#305DA9#305DA9

#305DA9 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.7% C 0.132 H 260.2°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#305DA9
RGB	rgb(48, 93, 169)
HSL	hsl(218, 56%, 43%)
HSV	hsv(218, 72%, 66%)
CMYK	cmyk(71.6%, 45%, 0%, 33.7%)
CIE-LAB	lab(40.11, 10.98, -45.37)
CIE-LCH	lch(40.11, 46.67, 283.60°)
OKLab	oklab(48.72% -0.0224 -0.1298)
OKLCH	oklch(48.72% 0.132 260.2)
XYZ	xyz(12.2921, 11.3204, 39.0657)
Luminance	0.1132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DA9 #A97C30

analogous

#3099A9 #305DA9 #4030A9

triadic

#305DA9 #A9305D #5DA930

tetradic

#305DA9 #A93099 #A97C30 #30A940

square

#305DA9 #A93099 #A97C30 #30A940

split-complementary

#305DA9 #A94030 #99A930

monochromatic

#15294A #224379 #305DA9 #4A7BCC #7A9ED9

Accessibility & contrast

On white

6.43

#305DA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#305DA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DA9

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DA9	#FFFFFF	#000000	##FFFFFF
##305DA9	1.00	6.43	3.26	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3765AC

Deuteranopia (green-blind)

#2059A7

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #305da9;
/* rgb */ color: rgb(48, 93, 169);
/* oklch */ color: oklch(48.7% 0.132 260.2);

Tailwind

colors: {
  custom: {
    50: '#778ac3',
    500: '#305da9',
    950: '#000000',
  },
}

SCSS

$custom: #305da9;
$custom-light: #778ac3;
$custom-dark: #000000;

JSON

{
  "hex": "#305da9",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 169
  },
  "hsl": {
    "h": 217.686,
    "s": 55.76,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48718,
    "c": 0.13174,
    "h": 260.2
  },
  "luminance": 0.11322
}

Semantic roles & 50–950 ramp

primary

#305DA9

secondary

#C2A473

accent

#A749DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #305DA9

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

Preview Lab → · Contrast checker → · Palette generator →