#30399A#30399A

#30399A is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.156 H 273.0°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#30399A
RGB	rgb(48, 57, 154)
HSL	hsl(235, 52%, 40%)
HSV	hsv(235, 69%, 60%)
CMYK	cmyk(68.8%, 63%, 0%, 39.6%)
CIE-LAB	lab(29.13, 29.20, -54.13)
CIE-LCH	lch(29.13, 61.50, 298.35°)
OKLab	oklab(40.07% 0.0082 -0.1561)
OKLCH	oklch(40.07% 0.156 273)
XYZ	xyz(8.5128, 5.8869, 31.2533)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30399A #9A9130

analogous

#306E9A #30399A #5C309A

triadic

#30399A #9A3039 #399A30

tetradic

#30399A #9A306E #9A9130 #309A5C

square

#30399A #9A306E #9A9130 #309A5C

split-complementary

#30399A #9A5C30 #6E9A30

monochromatic

#13163D #21286B #30399A #434EC4 #727AD3

Accessibility & contrast

On white

9.64

#30399A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#30399A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30399A

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30399A	#FFFFFF	#000000	##FFFFFF
##30399A	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9D

Deuteranopia (green-blind)

#004098

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #30399a;
/* rgb */ color: rgb(48, 57, 154);
/* oklch */ color: oklch(40.1% 0.156 273.0);

Tailwind

colors: {
  custom: {
    50: '#766fb9',
    500: '#30399a',
    950: '#000000',
  },
}

SCSS

$custom: #30399a;
$custom-light: #766fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#30399a",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 154
  },
  "hsl": {
    "h": 234.906,
    "s": 52.475,
    "l": 39.608
  },
  "oklch": {
    "l": 0.40069,
    "c": 0.15632,
    "h": 273
  },
  "luminance": 0.05888
}

Semantic roles & 50–950 ramp

primary

#30399A

secondary

#BBB46B

accent

#D04CDC

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #30399A

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

Preview Lab → · Contrast checker → · Palette generator →