#304EA2#304EA2

#304EA2 is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.9% C 0.141 H 266.1°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#304EA2
RGB	rgb(48, 78, 162)
HSL	hsl(224, 54%, 41%)
HSV	hsv(224, 70%, 64%)
CMYK	cmyk(70.4%, 51.9%, 0%, 36.5%)
CIE-LAB	lab(35.37, 18.21, -48.83)
CIE-LCH	lch(35.37, 52.11, 290.45°)
OKLab	oklab(44.94% -0.0096 -0.1403)
OKLCH	oklch(44.94% 0.141 266.1)
XYZ	xyz(10.4626, 8.6847, 35.3003)
Luminance	0.0869 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304EA2 #A28430

analogous

#3087A2 #304EA2 #4B30A2

triadic

#304EA2 #A2304E #4EA230

tetradic

#304EA2 #A23087 #A28430 #30A24B

square

#304EA2 #A23087 #A28430 #30A24B

split-complementary

#304EA2 #A24B30 #87A230

monochromatic

#142144 #223773 #304EA2 #4769C8 #768FD6

Accessibility & contrast

On white

7.67

#304EA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#304EA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304EA2

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304EA2	#FFFFFF	#000000	##FFFFFF
##304EA2	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B59A5

Deuteranopia (green-blind)

#004EA0

Tritanopia (blue-blind)

#006270

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #304ea2;
/* rgb */ color: rgb(48, 78, 162);
/* oklch */ color: oklch(44.9% 0.141 266.1);

Tailwind

colors: {
  custom: {
    50: '#777fbe',
    500: '#304ea2',
    950: '#000000',
  },
}

SCSS

$custom: #304ea2;
$custom-light: #777fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#304ea2",
  "rgb": {
    "r": 48,
    "g": 78,
    "b": 162
  },
  "hsl": {
    "h": 224.211,
    "s": 54.286,
    "l": 41.176
  },
  "oklch": {
    "l": 0.44938,
    "c": 0.14058,
    "h": 266.1
  },
  "luminance": 0.08686
}

Semantic roles & 50–950 ramp

primary

#304EA2

secondary

#BEAA6F

accent

#B74ADE

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #304EA2

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

Preview Lab → · Contrast checker → · Palette generator →