#305CA1#305CA1

#305CA1 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.0% C 0.122 H 259.1°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#305CA1
RGB	rgb(48, 92, 161)
HSL	hsl(217, 54%, 41%)
HSV	hsv(217, 70%, 63%)
CMYK	cmyk(70.2%, 42.9%, 0%, 36.9%)
CIE-LAB	lab(39.33, 8.62, -41.86)
CIE-LCH	lch(39.33, 42.74, 281.64°)
OKLab	oklab(47.96% -0.023 -0.1195)
OKLCH	oklch(47.96% 0.122 259.1)
XYZ	xyz(11.4768, 10.8547, 35.2016)
Luminance	0.1086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305CA1 #A17530

analogous

#3094A1 #305CA1 #3C30A1

triadic

#305CA1 #A1305C #5CA130

tetradic

#305CA1 #A13094 #A17530 #30A13C

square

#305CA1 #A13094 #A17530 #30A13C

split-complementary

#305CA1 #A13C30 #94A130

monochromatic

#142643 #224172 #305CA1 #4679C8 #759BD6

Accessibility & contrast

On white

6.62

#305CA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#305CA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305CA1

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305CA1	#FFFFFF	#000000	##FFFFFF
##305CA1	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B62A4

Deuteranopia (green-blind)

#2958A0

Tritanopia (blue-blind)

#006C76

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #305ca1;
/* rgb */ color: rgb(48, 92, 161);
/* oklch */ color: oklch(48.0% 0.122 259.1);

Tailwind

colors: {
  custom: {
    50: '#7689bd',
    500: '#305ca1',
    950: '#000000',
  },
}

SCSS

$custom: #305ca1;
$custom-light: #7689bd;
$custom-dark: #000000;

JSON

{
  "hex": "#305ca1",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 161
  },
  "hsl": {
    "h": 216.637,
    "s": 54.067,
    "l": 40.98
  },
  "oklch": {
    "l": 0.47958,
    "c": 0.12173,
    "h": 259.1
  },
  "luminance": 0.10856
}

Semantic roles & 50–950 ramp

primary

#305CA1

secondary

#BE9F6F

accent

#A44ADD

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #305CA1

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

Preview Lab → · Contrast checker → · Palette generator →