#305CC0#305CC0

#305CC0 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.2% C 0.165 H 263.7°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#305CC0
RGB	rgb(48, 92, 192)
HSL	hsl(222, 60%, 47%)
HSV	hsv(222, 75%, 75%)
CMYK	cmyk(75%, 52.1%, 0%, 24.7%)
CIE-LAB	lab(41.35, 20.30, -56.87)
CIE-LCH	lch(41.35, 60.38, 289.65°)
OKLab	oklab(50.15% -0.0182 -0.1637)
OKLCH	oklch(50.15% 0.165 263.7)
XYZ	xyz(14.5571, 12.0868, 51.4247)
Luminance	0.1209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305CC0 #C09430

analogous

#30A4C0 #305CC0 #4C30C0

triadic

#305CC0 #C0305C #5CC030

tetradic

#305CC0 #C030A4 #C09430 #30C04C

square

#305CC0 #C030A4 #C09430 #30C04C

split-complementary

#305CC0 #C04C30 #A4C030

monochromatic

#182D5E #24458F #305CC0 #587ED5 #89A4E1

Accessibility & contrast

On white

6.14

#305CC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#305CC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305CC0

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305CC0	#FFFFFF	#000000	##FFFFFF
##305CC0	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1868C4

Deuteranopia (green-blind)

#005BBE

Tritanopia (blue-blind)

#007485

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #305cc0;
/* rgb */ color: rgb(48, 92, 192);
/* oklch */ color: oklch(50.2% 0.165 263.7);

Tailwind

colors: {
  custom: {
    50: '#7c89d4',
    500: '#305cc0',
    950: '#000000',
  },
}

SCSS

$custom: #305cc0;
$custom-light: #7c89d4;
$custom-dark: #000000;

JSON

{
  "hex": "#305cc0",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 192
  },
  "hsl": {
    "h": 221.667,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.50154,
    "c": 0.16468,
    "h": 263.7
  },
  "luminance": 0.12088
}

Semantic roles & 50–950 ramp

primary

#305CC0

secondary

#CBB480

accent

#B345E3

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #305CC0

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

Preview Lab → · Contrast checker → · Palette generator →