#304299#304299

#304299 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.7% C 0.143 H 270.2°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#304299
RGB	rgb(48, 66, 153)
HSL	hsl(230, 52%, 39%)
HSV	hsv(230, 69%, 60%)
CMYK	cmyk(68.6%, 56.9%, 0%, 40%)
CIE-LAB	lab(31.40, 22.86, -49.81)
CIE-LCH	lch(31.40, 54.81, 294.65°)
OKLab	oklab(41.74% 0.0005 -0.1433)
OKLCH	oklch(41.74% 0.143 270.2)
XYZ	xyz(8.9150, 6.8239, 30.9781)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304299 #998730

analogous

#307799 #304299 #523099

triadic

#304299 #993042 #429930

tetradic

#304299 #993077 #998730 #309952

square

#304299 #993077 #998730 #309952

split-complementary

#304299 #995230 #779930

monochromatic

#131A3C #212E6A #304299 #4259C4 #7182D2

Accessibility & contrast

On white

8.88

#304299 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#304299 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304299

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304299	#FFFFFF	#000000	##FFFFFF
##304299	1.00	8.88	2.37	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9C

Deuteranopia (green-blind)

#004597

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #304299;
/* rgb */ color: rgb(48, 66, 153);
/* oklch */ color: oklch(41.7% 0.143 270.2);

Tailwind

colors: {
  custom: {
    50: '#7576b8',
    500: '#304299',
    950: '#000000',
  },
}

SCSS

$custom: #304299;
$custom-light: #7576b8;
$custom-dark: #000000;

JSON

{
  "hex": "#304299",
  "rgb": {
    "r": 48,
    "g": 66,
    "b": 153
  },
  "hsl": {
    "h": 229.714,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41736,
    "c": 0.14334,
    "h": 270.2
  },
  "luminance": 0.06825
}

Semantic roles & 50–950 ramp

primary

#304299

secondary

#BAAC6B

accent

#C34CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #304299

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

Preview Lab → · Contrast checker → · Palette generator →