#304098#304098

#304098 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.3% C 0.145 H 270.9°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#304098
RGB	rgb(48, 64, 152)
HSL	hsl(231, 52%, 39%)
HSV	hsv(231, 68%, 60%)
CMYK	cmyk(68.4%, 57.9%, 0%, 40.4%)
CIE-LAB	lab(30.79, 23.82, -50.20)
CIE-LCH	lch(30.79, 55.57, 295.39°)
OKLab	oklab(41.25% 0.0022 -0.1445)
OKLCH	oklch(41.25% 0.145 270.9)
XYZ	xyz(8.7179, 6.5614, 30.5067)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304098 #988830

analogous

#307498 #304098 #543098

triadic

#304098 #983040 #409830

tetradic

#304098 #983074 #988830 #309854

square

#304098 #983074 #988830 #309854

split-complementary

#304098 #985430 #749830

monochromatic

#13193B #212C69 #304098 #4256C3 #707FD2

Accessibility & contrast

On white

9.08

#304098 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#304098 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304098

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304098	#FFFFFF	#000000	##FFFFFF
##304098	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9B

Deuteranopia (green-blind)

#004496

Tritanopia (blue-blind)

#005565

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #304098;
/* rgb */ color: rgb(48, 64, 152);
/* oklch */ color: oklch(41.3% 0.145 270.9);

Tailwind

colors: {
  custom: {
    50: '#7574b7',
    500: '#304098',
    950: '#000000',
  },
}

SCSS

$custom: #304098;
$custom-light: #7574b7;
$custom-dark: #000000;

JSON

{
  "hex": "#304098",
  "rgb": {
    "r": 48,
    "g": 64,
    "b": 152
  },
  "hsl": {
    "h": 230.769,
    "s": 52,
    "l": 39.216
  },
  "oklch": {
    "l": 0.41251,
    "c": 0.14453,
    "h": 270.9
  },
  "luminance": 0.06562
}

Semantic roles & 50–950 ramp

primary

#304098

secondary

#BAAD6A

accent

#C54CDB

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #304098

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

Preview Lab → · Contrast checker → · Palette generator →