#304584#304584

#304584 is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.8% C 0.109 H 267.6°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#304584
RGB	rgb(48, 69, 132)
HSL	hsl(225, 47%, 35%)
HSV	hsv(225, 64%, 52%)
CMYK	cmyk(63.6%, 47.7%, 0%, 48.2%)
CIE-LAB	lab(30.76, 13.01, -37.96)
CIE-LCH	lch(30.76, 40.13, 288.92°)
OKLab	oklab(40.78% -0.0046 -0.1084)
OKLCH	oklch(40.78% 0.109 267.6)
XYZ	xyz(7.5105, 6.5499, 22.6938)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304584 #846F30

analogous

#306F84 #304584 #453084

triadic

#304584 #843045 #458430

tetradic

#304584 #84306F #846F30 #308445

square

#304584 #84306F #846F30 #308445

split-complementary

#304584 #844530 #6F8430

monochromatic

#0F162A #202E57 #304584 #405CB1 #677FC8

Accessibility & contrast

On white

9.09

#304584 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#304584 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304584

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304584	#FFFFFF	#000000	##FFFFFF
##304584	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274C86

Deuteranopia (green-blind)

#194583

Tritanopia (blue-blind)

#00535E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #304584;
/* rgb */ color: rgb(48, 69, 132);
/* oklch */ color: oklch(40.8% 0.109 267.6);

Tailwind

colors: {
  custom: {
    50: '#7178a8',
    500: '#304584',
    950: '#000000',
  },
}

SCSS

$custom: #304584;
$custom-light: #7178a8;
$custom-dark: #000000;

JSON

{
  "hex": "#304584",
  "rgb": {
    "r": 48,
    "g": 69,
    "b": 132
  },
  "hsl": {
    "h": 225,
    "s": 46.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40775,
    "c": 0.10853,
    "h": 267.6
  },
  "luminance": 0.06551
}

Semantic roles & 50–950 ramp

primary

#304584

secondary

#AF9B61

accent

#B551D6

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #304584

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

Preview Lab → · Contrast checker → · Palette generator →