#304499#304499

#304499 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.1% C 0.141 H 269.5°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#304499
RGB	rgb(48, 68, 153)
HSL	hsl(229, 52%, 39%)
HSV	hsv(229, 69%, 60%)
CMYK	cmyk(68.6%, 55.6%, 0%, 40%)
CIE-LAB	lab(31.95, 21.51, -48.93)
CIE-LCH	lch(31.95, 53.45, 293.74°)
OKLab	oklab(42.14% -0.0013 -0.1407)
OKLCH	oklch(42.14% 0.141 269.5)
XYZ	xyz(9.0339, 7.0617, 31.0178)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304499 #998530

analogous

#307999 #304499 #503099

triadic

#304499 #993044 #449930

tetradic

#304499 #993079 #998530 #309950

square

#304499 #993079 #998530 #309950

split-complementary

#304499 #995030 #799930

monochromatic

#131B3C #212F6A #304499 #425BC4 #7184D2

Accessibility & contrast

On white

8.70

#304499 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#304499 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304499

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304499	#FFFFFF	#000000	##FFFFFF
##304499	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509C

Deuteranopia (green-blind)

#004797

Tritanopia (blue-blind)

#005867

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #304499;
/* rgb */ color: rgb(48, 68, 153);
/* oklch */ color: oklch(42.1% 0.141 269.5);

Tailwind

colors: {
  custom: {
    50: '#7577b8',
    500: '#304499',
    950: '#000000',
  },
}

SCSS

$custom: #304499;
$custom-light: #7577b8;
$custom-dark: #000000;

JSON

{
  "hex": "#304499",
  "rgb": {
    "r": 48,
    "g": 68,
    "b": 153
  },
  "hsl": {
    "h": 228.571,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.42144,
    "c": 0.14072,
    "h": 269.5
  },
  "luminance": 0.07063
}

Semantic roles & 50–950 ramp

primary

#304499

secondary

#BAAB6B

accent

#C04CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #304499

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

Preview Lab → · Contrast checker → · Palette generator →