#304AAE#304AAE

#304AAE is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.1% C 0.162 H 268.1°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#304AAE
RGB	rgb(48, 74, 174)
HSL	hsl(228, 57%, 44%)
HSV	hsv(228, 72%, 68%)
CMYK	cmyk(72.4%, 57.5%, 0%, 31.8%)
CIE-LAB	lab(35.16, 25.36, -56.32)
CIE-LCH	lch(35.16, 61.77, 294.24°)
OKLab	oklab(45.06% -0.0054 -0.1624)
OKLCH	oklch(45.06% 0.162 268.1)
XYZ	xyz(11.3050, 8.5808, 41.0967)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304AAE #AE9430

analogous

#3089AE #304AAE #5530AE

triadic

#304AAE #AE304A #4AAE30

tetradic

#304AAE #AE3089 #AE9430 #30AE55

square

#304AAE #AE3089 #AE9430 #30AE55

split-complementary

#304AAE #AE5530 #89AE30

monochromatic

#16214E #23367E #304AAE #4D68CE #7D91DB

Accessibility & contrast

On white

7.73

#304AAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#304AAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304AAE

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304AAE	#FFFFFF	#000000	##FFFFFF
##304AAE	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B1

Deuteranopia (green-blind)

#004DAC

Tritanopia (blue-blind)

#006374

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #304aae;
/* rgb */ color: rgb(48, 74, 174);
/* oklch */ color: oklch(45.1% 0.162 268.1);

Tailwind

colors: {
  custom: {
    50: '#797cc7',
    500: '#304aae',
    950: '#000000',
  },
}

SCSS

$custom: #304aae;
$custom-light: #797cc7;
$custom-dark: #000000;

JSON

{
  "hex": "#304aae",
  "rgb": {
    "r": 48,
    "g": 74,
    "b": 174
  },
  "hsl": {
    "h": 227.619,
    "s": 56.757,
    "l": 43.529
  },
  "oklch": {
    "l": 0.45063,
    "c": 0.16246,
    "h": 268.1
  },
  "luminance": 0.08582
}

Semantic roles & 50–950 ramp

primary

#304AAE

secondary

#C4B476

accent

#C148E0

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #304AAE

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

Preview Lab → · Contrast checker → · Palette generator →