#305DC9#305DC9

#305DC9 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.0% C 0.176 H 264.1°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#305DC9
RGB	rgb(48, 93, 201)
HSL	hsl(222, 61%, 49%)
HSV	hsv(222, 76%, 79%)
CMYK	cmyk(76.1%, 53.7%, 0%, 21.2%)
CIE-LAB	lab(42.27, 23.03, -60.61)
CIE-LCH	lch(42.27, 64.84, 290.81°)
OKLab	oklab(51.05% -0.0181 -0.1747)
OKLCH	oklch(51.05% 0.176 264.1)
XYZ	xyz(15.6721, 12.6724, 56.8671)
Luminance	0.1267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DC9 #C99C30

analogous

#30AAC9 #305DC9 #5030C9

triadic

#305DC9 #C9305D #5DC930

tetradic

#305DC9 #C930AA #C99C30 #30C950

square

#305DC9 #C930AA #C99C30 #30C950

split-complementary

#305DC9 #C95030 #AAC930

monochromatic

#182F66 #244698 #305DC9 #5E82D8 #8FA8E4

Accessibility & contrast

On white

5.94

#305DC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#305DC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DC9

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DC9	#FFFFFF	#000000	##FFFFFF
##305DC9	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)

#006BCD

Deuteranopia (green-blind)

#005DC7

Tritanopia (blue-blind)

#00778A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #305dc9;
/* rgb */ color: rgb(48, 93, 201);
/* oklch */ color: oklch(51.0% 0.176 264.1);

Tailwind

colors: {
  custom: {
    50: '#7e8ada',
    500: '#305dc9',
    950: '#000000',
  },
}

SCSS

$custom: #305dc9;
$custom-light: #7e8ada;
$custom-dark: #000000;

JSON

{
  "hex": "#305dc9",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 201
  },
  "hsl": {
    "h": 222.353,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51048,
    "c": 0.1756,
    "h": 264.1
  },
  "luminance": 0.12674
}

Semantic roles & 50–950 ramp

primary

#305DC9

secondary

#CFB986

accent

#B543E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #305DC9

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

Preview Lab → · Contrast checker → · Palette generator →