#305CC5#305CC5

#305CC5 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.5% C 0.171 H 264.1°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#305CC5
RGB	rgb(48, 92, 197)
HSL	hsl(222, 61%, 48%)
HSV	hsv(222, 76%, 77%)
CMYK	cmyk(75.6%, 53.3%, 0%, 22.7%)
CIE-LAB	lab(41.71, 22.18, -59.20)
CIE-LCH	lch(41.71, 63.21, 290.54°)
OKLab	oklab(50.54% -0.0177 -0.1705)
OKLCH	oklch(50.54% 0.171 264.1)
XYZ	xyz(15.1205, 12.3122, 54.3921)
Luminance	0.1231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305CC5 #C59930

analogous

#30A6C5 #305CC5 #4F30C5

triadic

#305CC5 #C5305C #5CC530

tetradic

#305CC5 #C530A6 #C59930 #30C54F

square

#305CC5 #C530A6 #C59930 #30C54F

split-complementary

#305CC5 #C54F30 #A6C530

monochromatic

#182E63 #244594 #305CC5 #5B80D7 #8CA6E3

Accessibility & contrast

On white

6.06

#305CC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#305CC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305CC5

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305CC5	#FFFFFF	#000000	##FFFFFF
##305CC5	1.00	6.06	3.46	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#096AC9

Deuteranopia (green-blind)

#005CC3

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #305cc5;
/* rgb */ color: rgb(48, 92, 197);
/* oklch */ color: oklch(50.5% 0.171 264.1);

Tailwind

colors: {
  custom: {
    50: '#7e89d7',
    500: '#305cc5',
    950: '#000000',
  },
}

SCSS

$custom: #305cc5;
$custom-light: #7e89d7;
$custom-dark: #000000;

JSON

{
  "hex": "#305cc5",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 197
  },
  "hsl": {
    "h": 222.282,
    "s": 60.816,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50535,
    "c": 0.17145,
    "h": 264.1
  },
  "luminance": 0.12314
}

Semantic roles & 50–950 ramp

primary

#305CC5

secondary

#CDB784

accent

#B544E4

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #305CC5

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

Preview Lab → · Contrast checker → · Palette generator →