#303BA2#303BA2

#303BA2 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.165 H 272.2°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#303BA2
RGB	rgb(48, 59, 162)
HSL	hsl(234, 54%, 41%)
HSV	hsv(234, 70%, 64%)
CMYK	cmyk(70.4%, 63.6%, 0%, 36.5%)
CIE-LAB	lab(30.31, 30.80, -57.04)
CIE-LCH	lch(30.31, 64.82, 298.36°)
OKLab	oklab(41.16% 0.0063 -0.1646)
OKLCH	oklch(41.16% 0.165 272.2)
XYZ	xyz(9.3023, 6.3640, 34.9136)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303BA2 #A29730

analogous

#3074A2 #303BA2 #5E30A2

triadic

#303BA2 #A2303B #3BA230

tetradic

#303BA2 #A23074 #A29730 #30A25E

square

#303BA2 #A23074 #A29730 #30A25E

split-complementary

#303BA2 #A25E30 #74A230

monochromatic

#141944 #222A73 #303BA2 #4753C8 #767FD6

Accessibility & contrast

On white

9.24

#303BA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#303BA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303BA2

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303BA2	#FFFFFF	#000000	##FFFFFF
##303BA2	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA5

Deuteranopia (green-blind)

#0042A0

Tritanopia (blue-blind)

#005569

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #303ba2;
/* rgb */ color: rgb(48, 59, 162);
/* oklch */ color: oklch(41.2% 0.165 272.2);

Tailwind

colors: {
  custom: {
    50: '#7871be',
    500: '#303ba2',
    950: '#000000',
  },
}

SCSS

$custom: #303ba2;
$custom-light: #7871be;
$custom-dark: #000000;

JSON

{
  "hex": "#303ba2",
  "rgb": {
    "r": 48,
    "g": 59,
    "b": 162
  },
  "hsl": {
    "h": 234.211,
    "s": 54.286,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41156,
    "c": 0.16477,
    "h": 272.2
  },
  "luminance": 0.06365
}

Semantic roles & 50–950 ramp

primary

#303BA2

secondary

#BEB76F

accent

#CF4ADE

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #303BA2

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

Preview Lab → · Contrast checker → · Palette generator →