#305AAA#305AAA

#305AAA is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.1% C 0.137 H 261.8°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#305AAA
RGB	rgb(48, 90, 170)
HSL	hsl(219, 56%, 43%)
HSV	hsv(219, 72%, 67%)
CMYK	cmyk(71.8%, 47.1%, 0%, 33.3%)
CIE-LAB	lab(39.31, 13.31, -47.24)
CIE-LCH	lch(39.31, 49.08, 285.73°)
OKLab	oklab(48.12% -0.0194 -0.1354)
OKLCH	oklch(48.12% 0.137 261.8)
XYZ	xyz(12.1282, 10.8417, 39.4759)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305AAA #AA8030

analogous

#3097AA #305AAA #4330AA

triadic

#305AAA #AA305A #5AAA30

tetradic

#305AAA #AA3097 #AA8030 #30AA43

square

#305AAA #AA3097 #AA8030 #30AA43

split-complementary

#305AAA #AA4330 #97AA30

monochromatic

#15274B #23417A #305AAA #4B77CC #7B9BDA

Accessibility & contrast

On white

6.63

#305AAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#305AAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305AAA

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305AAA	#FFFFFF	#000000	##FFFFFF
##305AAA	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3063AD

Deuteranopia (green-blind)

#1457A8

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #305aaa;
/* rgb */ color: rgb(48, 90, 170);
/* oklch */ color: oklch(48.1% 0.137 261.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#305aaa",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 170
  },
  "hsl": {
    "h": 219.344,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48121,
    "c": 0.13679,
    "h": 261.8
  },
  "luminance": 0.10843
}

Semantic roles & 50–950 ramp

primary

#305AAA

secondary

#C2A774

accent

#AB49DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305AAA

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

Preview Lab → · Contrast checker → · Palette generator →