#305DC3#305DC3

#305DC3 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.6% C 0.168 H 263.6°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#305DC3
RGB	rgb(48, 93, 195)
HSL	hsl(222, 60%, 48%)
HSV	hsv(222, 75%, 76%)
CMYK	cmyk(75.4%, 52.3%, 0%, 23.5%)
CIE-LAB	lab(41.84, 20.78, -57.83)
CIE-LCH	lch(41.84, 61.45, 289.77°)
OKLab	oklab(50.59% -0.0187 -0.1665)
OKLCH	oklch(50.59% 0.168 263.6)
XYZ	xyz(14.9801, 12.3955, 53.2223)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DC3 #C39630

analogous

#30A6C3 #305DC3 #4D30C3

triadic

#305DC3 #C3305D #5DC330

tetradic

#305DC3 #C330A6 #C39630 #30C34D

square

#305DC3 #C330A6 #C39630 #30C34D

split-complementary

#305DC3 #C34D30 #A6C330

monochromatic

#182E61 #244692 #305DC3 #5A80D6 #8BA6E2

Accessibility & contrast

On white

6.04

#305DC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#305DC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DC3

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DC3	#FFFFFF	#000000	##FFFFFF
##305DC3	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#166AC7

Deuteranopia (green-blind)

#005CC1

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #305dc3;
/* rgb */ color: rgb(48, 93, 195);
/* oklch */ color: oklch(50.6% 0.168 263.6);

Tailwind

colors: {
  custom: {
    50: '#7d8ad6',
    500: '#305dc3',
    950: '#000000',
  },
}

SCSS

$custom: #305dc3;
$custom-light: #7d8ad6;
$custom-dark: #000000;

JSON

{
  "hex": "#305dc3",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 195
  },
  "hsl": {
    "h": 221.633,
    "s": 60.494,
    "l": 47.647
  },
  "oklch": {
    "l": 0.50588,
    "c": 0.16752,
    "h": 263.6
  },
  "luminance": 0.12397
}

Semantic roles & 50–950 ramp

primary

#305DC3

secondary

#CCB682

accent

#B344E4

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #305DC3

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

Preview Lab → · Contrast checker → · Palette generator →