#305BBE#305BBE

#305BBE is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.8% C 0.163 H 263.8°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#305BBE
RGB	rgb(48, 91, 190)
HSL	hsl(222, 60%, 47%)
HSV	hsv(222, 75%, 75%)
CMYK	cmyk(74.7%, 52.1%, 0%, 25.5%)
CIE-LAB	lab(40.94, 20.20, -56.37)
CIE-LCH	lch(40.94, 59.88, 289.71°)
OKLab	oklab(49.79% -0.0176 -0.1622)
OKLCH	oklch(49.79% 0.163 263.8)
XYZ	xyz(14.2510, 11.8267, 50.2369)
Luminance	0.1183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305BBE #BE9330

analogous

#30A2BE #305BBE #4C30BE

triadic

#305BBE #BE305B #5BBE30

tetradic

#305BBE #BE30A2 #BE9330 #30BE4C

square

#305BBE #BE30A2 #BE9330 #30BE4C

split-complementary

#305BBE #BE4C30 #A2BE30

monochromatic

#172C5C #24448D #305BBE #577DD4 #88A3E1

Accessibility & contrast

On white

6.24

#305BBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#305BBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305BBE

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305BBE	#FFFFFF	#000000	##FFFFFF
##305BBE	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1867C2

Deuteranopia (green-blind)

#005ABC

Tritanopia (blue-blind)

#007384

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #305bbe;
/* rgb */ color: rgb(48, 91, 190);
/* oklch */ color: oklch(49.8% 0.163 263.8);

Tailwind

colors: {
  custom: {
    50: '#7c88d2',
    500: '#305bbe',
    950: '#000000',
  },
}

SCSS

$custom: #305bbe;
$custom-light: #7c88d2;
$custom-dark: #000000;

JSON

{
  "hex": "#305bbe",
  "rgb": {
    "r": 48,
    "g": 91,
    "b": 190
  },
  "hsl": {
    "h": 221.831,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.49794,
    "c": 0.16319,
    "h": 263.8
  },
  "luminance": 0.11828
}

Semantic roles & 50–950 ramp

primary

#305BBE

secondary

#CBB47F

accent

#B345E3

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #305BBE

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

Preview Lab → · Contrast checker → · Palette generator →