#304593#304593

#304593 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.9% C 0.131 H 268.8°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#304593
RGB	rgb(48, 69, 147)
HSL	hsl(227, 51%, 38%)
HSV	hsv(227, 67%, 58%)
CMYK	cmyk(67.3%, 53.1%, 0%, 42.4%)
CIE-LAB	lab(31.79, 18.60, -45.54)
CIE-LCH	lch(31.79, 49.19, 292.22°)
OKLab	oklab(41.88% -0.0027 -0.1307)
OKLCH	oklch(41.88% 0.131 268.8)
XYZ	xyz(8.6117, 6.9904, 28.4936)
Luminance	0.0699 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304593 #937E30

analogous

#307693 #304593 #4C3093

triadic

#304593 #933045 #459330

tetradic

#304593 #933076 #937E30 #30934C

square

#304593 #933076 #937E30 #30934C

split-complementary

#304593 #934C30 #769330

monochromatic

#121A37 #212F65 #304593 #405BC1 #6E83D0

Accessibility & contrast

On white

8.76

#304593 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#304593 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304593

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304593	#FFFFFF	#000000	##FFFFFF
##304593	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154F96

Deuteranopia (green-blind)

#004791

Tritanopia (blue-blind)

#005765

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #304593;
/* rgb */ color: rgb(48, 69, 147);
/* oklch */ color: oklch(41.9% 0.131 268.8);

Tailwind

colors: {
  custom: {
    50: '#7478b3',
    500: '#304593',
    950: '#000000',
  },
}

SCSS

$custom: #304593;
$custom-light: #7478b3;
$custom-dark: #000000;

JSON

{
  "hex": "#304593",
  "rgb": {
    "r": 48,
    "g": 69,
    "b": 147
  },
  "hsl": {
    "h": 227.273,
    "s": 50.769,
    "l": 38.235
  },
  "oklch": {
    "l": 0.41883,
    "c": 0.13075,
    "h": 268.8
  },
  "luminance": 0.06991
}

Semantic roles & 50–950 ramp

primary

#304593

secondary

#B7A668

accent

#BC4EDA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #304593

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

Preview Lab → · Contrast checker → · Palette generator →