#304099#304099

#304099 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.3% C 0.146 H 270.9°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#304099
RGB	rgb(48, 64, 153)
HSL	hsl(231, 52%, 39%)
HSV	hsv(231, 69%, 60%)
CMYK	cmyk(68.6%, 58.2%, 0%, 40%)
CIE-LAB	lab(30.86, 24.19, -50.69)
CIE-LCH	lch(30.86, 56.16, 295.52°)
OKLab	oklab(41.33% 0.0023 -0.1459)
OKLCH	oklch(41.33% 0.146 270.9)
XYZ	xyz(8.8001, 6.5943, 30.9399)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304099 #998930

analogous

#307599 #304099 #553099

triadic

#304099 #993040 #409930

tetradic

#304099 #993075 #998930 #309955

square

#304099 #993075 #998930 #309955

split-complementary

#304099 #995530 #759930

monochromatic

#13193C #212D6A #304099 #4256C4 #7180D2

Accessibility & contrast

On white

9.06

#304099 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#304099 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304099

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304099	#FFFFFF	#000000	##FFFFFF
##304099	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9C

Deuteranopia (green-blind)

#004497

Tritanopia (blue-blind)

#005666

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #304099;
/* rgb */ color: rgb(48, 64, 153);
/* oklch */ color: oklch(41.3% 0.146 270.9);

Tailwind

colors: {
  custom: {
    50: '#7674b8',
    500: '#304099',
    950: '#000000',
  },
}

SCSS

$custom: #304099;
$custom-light: #7674b8;
$custom-dark: #000000;

JSON

{
  "hex": "#304099",
  "rgb": {
    "r": 48,
    "g": 64,
    "b": 153
  },
  "hsl": {
    "h": 230.857,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41334,
    "c": 0.14595,
    "h": 270.9
  },
  "luminance": 0.06595
}

Semantic roles & 50–950 ramp

primary

#304099

secondary

#BAAE6B

accent

#C64CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #304099

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

Preview Lab → · Contrast checker → · Palette generator →