#304BA2#304BA2

#304BA2 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.3% C 0.144 H 267.3°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#304BA2
RGB	rgb(48, 75, 162)
HSL	hsl(226, 54%, 41%)
HSV	hsv(226, 70%, 64%)
CMYK	cmyk(70.4%, 53.7%, 0%, 36.5%)
CIE-LAB	lab(34.54, 20.20, -50.17)
CIE-LCH	lch(34.54, 54.09, 291.93°)
OKLab	oklab(44.31% -0.0069 -0.1443)
OKLCH	oklch(44.31% 0.144 267.3)
XYZ	xyz(10.2543, 8.2681, 35.2309)
Luminance	0.0827 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304BA2 #A28730

analogous

#3084A2 #304BA2 #4E30A2

triadic

#304BA2 #A2304B #4BA230

tetradic

#304BA2 #A23084 #A28730 #30A24E

square

#304BA2 #A23084 #A28730 #30A24E

split-complementary

#304BA2 #A24E30 #84A230

monochromatic

#141F44 #223573 #304BA2 #4765C8 #768DD6

Accessibility & contrast

On white

7.91

#304BA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#304BA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304BA2

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304BA2	#FFFFFF	#000000	##FFFFFF
##304BA2	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E57A5

Deuteranopia (green-blind)

#004CA0

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #304ba2;
/* rgb */ color: rgb(48, 75, 162);
/* oklch */ color: oklch(44.3% 0.144 267.3);

Tailwind

colors: {
  custom: {
    50: '#777cbe',
    500: '#304ba2',
    950: '#000000',
  },
}

SCSS

$custom: #304ba2;
$custom-light: #777cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#304ba2",
  "rgb": {
    "r": 48,
    "g": 75,
    "b": 162
  },
  "hsl": {
    "h": 225.789,
    "s": 54.286,
    "l": 41.176
  },
  "oklch": {
    "l": 0.44306,
    "c": 0.14444,
    "h": 267.3
  },
  "luminance": 0.08269
}

Semantic roles & 50–950 ramp

primary

#304BA2

secondary

#BEAC6F

accent

#BB4ADE

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #304BA2

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

Preview Lab → · Contrast checker → · Palette generator →