#305BD0#305BD0

#305BD0 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.2% C 0.187 H 265.0°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#305BD0
RGB	rgb(48, 91, 208)
HSL	hsl(224, 63%, 50%)
HSV	hsv(224, 77%, 82%)
CMYK	cmyk(76.9%, 56.2%, 0%, 18.4%)
CIE-LAB	lab(42.25, 26.95, -64.66)
CIE-LCH	lch(42.25, 70.05, 292.62°)
OKLab	oklab(51.2% -0.0162 -0.1866)
OKLCH	oklch(51.2% 0.187 265)
XYZ	xyz(16.3412, 12.6628, 61.2452)
Luminance	0.1267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305BD0 #D0A530

analogous

#30ABD0 #305BD0 #5530D0

triadic

#305BD0 #D0305B #5BD030

tetradic

#305BD0 #D030AB #D0A530 #30D055

square

#305BD0 #D030AB #D0A530 #30D055

split-complementary

#305BD0 #D05530 #ABD030

monochromatic

#192F6D #24459F #305BD0 #6283DB #94AAE7

Accessibility & contrast

On white

5.94

#305BD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#305BD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305BD0

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305BD0	#FFFFFF	#000000	##FFFFFF
##305BD0	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD4

Deuteranopia (green-blind)

#005DCE

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #305bd0;
/* rgb */ color: rgb(48, 91, 208);
/* oklch */ color: oklch(51.2% 0.187 265.0);

Tailwind

colors: {
  custom: {
    50: '#8088df',
    500: '#305bd0',
    950: '#000000',
  },
}

SCSS

$custom: #305bd0;
$custom-light: #8088df;
$custom-dark: #000000;

JSON

{
  "hex": "#305bd0",
  "rgb": {
    "r": 48,
    "g": 91,
    "b": 208
  },
  "hsl": {
    "h": 223.875,
    "s": 62.992,
    "l": 50.196
  },
  "oklch": {
    "l": 0.512,
    "c": 0.18732,
    "h": 265
  },
  "luminance": 0.12665
}

Semantic roles & 50–950 ramp

primary

#305BD0

secondary

#D2BE8A

accent

#BA42E6

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #305BD0

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

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