#304CA9#304CA9

#304CA9 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.1% C 0.153 H 267.3°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#304CA9
RGB	rgb(48, 76, 169)
HSL	hsl(226, 56%, 43%)
HSV	hsv(226, 72%, 66%)
CMYK	cmyk(71.6%, 55%, 0%, 33.7%)
CIE-LAB	lab(35.32, 22.17, -53.09)
CIE-LCH	lch(35.32, 57.53, 292.66°)
OKLab	oklab(45.06% -0.0072 -0.1528)
OKLCH	oklch(45.06% 0.153 267.3)
XYZ	xyz(10.9623, 8.6607, 38.6224)
Luminance	0.0866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304CA9 #A98D30

analogous

#3088A9 #304CA9 #5130A9

triadic

#304CA9 #A9304C #4CA930

tetradic

#304CA9 #A93088 #A98D30 #30A951

square

#304CA9 #A93088 #A98D30 #30A951

split-complementary

#304CA9 #A95130 #88A930

monochromatic

#15214A #223779 #304CA9 #4A68CC #7A90D9

Accessibility & contrast

On white

7.69

#304CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#304CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304CA9

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304CA9	#FFFFFF	#000000	##FFFFFF
##304CA9	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059AC

Deuteranopia (green-blind)

#004EA7

Tritanopia (blue-blind)

#006373

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #304ca9;
/* rgb */ color: rgb(48, 76, 169);
/* oklch */ color: oklch(45.1% 0.153 267.3);

Tailwind

colors: {
  custom: {
    50: '#787dc3',
    500: '#304ca9',
    950: '#000000',
  },
}

SCSS

$custom: #304ca9;
$custom-light: #787dc3;
$custom-dark: #000000;

JSON

{
  "hex": "#304ca9",
  "rgb": {
    "r": 48,
    "g": 76,
    "b": 169
  },
  "hsl": {
    "h": 226.116,
    "s": 55.76,
    "l": 42.549
  },
  "oklch": {
    "l": 0.45063,
    "c": 0.153,
    "h": 267.3
  },
  "luminance": 0.08662
}

Semantic roles & 50–950 ramp

primary

#304CA9

secondary

#C2AF73

accent

#BC49DF

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #304CA9

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

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