#30359E#30359E

#30359E is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.7% C 0.167 H 273.8°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#30359E
RGB	rgb(48, 53, 158)
HSL	hsl(237, 53%, 40%)
HSV	hsv(237, 70%, 62%)
CMYK	cmyk(69.6%, 66.5%, 0%, 38%)
CIE-LAB	lab(28.49, 33.23, -57.60)
CIE-LCH	lch(28.49, 66.50, 299.98°)
OKLab	oklab(39.71% 0.011 -0.1663)
OKLCH	oklch(39.71% 0.167 273.8)
XYZ	xyz(8.6615, 5.6424, 32.9738)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30359E #9E9930

analogous

#306C9E #30359E #62309E

triadic

#30359E #9E3035 #359E30

tetradic

#30359E #9E306C #9E9930 #309E62

square

#30359E #9E306C #9E9930 #309E62

split-complementary

#30359E #9E6230 #6C9E30

monochromatic

#131640 #22256F #30359E #454BC6 #7478D5

Accessibility & contrast

On white

9.87

#30359E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#30359E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30359E

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30359E	#FFFFFF	#000000	##FFFFFF
##30359E	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A1

Deuteranopia (green-blind)

#003E9C

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #30359e;
/* rgb */ color: rgb(48, 53, 158);
/* oklch */ color: oklch(39.7% 0.167 273.8);

Tailwind

colors: {
  custom: {
    50: '#786cbc',
    500: '#30359e',
    950: '#000000',
  },
}

SCSS

$custom: #30359e;
$custom-light: #786cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#30359e",
  "rgb": {
    "r": 48,
    "g": 53,
    "b": 158
  },
  "hsl": {
    "h": 237.273,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39713,
    "c": 0.16668,
    "h": 273.8
  },
  "luminance": 0.05643
}

Semantic roles & 50–950 ramp

primary

#30359E

secondary

#BDB96D

accent

#D64BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #30359E

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

Preview Lab → · Contrast checker → · Palette generator →