#305FA6#305FA6

#305FA6 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.0% C 0.125 H 258.5°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#305FA6
RGB	rgb(48, 95, 166)
HSL	hsl(216, 55%, 42%)
HSV	hsv(216, 71%, 65%)
CMYK	cmyk(71.1%, 42.8%, 0%, 34.9%)
CIE-LAB	lab(40.52, 8.56, -42.95)
CIE-LCH	lch(40.52, 43.79, 281.27°)
OKLab	oklab(48.97% -0.0249 -0.1227)
OKLCH	oklch(48.97% 0.125 258.5)
XYZ	xyz(12.1916, 11.5647, 37.6587)
Luminance	0.1157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305FA6 #A67730

analogous

#309AA6 #305FA6 #3C30A6

triadic

#305FA6 #A6305F #5FA630

tetradic

#305FA6 #A6309A #A67730 #30A63C

square

#305FA6 #A6309A #A67730 #30A63C

split-complementary

#305FA6 #A63C30 #9AA630

monochromatic

#152947 #224477 #305FA6 #497CCA #789ED8

Accessibility & contrast

On white

6.34

#305FA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#305FA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305FA6

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305FA6	#FFFFFF	#000000	##FFFFFF
##305FA6	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D65A9

Deuteranopia (green-blind)

#295AA5

Tritanopia (blue-blind)

#006F7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #305fa6;
/* rgb */ color: rgb(48, 95, 166);
/* oklch */ color: oklch(49.0% 0.125 258.5);

Tailwind

colors: {
  custom: {
    50: '#778bc1',
    500: '#305fa6',
    950: '#000000',
  },
}

SCSS

$custom: #305fa6;
$custom-light: #778bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#305fa6",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 166
  },
  "hsl": {
    "h": 216.102,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48969,
    "c": 0.12518,
    "h": 258.5
  },
  "luminance": 0.11566
}

Semantic roles & 50–950 ramp

primary

#305FA6

secondary

#C0A171

accent

#A349DE

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #305FA6

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

Preview Lab → · Contrast checker → · Palette generator →