#304497#304497

#304497 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.0% C 0.138 H 269.4°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#304497
RGB	rgb(48, 68, 151)
HSL	hsl(228, 52%, 39%)
HSV	hsv(228, 68%, 59%)
CMYK	cmyk(68.2%, 55%, 0%, 40.8%)
CIE-LAB	lab(31.80, 20.77, -47.95)
CIE-LCH	lch(31.80, 52.26, 293.42°)
OKLab	oklab(41.99% -0.0014 -0.1378)
OKLCH	oklch(41.99% 0.138 269.4)
XYZ	xyz(8.8701, 6.9962, 30.1551)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304497 #978330

analogous

#307897 #304497 #503097

triadic

#304497 #973044 #449730

tetradic

#304497 #973078 #978330 #309750

square

#304497 #973078 #978330 #309750

split-complementary

#304497 #975030 #789730

monochromatic

#121A3A #212F69 #304497 #415BC3 #7083D2

Accessibility & contrast

On white

8.75

#304497 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#304497 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304497

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304497	#FFFFFF	#000000	##FFFFFF
##304497	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06509A

Deuteranopia (green-blind)

#004695

Tritanopia (blue-blind)

#005866

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #304497;
/* rgb */ color: rgb(48, 68, 151);
/* oklch */ color: oklch(42.0% 0.138 269.4);

Tailwind

colors: {
  custom: {
    50: '#7577b6',
    500: '#304497',
    950: '#000000',
  },
}

SCSS

$custom: #304497;
$custom-light: #7577b6;
$custom-dark: #000000;

JSON

{
  "hex": "#304497",
  "rgb": {
    "r": 48,
    "g": 68,
    "b": 151
  },
  "hsl": {
    "h": 228.35,
    "s": 51.759,
    "l": 39.02
  },
  "oklch": {
    "l": 0.41985,
    "c": 0.13785,
    "h": 269.4
  },
  "luminance": 0.06997
}

Semantic roles & 50–950 ramp

primary

#304497

secondary

#B9AA6A

accent

#C04DDB

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #304497

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

Preview Lab → · Contrast checker → · Palette generator →