#30309F#30309F

#30309F is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.0% C 0.174 H 274.7°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#30309F
RGB	rgb(48, 48, 159)
HSL	hsl(240, 54%, 41%)
HSV	hsv(240, 70%, 62%)
CMYK	cmyk(69.8%, 69.8%, 0%, 37.6%)
CIE-LAB	lab(27.42, 36.72, -59.96)
CIE-LCH	lch(27.42, 70.31, 301.48°)
OKLab	oklab(38.97% 0.0144 -0.1732)
OKLCH	oklch(38.97% 0.174 274.7)
XYZ	xyz(8.5318, 5.2447, 33.3569)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30309F #9F9F30

analogous

#30679F #30309F #67309F

triadic

#30309F #9F3030 #309F30

tetradic

#30309F #9F3067 #9F9F30 #309F67

square

#30309F #9F3067 #9F9F30 #309F67

split-complementary

#30309F #9F6730 #679F30

monochromatic

#141441 #222270 #30309F #4545C7 #7474D5

Accessibility & contrast

On white

10.25

#30309F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#30309F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30309F

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30309F	#FFFFFF	#000000	##FFFFFF
##30309F	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A2

Deuteranopia (green-blind)

#003C9D

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #30309f;
/* rgb */ color: rgb(48, 48, 159);
/* oklch */ color: oklch(39.0% 0.174 274.7);

Tailwind

colors: {
  custom: {
    50: '#7869bc',
    500: '#30309f',
    950: '#000000',
  },
}

SCSS

$custom: #30309f;
$custom-light: #7869bc;
$custom-dark: #000000;

JSON

{
  "hex": "#30309f",
  "rgb": {
    "r": 48,
    "g": 48,
    "b": 159
  },
  "hsl": {
    "h": 240,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.38966,
    "c": 0.17385,
    "h": 274.7
  },
  "luminance": 0.05245
}

Semantic roles & 50–950 ramp

primary

#30309F

secondary

#BDBD6E

accent

#DD4BDD

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #30309F

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

Preview Lab → · Contrast checker → · Palette generator →