#305DAD#305DAD

#305DAD is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.0% C 0.137 H 260.9°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#305DAD
RGB	rgb(48, 93, 173)
HSL	hsl(218, 57%, 43%)
HSV	hsv(218, 72%, 68%)
CMYK	cmyk(72.3%, 46.2%, 0%, 32.2%)
CIE-LAB	lab(40.37, 12.48, -47.33)
CIE-LCH	lch(40.37, 48.95, 284.78°)
OKLab	oklab(48.99% -0.0217 -0.1356)
OKLCH	oklch(48.99% 0.137 260.9)
XYZ	xyz(12.6734, 11.4729, 41.0736)
Luminance	0.1147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DAD #AD8030

analogous

#309BAD #305DAD #4130AD

triadic

#305DAD #AD305D #5DAD30

tetradic

#305DAD #AD309B #AD8030 #30AD41

square

#305DAD #AD309B #AD8030 #30AD41

split-complementary

#305DAD #AD4130 #9BAD30

monochromatic

#15294D #23437D #305DAD #4D7BCE #7D9FDB

Accessibility & contrast

On white

6.37

#305DAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#305DAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DAD

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DAD	#FFFFFF	#000000	##FFFFFF
##305DAD	1.00	6.37	3.29	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3465B0

Deuteranopia (green-blind)

#195AAB

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #305dad;
/* rgb */ color: rgb(48, 93, 173);
/* oklch */ color: oklch(49.0% 0.137 260.9);

Tailwind

colors: {
  custom: {
    50: '#788ac6',
    500: '#305dad',
    950: '#000000',
  },
}

SCSS

$custom: #305dad;
$custom-light: #788ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#305dad",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 173
  },
  "hsl": {
    "h": 218.4,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48992,
    "c": 0.13731,
    "h": 260.9
  },
  "luminance": 0.11474
}

Semantic roles & 50–950 ramp

primary

#305DAD

secondary

#C3A775

accent

#A948E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305DAD

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

Preview Lab → · Contrast checker → · Palette generator →