#305DAA#305DAA

#305DAA is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.8% C 0.133 H 260.4°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#305DAA
RGB	rgb(48, 93, 170)
HSL	hsl(218, 56%, 43%)
HSV	hsv(218, 72%, 67%)
CMYK	cmyk(71.8%, 45.3%, 0%, 33.3%)
CIE-LAB	lab(40.18, 11.35, -45.86)
CIE-LCH	lch(40.18, 47.24, 283.91°)
OKLab	oklab(48.79% -0.0222 -0.1313)
OKLCH	oklch(48.79% 0.133 260.4)
XYZ	xyz(12.3864, 11.3580, 39.5620)
Luminance	0.1136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DAA #AA7D30

analogous

#309AAA #305DAA #4030AA

triadic

#305DAA #AA305D #5DAA30

tetradic

#305DAA #AA309A #AA7D30 #30AA40

square

#305DAA #AA309A #AA7D30 #30AA40

split-complementary

#305DAA #AA4030 #9AAA30

monochromatic

#15294B #23437A #305DAA #4B7BCC #7B9EDA

Accessibility & contrast

On white

6.42

#305DAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#305DAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DAA

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DAA	#FFFFFF	#000000	##FFFFFF
##305DAA	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3665AD

Deuteranopia (green-blind)

#1F59A8

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #305daa;
/* rgb */ color: rgb(48, 93, 170);
/* oklch */ color: oklch(48.8% 0.133 260.4);

Tailwind

colors: {
  custom: {
    50: '#788ac4',
    500: '#305daa',
    950: '#000000',
  },
}

SCSS

$custom: #305daa;
$custom-light: #788ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#305daa",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 170
  },
  "hsl": {
    "h": 217.869,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48786,
    "c": 0.13314,
    "h": 260.4
  },
  "luminance": 0.11359
}

Semantic roles & 50–950 ramp

primary

#305DAA

secondary

#C2A574

accent

#A849DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305DAA

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

Preview Lab → · Contrast checker → · Palette generator →