#30309D#30309D

#30309D is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.8% C 0.171 H 274.9°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#30309D
RGB	rgb(48, 48, 157)
HSL	hsl(240, 53%, 40%)
HSV	hsv(240, 69%, 62%)
CMYK	cmyk(69.4%, 69.4%, 0%, 38.4%)
CIE-LAB	lab(27.23, 36.02, -59.06)
CIE-LCH	lch(27.23, 69.18, 301.38°)
OKLab	oklab(38.77% 0.0147 -0.1706)
OKLCH	oklch(38.77% 0.171 274.9)
XYZ	xyz(8.3597, 5.1758, 32.4502)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30309D #9D9D30

analogous

#30669D #30309D #66309D

triadic

#30309D #9D3030 #309D30

tetradic

#30309D #9D3066 #9D9D30 #309D66

square

#30309D #9D3066 #9D9D30 #309D66

split-complementary

#30309D #9D6630 #669D30

monochromatic

#13133F #22226E #30309D #4444C6 #7373D4

Accessibility & contrast

On white

10.32

#30309D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#30309D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30309D

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30309D	#FFFFFF	#000000	##FFFFFF
##30309D	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A0

Deuteranopia (green-blind)

#003B9B

Tritanopia (blue-blind)

#004D62

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #30309d;
/* rgb */ color: rgb(48, 48, 157);
/* oklch */ color: oklch(38.8% 0.171 274.9);

Tailwind

colors: {
  custom: {
    50: '#7869bb',
    500: '#30309d',
    950: '#000000',
  },
}

SCSS

$custom: #30309d;
$custom-light: #7869bb;
$custom-dark: #000000;

JSON

{
  "hex": "#30309d",
  "rgb": {
    "r": 48,
    "g": 48,
    "b": 157
  },
  "hsl": {
    "h": 240,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.3877,
    "c": 0.17124,
    "h": 274.9
  },
  "luminance": 0.05177
}

Semantic roles & 50–950 ramp

primary

#30309D

secondary

#BCBC6D

accent

#DD4BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #30309D

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

Preview Lab → · Contrast checker → · Palette generator →