#30339E#30339E

#30339E is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.4% C 0.169 H 274.2°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#30339E
RGB	rgb(48, 51, 158)
HSL	hsl(238, 53%, 40%)
HSV	hsv(238, 70%, 62%)
CMYK	cmyk(69.6%, 67.7%, 0%, 38%)
CIE-LAB	lab(28.02, 34.50, -58.37)
CIE-LCH	lch(28.02, 67.81, 300.58°)
OKLab	oklab(39.37% 0.0124 -0.1686)
OKLCH	oklch(39.37% 0.169 274.2)
XYZ	xyz(8.5723, 5.4639, 32.9440)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30339E #9E9B30

analogous

#306A9E #30339E #64309E

triadic

#30339E #9E3033 #339E30

tetradic

#30339E #9E306A #9E9B30 #309E64

square

#30339E #9E306A #9E9B30 #309E64

split-complementary

#30339E #9E6430 #6A9E30

monochromatic

#131540 #22246F #30339E #4548C6 #7476D5

Accessibility & contrast

On white

10.03

#30339E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#30339E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30339E

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30339E	#FFFFFF	#000000	##FFFFFF
##30339E	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A1

Deuteranopia (green-blind)

#003D9C

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #30339e;
/* rgb */ color: rgb(48, 51, 158);
/* oklch */ color: oklch(39.4% 0.169 274.2);

Tailwind

colors: {
  custom: {
    50: '#786bbc',
    500: '#30339e',
    950: '#000000',
  },
}

SCSS

$custom: #30339e;
$custom-light: #786bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#30339e",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 158
  },
  "hsl": {
    "h": 238.364,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39369,
    "c": 0.16906,
    "h": 274.2
  },
  "luminance": 0.05465
}

Semantic roles & 50–950 ramp

primary

#30339E

secondary

#BDBA6D

accent

#D94BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #30339E

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

Preview Lab → · Contrast checker → · Palette generator →