#304ABF#304ABF

#304ABF is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.5% C 0.185 H 268.4°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#304ABF
RGB	rgb(48, 74, 191)
HSL	hsl(229, 60%, 47%)
HSV	hsv(229, 75%, 75%)
CMYK	cmyk(74.9%, 61.3%, 0%, 25.1%)
CIE-LAB	lab(36.53, 31.65, -64.13)
CIE-LCH	lch(36.53, 71.51, 296.27°)
OKLab	oklab(46.51% -0.0051 -0.1853)
OKLCH	oklch(46.51% 0.185 268.4)
XYZ	xyz(13.0684, 9.2861, 50.3838)
Luminance	0.0929 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304ABF #BFA530

analogous

#3092BF #304ABF #5E30BF

triadic

#304ABF #BF304A #4ABF30

tetradic

#304ABF #BF3092 #BFA530 #30BF5E

square

#304ABF #BF3092 #BFA530 #30BF5E

split-complementary

#304ABF #BF5E30 #92BF30

monochromatic

#17245D #24378E #304ABF #576ED5 #8898E1

Accessibility & contrast

On white

7.35

#304ABF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#304ABF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304ABF

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304ABF	#FFFFFF	#000000	##FFFFFF
##304ABF	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC3

Deuteranopia (green-blind)

#004FBD

Tritanopia (blue-blind)

#00687D

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #304abf;
/* rgb */ color: rgb(48, 74, 191);
/* oklch */ color: oklch(46.5% 0.185 268.4);

Tailwind

colors: {
  custom: {
    50: '#7d7cd3',
    500: '#304abf',
    950: '#000000',
  },
}

SCSS

$custom: #304abf;
$custom-light: #7d7cd3;
$custom-dark: #000000;

JSON

{
  "hex": "#304abf",
  "rgb": {
    "r": 48,
    "g": 74,
    "b": 191
  },
  "hsl": {
    "h": 229.091,
    "s": 59.833,
    "l": 46.863
  },
  "oklch": {
    "l": 0.46506,
    "c": 0.18535,
    "h": 268.4
  },
  "luminance": 0.09288
}

Semantic roles & 50–950 ramp

primary

#304ABF

secondary

#CBBD80

accent

#C645E3

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #304ABF

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

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