#305BAA#305BAA

#305BAA is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.3% C 0.136 H 261.4°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#305BAA
RGB	rgb(48, 91, 170)
HSL	hsl(219, 56%, 43%)
HSV	hsv(219, 72%, 67%)
CMYK	cmyk(71.8%, 46.5%, 0%, 33.3%)
CIE-LAB	lab(39.60, 12.65, -46.78)
CIE-LCH	lch(39.60, 48.46, 285.14°)
OKLab	oklab(48.34% -0.0204 -0.134)
OKLCH	oklch(48.34% 0.136 261.4)
XYZ	xyz(12.2131, 11.0115, 39.5042)
Luminance	0.1101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305BAA #AA7F30

analogous

#3098AA #305BAA #4230AA

triadic

#305BAA #AA305B #5BAA30

tetradic

#305BAA #AA3098 #AA7F30 #30AA42

square

#305BAA #AA3098 #AA7F30 #30AA42

split-complementary

#305BAA #AA4230 #98AA30

monochromatic

#15284B #23417A #305BAA #4B79CC #7B9CDA

Accessibility & contrast

On white

6.56

#305BAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#305BAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305BAA

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305BAA	#FFFFFF	#000000	##FFFFFF
##305BAA	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3263AD

Deuteranopia (green-blind)

#1858A8

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #305baa;
/* rgb */ color: rgb(48, 91, 170);
/* oklch */ color: oklch(48.3% 0.136 261.4);

Tailwind

colors: {
  custom: {
    50: '#7888c4',
    500: '#305baa',
    950: '#000000',
  },
}

SCSS

$custom: #305baa;
$custom-light: #7888c4;
$custom-dark: #000000;

JSON

{
  "hex": "#305baa",
  "rgb": {
    "r": 48,
    "g": 91,
    "b": 170
  },
  "hsl": {
    "h": 218.852,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48342,
    "c": 0.13556,
    "h": 261.4
  },
  "luminance": 0.11013
}

Semantic roles & 50–950 ramp

primary

#305BAA

secondary

#C2A674

accent

#AA49DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305BAA

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

Preview Lab → · Contrast checker → · Palette generator →