#30398C#30398C

#30398C is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.9% C 0.137 H 273.5°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#30398C
RGB	rgb(48, 57, 140)
HSL	hsl(234, 49%, 37%)
HSV	hsv(234, 66%, 55%)
CMYK	cmyk(65.7%, 59.3%, 0%, 45.1%)
CIE-LAB	lab(27.97, 24.10, -47.41)
CIE-LCH	lch(27.97, 53.18, 296.94°)
OKLab	oklab(38.86% 0.0084 -0.1364)
OKLCH	oklch(38.86% 0.137 273.5)
XYZ	xyz(7.4141, 5.4474, 25.4666)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30398C #8C8330

analogous

#30678C #30398C #55308C

triadic

#30398C #8C3039 #398C30

tetradic

#30398C #8C3067 #8C8330 #308C55

square

#30398C #8C3067 #8C8330 #308C55

split-complementary

#30398C #8C5530 #678C30

monochromatic

#111431 #20265E #30398C #404CBA #6A74CC

Accessibility & contrast

On white

10.05

#30398C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#30398C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30398C

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30398C	#FFFFFF	#000000	##FFFFFF
##30398C	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468F

Deuteranopia (green-blind)

#003E8A

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #30398c;
/* rgb */ color: rgb(48, 57, 140);
/* oklch */ color: oklch(38.9% 0.137 273.5);

Tailwind

colors: {
  custom: {
    50: '#736fae',
    500: '#30398c',
    950: '#000000',
  },
}

SCSS

$custom: #30398c;
$custom-light: #736fae;
$custom-dark: #000000;

JSON

{
  "hex": "#30398c",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 140
  },
  "hsl": {
    "h": 234.13,
    "s": 48.936,
    "l": 36.863
  },
  "oklch": {
    "l": 0.38856,
    "c": 0.13664,
    "h": 273.5
  },
  "luminance": 0.05448
}

Semantic roles & 50–950 ramp

primary

#30398C

secondary

#B3AC64

accent

#CB4FD8

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #30398C

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

Preview Lab → · Contrast checker → · Palette generator →