#305CAA#305CAA

#305CAA is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.6% C 0.134 H 260.9°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#305CAA
RGB	rgb(48, 92, 170)
HSL	hsl(218, 56%, 43%)
HSV	hsv(218, 72%, 67%)
CMYK	cmyk(71.8%, 45.9%, 0%, 33.3%)
CIE-LAB	lab(39.89, 12.00, -46.32)
CIE-LCH	lch(39.89, 47.85, 284.53°)
OKLab	oklab(48.56% -0.0213 -0.1326)
OKLCH	oklch(48.56% 0.134 260.9)
XYZ	xyz(12.2992, 11.1836, 39.5329)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305CAA #AA7E30

analogous

#3099AA #305CAA #4130AA

triadic

#305CAA #AA305C #5CAA30

tetradic

#305CAA #AA3099 #AA7E30 #30AA41

square

#305CAA #AA3099 #AA7E30 #30AA41

split-complementary

#305CAA #AA4130 #99AA30

monochromatic

#15284B #23427A #305CAA #4B7ACC #7B9DDA

Accessibility & contrast

On white

6.49

#305CAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#305CAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305CAA

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305CAA	#FFFFFF	#000000	##FFFFFF
##305CAA	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3464AD

Deuteranopia (green-blind)

#1C59A8

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #305caa;
/* rgb */ color: rgb(48, 92, 170);
/* oklch */ color: oklch(48.6% 0.134 260.9);

Tailwind

colors: {
  custom: {
    50: '#7889c4',
    500: '#305caa',
    950: '#000000',
  },
}

SCSS

$custom: #305caa;
$custom-light: #7889c4;
$custom-dark: #000000;

JSON

{
  "hex": "#305caa",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 170
  },
  "hsl": {
    "h": 218.361,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48564,
    "c": 0.13435,
    "h": 260.9
  },
  "luminance": 0.11185
}

Semantic roles & 50–950 ramp

primary

#305CAA

secondary

#C2A674

accent

#A949DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305CAA

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

Preview Lab → · Contrast checker → · Palette generator →