#305FBA#305FBA

#305FBA is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.3% C 0.153 H 262.0°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#305FBA
RGB	rgb(48, 95, 186)
HSL	hsl(220, 59%, 46%)
HSV	hsv(220, 74%, 73%)
CMYK	cmyk(74.2%, 48.9%, 0%, 27.1%)
CIE-LAB	lab(41.78, 16.09, -52.69)
CIE-LCH	lch(41.78, 55.09, 286.98°)
OKLab	oklab(50.35% -0.0214 -0.1513)
OKLCH	oklch(50.35% 0.153 262)
XYZ	xyz(14.1709, 12.3564, 48.0830)
Luminance	0.1236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305FBA #BA8B30

analogous

#30A4BA #305FBA #4630BA

triadic

#305FBA #BA305F #5FBA30

tetradic

#305FBA #BA30A4 #BA8B30 #30BA46

square

#305FBA #BA30A4 #BA8B30 #30BA46

split-complementary

#305FBA #BA4630 #A4BA30

monochromatic

#172D59 #234689 #305FBA #547FD3 #85A4DF

Accessibility & contrast

On white

6.05

#305FBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#305FBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305FBA

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305FBA	#FFFFFF	#000000	##FFFFFF
##305FBA	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B69BD

Deuteranopia (green-blind)

#005DB8

Tritanopia (blue-blind)

#007583

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #305fba;
/* rgb */ color: rgb(48, 95, 186);
/* oklch */ color: oklch(50.3% 0.153 262.0);

Tailwind

colors: {
  custom: {
    50: '#7b8bcf',
    500: '#305fba',
    950: '#000000',
  },
}

SCSS

$custom: #305fba;
$custom-light: #7b8bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#305fba",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 186
  },
  "hsl": {
    "h": 219.565,
    "s": 58.974,
    "l": 45.882
  },
  "oklch": {
    "l": 0.50346,
    "c": 0.15282,
    "h": 262
  },
  "luminance": 0.12358
}

Semantic roles & 50–950 ramp

primary

#305FBA

secondary

#C9AF7D

accent

#AD46E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #305FBA

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

Preview Lab → · Contrast checker → · Palette generator →