#304DBD#304DBD

#304DBD is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.9% C 0.179 H 267.7°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#304DBD
RGB	rgb(48, 77, 189)
HSL	hsl(228, 59%, 46%)
HSV	hsv(228, 75%, 74%)
CMYK	cmyk(74.6%, 59.3%, 0%, 25.9%)
CIE-LAB	lab(37.13, 28.96, -61.97)
CIE-LCH	lch(37.13, 68.41, 295.05°)
OKLab	oklab(46.9% -0.0072 -0.1789)
OKLCH	oklch(46.9% 0.179 267.7)
XYZ	xyz(13.0549, 9.6088, 49.3009)
Luminance	0.0961 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304DBD #BDA030

analogous

#3094BD #304DBD #5A30BD

triadic

#304DBD #BD304D #4DBD30

tetradic

#304DBD #BD3094 #BDA030 #30BD5A

square

#304DBD #BD3094 #BDA030 #30BD5A

split-complementary

#304DBD #BD5A30 #94BD30

monochromatic

#17255B #24398C #304DBD #5670D4 #8799E0

Accessibility & contrast

On white

7.19

#304DBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#304DBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304DBD

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304DBD	#FFFFFF	#000000	##FFFFFF
##304DBD	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC1

Deuteranopia (green-blind)

#0051BB

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #304dbd;
/* rgb */ color: rgb(48, 77, 189);
/* oklch */ color: oklch(46.9% 0.179 267.7);

Tailwind

colors: {
  custom: {
    50: '#7d7ed2',
    500: '#304dbd',
    950: '#000000',
  },
}

SCSS

$custom: #304dbd;
$custom-light: #7d7ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#304dbd",
  "rgb": {
    "r": 48,
    "g": 77,
    "b": 189
  },
  "hsl": {
    "h": 227.66,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.46903,
    "c": 0.17906,
    "h": 267.7
  },
  "luminance": 0.0961
}

Semantic roles & 50–950 ramp

primary

#304DBD

secondary

#CABB7F

accent

#C245E3

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #304DBD

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

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