#305BC0#305BC0

#305BC0 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.9% C 0.166 H 264.0°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#305BC0
RGB	rgb(48, 91, 192)
HSL	hsl(222, 60%, 47%)
HSV	hsv(222, 75%, 75%)
CMYK	cmyk(75%, 52.6%, 0%, 24.7%)
CIE-LAB	lab(41.08, 20.95, -57.31)
CIE-LCH	lch(41.08, 61.02, 290.08°)
OKLab	oklab(49.95% -0.0174 -0.165)
OKLCH	oklch(49.95% 0.166 264)
XYZ	xyz(14.4711, 11.9147, 51.3961)
Luminance	0.1192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305BC0 #C09530

analogous

#30A3C0 #305BC0 #4D30C0

triadic

#305BC0 #C0305B #5BC030

tetradic

#305BC0 #C030A3 #C09530 #30C04D

square

#305BC0 #C030A3 #C09530 #30C04D

split-complementary

#305BC0 #C04D30 #A3C030

monochromatic

#182D5E #24448F #305BC0 #587DD5 #89A3E1

Accessibility & contrast

On white

6.21

#305BC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#305BC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305BC0

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305BC0	#FFFFFF	#000000	##FFFFFF
##305BC0	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1368C4

Deuteranopia (green-blind)

#005BBE

Tritanopia (blue-blind)

#007385

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #305bc0;
/* rgb */ color: rgb(48, 91, 192);
/* oklch */ color: oklch(49.9% 0.166 264.0);

Tailwind

colors: {
  custom: {
    50: '#7c88d4',
    500: '#305bc0',
    950: '#000000',
  },
}

SCSS

$custom: #305bc0;
$custom-light: #7c88d4;
$custom-dark: #000000;

JSON

{
  "hex": "#305bc0",
  "rgb": {
    "r": 48,
    "g": 91,
    "b": 192
  },
  "hsl": {
    "h": 222.083,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.49946,
    "c": 0.16591,
    "h": 264
  },
  "luminance": 0.11916
}

Semantic roles & 50–950 ramp

primary

#305BC0

secondary

#CBB580

accent

#B445E3

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #305BC0

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

Preview Lab → · Contrast checker → · Palette generator →