#303A86#303A86

#303A86 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.6% C 0.127 H 273.3°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#303A86
RGB	rgb(48, 58, 134)
HSL	hsl(233, 47%, 36%)
HSV	hsv(233, 64%, 53%)
CMYK	cmyk(64.2%, 56.7%, 0%, 47.5%)
CIE-LAB	lab(27.78, 21.22, -44.00)
CIE-LCH	lch(27.78, 48.85, 295.75°)
OKLab	oklab(38.56% 0.0073 -0.1263)
OKLCH	oklch(38.56% 0.127 273.3)
XYZ	xyz(7.0336, 5.3751, 23.2165)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303A86 #867C30

analogous

#306586 #303A86 #513086

triadic

#303A86 #86303A #3A8630

tetradic

#303A86 #863065 #867C30 #308651

square

#303A86 #863065 #867C30 #308651

split-complementary

#303A86 #865130 #658630

monochromatic

#10132C #202659 #303A86 #404EB3 #6873C9

Accessibility & contrast

On white

10.12

#303A86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#303A86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303A86

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303A86	#FFFFFF	#000000	##FFFFFF
##303A86	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014589

Deuteranopia (green-blind)

#003E84

Tritanopia (blue-blind)

#004C5A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #303a86;
/* rgb */ color: rgb(48, 58, 134);
/* oklch */ color: oklch(38.6% 0.127 273.3);

Tailwind

colors: {
  custom: {
    50: '#7270aa',
    500: '#303a86',
    950: '#000000',
  },
}

SCSS

$custom: #303a86;
$custom-light: #7270aa;
$custom-dark: #000000;

JSON

{
  "hex": "#303a86",
  "rgb": {
    "r": 48,
    "g": 58,
    "b": 134
  },
  "hsl": {
    "h": 233.023,
    "s": 47.253,
    "l": 35.686
  },
  "oklch": {
    "l": 0.38563,
    "c": 0.12656,
    "h": 273.3
  },
  "luminance": 0.05376
}

Semantic roles & 50–950 ramp

primary

#303A86

secondary

#B0A762

accent

#C751D7

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #303A86

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

Preview Lab → · Contrast checker → · Palette generator →