatic

#183064 #244796 #305FC7 #5C83D8 #8EA8E4

Accessibility & contrast

On white

5.85

#305FC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#305FC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305FC7

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305FC7	#FFFFFF	#000000	##FFFFFF
##305FC7	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#166CCB

Deuteranopia (green-blind)

#005EC5

Tritanopia (blue-blind)

#00788A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #305fc7;
/* rgb */ color: rgb(48, 95, 199);
/* oklch */ color: oklch(51.3% 0.170 263.3);

Tailwind

colors: {
  custom: {
    50: '#7e8bd9',
    500: '#305fc7',
    950: '#000000',
  },
}

SCSS

$custom: #305fc7;
$custom-light: #7e8bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#305fc7",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 199
  },
  "hsl": {
    "h": 221.325,
    "s": 61.134,
    "l": 48.431
  },
  "oklch": {
    "l": 0.51306,
    "c": 0.17047,
    "h": 263.3
  },
  "luminance": 0.12936
}

Semantic roles & 50–950 ramp

primary

#305FC7

secondary

#CEB785

accent

#B244E4

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C15

muted

#7C7D83

Preview Lab

Preview with #305FC7

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

Preview Lab → · Contrast checker → · Palette generator →