#304ABD#304ABD

#304ABD is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.3% C 0.183 H 268.4°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#304ABD
RGB	rgb(48, 74, 189)
HSL	hsl(229, 59%, 46%)
HSV	hsv(229, 75%, 74%)
CMYK	cmyk(74.6%, 60.8%, 0%, 25.9%)
CIE-LAB	lab(36.36, 30.91, -63.22)
CIE-LCH	lch(36.36, 70.38, 296.06°)
OKLab	oklab(46.33% -0.0051 -0.1826)
OKLCH	oklch(46.33% 0.183 268.4)
XYZ	xyz(12.8498, 9.1987, 49.2326)
Luminance	0.0920 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304ABD #BDA330

analogous

#3091BD #304ABD #5D30BD

triadic

#304ABD #BD304A #4ABD30

tetradic

#304ABD #BD3091 #BDA330 #30BD5D

square

#304ABD #BD3091 #BDA330 #30BD5D

split-complementary

#304ABD #BD5D30 #91BD30

monochromatic

#17245B #24378C #304ABD #566DD4 #8797E0

Accessibility & contrast

On white

7.39

#304ABD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#304ABD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304ABD

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304ABD	#FFFFFF	#000000	##FFFFFF
##304ABD	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC1

Deuteranopia (green-blind)

#004FBB

Tritanopia (blue-blind)

#00677C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #304abd;
/* rgb */ color: rgb(48, 74, 189);
/* oklch */ color: oklch(46.3% 0.183 268.4);

Tailwind

colors: {
  custom: {
    50: '#7d7cd2',
    500: '#304abd',
    950: '#000000',
  },
}

SCSS

$custom: #304abd;
$custom-light: #7d7cd2;
$custom-dark: #000000;

JSON

{
  "hex": "#304abd",
  "rgb": {
    "r": 48,
    "g": 74,
    "b": 189
  },
  "hsl": {
    "h": 228.936,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.46333,
    "c": 0.1827,
    "h": 268.4
  },
  "luminance": 0.092
}

Semantic roles & 50–950 ramp

primary

#304ABD

secondary

#CABC7F

accent

#C645E3

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #304ABD

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

Preview Lab → · Contrast checker → · Palette generator →