#305FBE#305FBE

#305FBE is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.6% C 0.158 H 262.4°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#305FBE
RGB	rgb(48, 95, 190)
HSL	hsl(220, 60%, 47%)
HSV	hsv(220, 75%, 75%)
CMYK	cmyk(74.7%, 50%, 0%, 25.5%)
CIE-LAB	lab(42.04, 17.60, -54.59)
CIE-LCH	lch(42.04, 57.35, 287.87°)
OKLab	oklab(50.64% -0.0208 -0.1569)
OKLCH	oklch(50.64% 0.158 262.4)
XYZ	xyz(14.6021, 12.5289, 50.3540)
Luminance	0.1253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305FBE #BE8F30

analogous

#30A6BE #305FBE #4830BE

triadic

#305FBE #BE305F #5FBE30

tetradic

#305FBE #BE30A6 #BE8F30 #30BE48

square

#305FBE #BE30A6 #BE8F30 #30BE48

split-complementary

#305FBE #BE4830 #A6BE30

monochromatic

#172E5C #24478D #305FBE #5780D4 #88A5E1

Accessibility & contrast

On white

5.99

#305FBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#305FBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305FBE

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305FBE	#FFFFFF	#000000	##FFFFFF
##305FBE	1.00	5.99	3.51	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#266AC1

Deuteranopia (green-blind)

#005DBC

Tritanopia (blue-blind)

#007685

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #305fbe;
/* rgb */ color: rgb(48, 95, 190);
/* oklch */ color: oklch(50.6% 0.158 262.4);

Tailwind

colors: {
  custom: {
    50: '#7c8bd2',
    500: '#305fbe',
    950: '#000000',
  },
}

SCSS

$custom: #305fbe;
$custom-light: #7c8bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#305fbe",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 190
  },
  "hsl": {
    "h": 220.141,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.50636,
    "c": 0.15829,
    "h": 262.4
  },
  "luminance": 0.12531
}

Semantic roles & 50–950 ramp

primary

#305FBE

secondary

#CBB27F

accent

#AF45E3

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #305FBE

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

Preview Lab → · Contrast checker → · Palette generator →