#305DB2#305DB2

#305DB2 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.3% C 0.144 H 261.7°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#305DB2
RGB	rgb(48, 93, 178)
HSL	hsl(219, 58%, 44%)
HSV	hsv(219, 73%, 70%)
CMYK	cmyk(73%, 47.8%, 0%, 30.2%)
CIE-LAB	lab(40.69, 14.37, -49.76)
CIE-LCH	lch(40.69, 51.79, 286.11°)
OKLab	oklab(49.34% -0.0208 -0.1427)
OKLCH	oklch(49.34% 0.144 261.7)
XYZ	xyz(13.1663, 11.6700, 43.6695)
Luminance	0.1167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DB2 #B28530

analogous

#309EB2 #305DB2 #4430B2

triadic

#305DB2 #B2305D #5DB230

tetradic

#305DB2 #B2309E #B28530 #30B244

square

#305DB2 #B2309E #B28530 #30B244

split-complementary

#305DB2 #B24430 #9EB230

monochromatic

#162B52 #234482 #305DB2 #507CD0 #80A0DD

Accessibility & contrast

On white

6.30

#305DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#305DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DB2

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DB2	#FFFFFF	#000000	##FFFFFF
##305DB2	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F66B5

Deuteranopia (green-blind)

#0C5AB0

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #305db2;
/* rgb */ color: rgb(48, 93, 178);
/* oklch */ color: oklch(49.3% 0.144 261.7);

Tailwind

colors: {
  custom: {
    50: '#798ac9',
    500: '#305db2',
    950: '#000000',
  },
}

SCSS

$custom: #305db2;
$custom-light: #798ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#305db2",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 178
  },
  "hsl": {
    "h": 219.231,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49342,
    "c": 0.14424,
    "h": 261.7
  },
  "luminance": 0.11671
}

Semantic roles & 50–950 ramp

primary

#305DB2

secondary

#C6AB78

accent

#AC47E1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305DB2

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

Preview Lab → · Contrast checker → · Palette generator →