#304AAF#304AAF

#304AAF is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.1% C 0.164 H 268.1°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#304AAF
RGB	rgb(48, 74, 175)
HSL	hsl(228, 57%, 44%)
HSV	hsv(228, 73%, 69%)
CMYK	cmyk(72.6%, 57.7%, 0%, 31.4%)
CIE-LAB	lab(35.24, 25.73, -56.79)
CIE-LCH	lch(35.24, 62.35, 294.37°)
OKLab	oklab(45.15% -0.0053 -0.1637)
OKLCH	oklch(45.15% 0.164 268.1)
XYZ	xyz(11.4029, 8.6199, 41.6120)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304AAF #AF9530

analogous

#3089AF #304AAF #5530AF

triadic

#304AAF #AF304A #4AAF30

tetradic

#304AAF #AF3089 #AF9530 #30AF55

square

#304AAF #AF3089 #AF9530 #30AF55

split-complementary

#304AAF #AF5530 #89AF30

monochromatic

#16214F #23367F #304AAF #4E68CE #7E91DC

Accessibility & contrast

On white

7.71

#304AAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#304AAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304AAF

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304AAF	#FFFFFF	#000000	##FFFFFF
##304AAF	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B2

Deuteranopia (green-blind)

#004DAD

Tritanopia (blue-blind)

#006375

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #304aaf;
/* rgb */ color: rgb(48, 74, 175);
/* oklch */ color: oklch(45.1% 0.164 268.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#304aaf",
  "rgb": {
    "r": 48,
    "g": 74,
    "b": 175
  },
  "hsl": {
    "h": 227.717,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45146,
    "c": 0.16383,
    "h": 268.1
  },
  "luminance": 0.08621
}

Semantic roles & 50–950 ramp

primary

#304AAF

secondary

#C4B476

accent

#C148E0

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #304AAF

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

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