#305FC9#305FC9

#305FC9 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.5% C 0.173 H 263.5°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#305FC9
RGB	rgb(48, 95, 201)
HSL	hsl(222, 61%, 49%)
HSV	hsv(222, 76%, 79%)
CMYK	cmyk(76.1%, 52.7%, 0%, 21.2%)
CIE-LAB	lab(42.81, 21.74, -59.73)
CIE-LCH	lch(42.81, 63.56, 290.00°)
OKLab	oklab(51.46% -0.0196 -0.172)
OKLCH	oklch(51.46% 0.173 263.5)
XYZ	xyz(15.8500, 13.0281, 56.9263)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305FC9 #C99A30

analogous

#30ACC9 #305FC9 #4E30C9

triadic

#305FC9 #C9305F #5FC930

tetradic

#305FC9 #C930AC #C99A30 #30C94E

square

#305FC9 #C930AC #C99A30 #30C94E

split-complementary

#305FC9 #C94E30 #ACC930

monochromatic

#183066 #244898 #305FC9 #5E83D8 #8FA9E4

Accessibility & contrast

On white

5.82

#305FC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#305FC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305FC9

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305FC9	#FFFFFF	#000000	##FFFFFF
##305FC9	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#106CCD

Deuteranopia (green-blind)

#005EC7

Tritanopia (blue-blind)

#00798B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #305fc9;
/* rgb */ color: rgb(48, 95, 201);
/* oklch */ color: oklch(51.5% 0.173 263.5);

Tailwind

colors: {
  custom: {
    50: '#7e8bda',
    500: '#305fc9',
    950: '#000000',
  },
}

SCSS

$custom: #305fc9;
$custom-light: #7e8bda;
$custom-dark: #000000;

JSON

{
  "hex": "#305fc9",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 201
  },
  "hsl": {
    "h": 221.569,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51457,
    "c": 0.17316,
    "h": 263.5
  },
  "luminance": 0.1303
}

Semantic roles & 50–950 ramp

primary

#305FC9

secondary

#CFB886

accent

#B343E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0B0C15

muted

#7C7D83

Preview Lab

Preview with #305FC9

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

Preview Lab → · Contrast checker → · Palette generator →