#304BAF#304BAF

#304BAF is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.3% C 0.163 H 267.8°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#304BAF
RGB	rgb(48, 75, 175)
HSL	hsl(227, 57%, 44%)
HSV	hsv(227, 73%, 69%)
CMYK	cmyk(72.6%, 57.1%, 0%, 31.4%)
CIE-LAB	lab(35.51, 25.07, -56.36)
CIE-LCH	lch(35.51, 61.68, 293.98°)
OKLab	oklab(45.35% -0.0061 -0.1625)
OKLCH	oklch(45.35% 0.163 267.8)
XYZ	xyz(11.4702, 8.7545, 41.6344)
Luminance	0.0876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304BAF #AF9430

analogous

#308AAF #304BAF #5430AF

triadic

#304BAF #AF304B #4BAF30

tetradic

#304BAF #AF308A #AF9430 #30AF54

square

#304BAF #AF308A #AF9430 #30AF54

split-complementary

#304BAF #AF5430 #8AAF30

monochromatic

#16224F #23367F #304BAF #4E69CE #7E92DC

Accessibility & contrast

On white

7.63

#304BAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#304BAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304BAF

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304BAF	#FFFFFF	#000000	##FFFFFF
##304BAF	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB2

Deuteranopia (green-blind)

#004EAD

Tritanopia (blue-blind)

#006475

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #304baf;
/* rgb */ color: rgb(48, 75, 175);
/* oklch */ color: oklch(45.3% 0.163 267.8);

Tailwind

colors: {
  custom: {
    50: '#7a7cc8',
    500: '#304baf',
    950: '#000000',
  },
}

SCSS

$custom: #304baf;
$custom-light: #7a7cc8;
$custom-dark: #000000;

JSON

{
  "hex": "#304baf",
  "rgb": {
    "r": 48,
    "g": 75,
    "b": 175
  },
  "hsl": {
    "h": 227.244,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45345,
    "c": 0.16257,
    "h": 267.8
  },
  "luminance": 0.08756
}

Semantic roles & 50–950 ramp

primary

#304BAF

secondary

#C4B476

accent

#C048E0

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #304BAF

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

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