#305FA9#305FA9

#305FA9 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.2% C 0.129 H 259.2°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#305FA9
RGB	rgb(48, 95, 169)
HSL	hsl(217, 56%, 43%)
HSV	hsv(217, 72%, 66%)
CMYK	cmyk(71.6%, 43.8%, 0%, 33.7%)
CIE-LAB	lab(40.70, 9.68, -44.43)
CIE-LCH	lch(40.70, 45.48, 282.30°)
OKLab	oklab(49.17% -0.0243 -0.127)
OKLCH	oklch(49.17% 0.129 259.2)
XYZ	xyz(12.4700, 11.6760, 39.1249)
Luminance	0.1168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305FA9 #A97A30

analogous

#309CA9 #305FA9 #3D30A9

triadic

#305FA9 #A9305F #5FA930

tetradic

#305FA9 #A9309C #A97A30 #30A93D

square

#305FA9 #A9309C #A97A30 #30A93D

split-complementary

#305FA9 #A93D30 #9CA930

monochromatic

#15294A #224479 #305FA9 #4A7DCC #7A9FD9

Accessibility & contrast

On white

6.30

#305FA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#305FA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305FA9

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305FA9	#FFFFFF	#000000	##FFFFFF
##305FA9	1.00	6.30	3.34	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B66AC

Deuteranopia (green-blind)

#255BA7

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #305fa9;
/* rgb */ color: rgb(48, 95, 169);
/* oklch */ color: oklch(49.2% 0.129 259.2);

Tailwind

colors: {
  custom: {
    50: '#778bc3',
    500: '#305fa9',
    950: '#000000',
  },
}

SCSS

$custom: #305fa9;
$custom-light: #778bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#305fa9",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 169
  },
  "hsl": {
    "h": 216.694,
    "s": 55.76,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49167,
    "c": 0.12935,
    "h": 259.2
  },
  "luminance": 0.11677
}

Semantic roles & 50–950 ramp

primary

#305FA9

secondary

#C2A373

accent

#A549DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #305FA9

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

Preview Lab → · Contrast checker → · Palette generator →