#305DBE#305DBE

#305DBE is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.2% C 0.161 H 263.1°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#305DBE
RGB	rgb(48, 93, 190)
HSL	hsl(221, 60%, 47%)
HSV	hsv(221, 75%, 75%)
CMYK	cmyk(74.7%, 51.1%, 0%, 25.5%)
CIE-LAB	lab(41.49, 18.90, -55.48)
CIE-LCH	lch(41.49, 58.61, 288.81°)
OKLab	oklab(50.21% -0.0192 -0.1596)
OKLCH	oklch(50.21% 0.161 263.1)
XYZ	xyz(14.4242, 12.1732, 50.2947)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DBE #BE9130

analogous

#30A4BE #305DBE #4A30BE

triadic

#305DBE #BE305D #5DBE30

tetradic

#305DBE #BE30A4 #BE9130 #30BE4A

square

#305DBE #BE30A4 #BE9130 #30BE4A

split-complementary

#305DBE #BE4A30 #A4BE30

monochromatic

#172D5C #24458D #305DBE #577FD4 #88A4E1

Accessibility & contrast

On white

6.11

#305DBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#305DBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DBE

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DBE	#FFFFFF	#000000	##FFFFFF
##305DBE	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2069C1

Deuteranopia (green-blind)

#005CBC

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #305dbe;
/* rgb */ color: rgb(48, 93, 190);
/* oklch */ color: oklch(50.2% 0.161 263.1);

Tailwind

colors: {
  custom: {
    50: '#7c8ad2',
    500: '#305dbe',
    950: '#000000',
  },
}

SCSS

$custom: #305dbe;
$custom-light: #7c8ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#305dbe",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 190
  },
  "hsl": {
    "h": 220.986,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.50213,
    "c": 0.16073,
    "h": 263.1
  },
  "luminance": 0.12175
}

Semantic roles & 50–950 ramp

primary

#305DBE

secondary

#CBB37F

accent

#B145E3

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #305DBE

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

Preview Lab → · Contrast checker → · Palette generator →