#304ABA#304ABA

#304ABA is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.1% C 0.179 H 268.4°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#304ABA
RGB	rgb(48, 74, 186)
HSL	hsl(229, 59%, 46%)
HSV	hsv(229, 74%, 73%)
CMYK	cmyk(74.2%, 60.2%, 0%, 27.1%)
CIE-LAB	lab(36.12, 29.81, -61.86)
CIE-LCH	lch(36.12, 68.67, 295.73°)
OKLab	oklab(46.07% -0.0051 -0.1786)
OKLCH	oklch(46.07% 0.179 268.4)
XYZ	xyz(12.5276, 9.0698, 47.5353)
Luminance	0.0907 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304ABA #BAA030

analogous

#308FBA #304ABA #5B30BA

triadic

#304ABA #BA304A #4ABA30

tetradic

#304ABA #BA308F #BAA030 #30BA5B

square

#304ABA #BA308F #BAA030 #30BA5B

split-complementary

#304ABA #BA5B30 #8FBA30

monochromatic

#172359 #233789 #304ABA #546CD3 #8596DF

Accessibility & contrast

On white

7.46

#304ABA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#304ABA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304ABA

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304ABA	#FFFFFF	#000000	##FFFFFF
##304ABA	1.00	7.46	2.81	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBE

Deuteranopia (green-blind)

#004FB8

Tritanopia (blue-blind)

#00667B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #304aba;
/* rgb */ color: rgb(48, 74, 186);
/* oklch */ color: oklch(46.1% 0.179 268.4);

Tailwind

colors: {
  custom: {
    50: '#7c7cd0',
    500: '#304aba',
    950: '#000000',
  },
}

SCSS

$custom: #304aba;
$custom-light: #7c7cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#304aba",
  "rgb": {
    "r": 48,
    "g": 74,
    "b": 186
  },
  "hsl": {
    "h": 228.696,
    "s": 58.974,
    "l": 45.882
  },
  "oklch": {
    "l": 0.46074,
    "c": 0.17871,
    "h": 268.4
  },
  "luminance": 0.09071
}

Semantic roles & 50–950 ramp

primary

#304ABA

secondary

#C9BB7D

accent

#C546E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #304ABA

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

Preview Lab → · Contrast checker → · Palette generator →