#304397#304397

#304397 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.8% C 0.139 H 269.8°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#304397
RGB	rgb(48, 67, 151)
HSL	hsl(229, 52%, 39%)
HSV	hsv(229, 68%, 59%)
CMYK	cmyk(68.2%, 55.6%, 0%, 40.8%)
CIE-LAB	lab(31.52, 21.44, -48.40)
CIE-LCH	lch(31.52, 52.94, 293.89°)
OKLab	oklab(41.78% -0.0005 -0.1392)
OKLCH	oklch(41.78% 0.139 269.8)
XYZ	xyz(8.8101, 6.8762, 30.1351)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304397 #978430

analogous

#307797 #304397 #513097

triadic

#304397 #973043 #439730

tetradic

#304397 #973077 #978430 #309751

square

#304397 #973077 #978430 #309751

split-complementary

#304397 #975130 #779730

monochromatic

#121A3A #212E69 #304397 #4159C3 #7082D2

Accessibility & contrast

On white

8.84

#304397 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#304397 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304397

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304397	#FFFFFF	#000000	##FFFFFF
##304397	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014F9A

Deuteranopia (green-blind)

#004695

Tritanopia (blue-blind)

#005766

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #304397;
/* rgb */ color: rgb(48, 67, 151);
/* oklch */ color: oklch(41.8% 0.139 269.8);

Tailwind

colors: {
  custom: {
    50: '#7576b6',
    500: '#304397',
    950: '#000000',
  },
}

SCSS

$custom: #304397;
$custom-light: #7576b6;
$custom-dark: #000000;

JSON

{
  "hex": "#304397",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 151
  },
  "hsl": {
    "h": 228.932,
    "s": 51.759,
    "l": 39.02
  },
  "oklch": {
    "l": 0.41779,
    "c": 0.13917,
    "h": 269.8
  },
  "luminance": 0.06877
}

Semantic roles & 50–950 ramp

primary

#304397

secondary

#B9AA6A

accent

#C14DDB

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #304397

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

Preview Lab → · Contrast checker → · Palette generator →