#305DC4#305DC4

#305DC4 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.7% C 0.169 H 263.7°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#305DC4
RGB	rgb(48, 93, 196)
HSL	hsl(222, 61%, 48%)
HSV	hsv(222, 76%, 77%)
CMYK	cmyk(75.5%, 52.6%, 0%, 23.1%)
CIE-LAB	lab(41.91, 21.16, -58.29)
CIE-LCH	lch(41.91, 62.01, 289.95°)
OKLab	oklab(50.66% -0.0186 -0.1678)
OKLCH	oklch(50.66% 0.169 263.7)
XYZ	xyz(15.0935, 12.4409, 53.8197)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DC4 #C49730

analogous

#30A7C4 #305DC4 #4D30C4

triadic

#305DC4 #C4305D #5DC430

tetradic

#305DC4 #C430A7 #C49730 #30C44D

square

#305DC4 #C430A7 #C49730 #30C44D

split-complementary

#305DC4 #C44D30 #A7C430

monochromatic

#182E62 #244693 #305DC4 #5A80D7 #8CA6E3

Accessibility & contrast

On white

6.02

#305DC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#305DC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DC4

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DC4	#FFFFFF	#000000	##FFFFFF
##305DC4	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#136AC8

Deuteranopia (green-blind)

#005CC2

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #305dc4;
/* rgb */ color: rgb(48, 93, 196);
/* oklch */ color: oklch(50.7% 0.169 263.7);

Tailwind

colors: {
  custom: {
    50: '#7d8ad7',
    500: '#305dc4',
    950: '#000000',
  },
}

SCSS

$custom: #305dc4;
$custom-light: #7d8ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#305dc4",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 196
  },
  "hsl": {
    "h": 221.757,
    "s": 60.656,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50664,
    "c": 0.16887,
    "h": 263.7
  },
  "luminance": 0.12443
}

Semantic roles & 50–950 ramp

primary

#305DC4

secondary

#CDB683

accent

#B344E4

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #305DC4

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

Preview Lab → · Contrast checker → · Palette generator →