#305DC0#305DC0

#305DC0 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.4% C 0.163 H 263.3°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#305DC0
RGB	rgb(48, 93, 192)
HSL	hsl(221, 60%, 47%)
HSV	hsv(221, 75%, 75%)
CMYK	cmyk(75%, 51.6%, 0%, 24.7%)
CIE-LAB	lab(41.63, 19.65, -56.42)
CIE-LCH	lch(41.63, 59.75, 289.20°)
OKLab	oklab(50.36% -0.019 -0.1623)
OKLCH	oklch(50.36% 0.163 263.3)
XYZ	xyz(14.6443, 12.2612, 51.4538)
Luminance	0.1226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DC0 #C09330

analogous

#30A5C0 #305DC0 #4B30C0

triadic

#305DC0 #C0305D #5DC030

tetradic

#305DC0 #C030A5 #C09330 #30C04B

square

#305DC0 #C030A5 #C09330 #30C04B

split-complementary

#305DC0 #C04B30 #A5C030

monochromatic

#182E5E #24458F #305DC0 #587FD5 #89A5E1

Accessibility & contrast

On white

6.08

#305DC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#305DC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DC0

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DC0	#FFFFFF	#000000	##FFFFFF
##305DC0	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C69C4

Deuteranopia (green-blind)

#005CBE

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #305dc0;
/* rgb */ color: rgb(48, 93, 192);
/* oklch */ color: oklch(50.4% 0.163 263.3);

Tailwind

colors: {
  custom: {
    50: '#7c8ad4',
    500: '#305dc0',
    950: '#000000',
  },
}

SCSS

$custom: #305dc0;
$custom-light: #7c8ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#305dc0",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 192
  },
  "hsl": {
    "h": 221.25,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.50362,
    "c": 0.16346,
    "h": 263.3
  },
  "luminance": 0.12263
}

Semantic roles & 50–950 ramp

primary

#305DC0

secondary

#CBB480

accent

#B245E3

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #305DC0

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

Preview Lab → · Contrast checker → · Palette generator →