#30398E#30398E

#30398E is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.0% C 0.140 H 273.5°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#30398E
RGB	rgb(48, 57, 142)
HSL	hsl(234, 49%, 37%)
HSV	hsv(234, 66%, 56%)
CMYK	cmyk(66.2%, 59.9%, 0%, 44.3%)
CIE-LAB	lab(28.13, 24.83, -48.39)
CIE-LCH	lch(28.13, 54.38, 297.16°)
OKLab	oklab(39.03% 0.0084 -0.1393)
OKLCH	oklch(39.03% 0.14 273.5)
XYZ	xyz(7.5629, 5.5070, 26.2503)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30398E #8E8530

analogous

#30688E #30398E #56308E

triadic

#30398E #8E3039 #398E30

tetradic

#30398E #8E3068 #8E8530 #308E56

square

#30398E #8E3068 #8E8530 #308E56

split-complementary

#30398E #8E5630 #688E30

monochromatic

#111433 #212760 #30398E #3F4BBC #6B75CD

Accessibility & contrast

On white

9.99

#30398E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#30398E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30398E

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30398E	#FFFFFF	#000000	##FFFFFF
##30398E	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004791

Deuteranopia (green-blind)

#003E8C

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #30398e;
/* rgb */ color: rgb(48, 57, 142);
/* oklch */ color: oklch(39.0% 0.140 273.5);

Tailwind

colors: {
  custom: {
    50: '#746fb0',
    500: '#30398e',
    950: '#000000',
  },
}

SCSS

$custom: #30398e;
$custom-light: #746fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#30398e",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 142
  },
  "hsl": {
    "h": 234.255,
    "s": 49.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.39025,
    "c": 0.1395,
    "h": 273.5
  },
  "luminance": 0.05508
}

Semantic roles & 50–950 ramp

primary

#30398E

secondary

#B4AD65

accent

#CC4FD9

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #30398E

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

Preview Lab → · Contrast checker → · Palette generator →