#305FAA#305FAA

#305FAA is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.2% C 0.131 H 259.4°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#305FAA
RGB	rgb(48, 95, 170)
HSL	hsl(217, 56%, 43%)
HSV	hsv(217, 72%, 67%)
CMYK	cmyk(71.8%, 44.1%, 0%, 33.3%)
CIE-LAB	lab(40.76, 10.06, -44.93)
CIE-LCH	lch(40.76, 46.04, 282.62°)
OKLab	oklab(49.23% -0.0241 -0.1285)
OKLCH	oklch(49.23% 0.131 259.4)
XYZ	xyz(12.5642, 11.7137, 39.6212)
Luminance	0.1172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305FAA #AA7B30

analogous

#309CAA #305FAA #3E30AA

triadic

#305FAA #AA305F #5FAA30

tetradic

#305FAA #AA309C #AA7B30 #30AA3E

square

#305FAA #AA309C #AA7B30 #30AA3E

split-complementary

#305FAA #AA3E30 #9CAA30

monochromatic

#152A4B #23447A #305FAA #4B7DCC #7B9FDA

Accessibility & contrast

On white

6.28

#305FAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#305FAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305FAA

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305FAA	#FFFFFF	#000000	##FFFFFF
##305FAA	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A66AD

Deuteranopia (green-blind)

#245BA8

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #305faa;
/* rgb */ color: rgb(48, 95, 170);
/* oklch */ color: oklch(49.2% 0.131 259.4);

Tailwind

colors: {
  custom: {
    50: '#788bc4',
    500: '#305faa',
    950: '#000000',
  },
}

SCSS

$custom: #305faa;
$custom-light: #788bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#305faa",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 170
  },
  "hsl": {
    "h": 216.885,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49234,
    "c": 0.13073,
    "h": 259.4
  },
  "luminance": 0.11715
}

Semantic roles & 50–950 ramp

primary

#305FAA

secondary

#C2A474

accent

#A549DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #305FAA

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

Preview Lab → · Contrast checker → · Palette generator →