#30398D#30398D

#30398D is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.9% C 0.138 H 273.5°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#30398D
RGB	rgb(48, 57, 141)
HSL	hsl(234, 49%, 37%)
HSV	hsv(234, 66%, 55%)
CMYK	cmyk(66%, 59.6%, 0%, 44.7%)
CIE-LAB	lab(28.05, 24.46, -47.90)
CIE-LCH	lch(28.05, 53.78, 297.05°)
OKLab	oklab(38.94% 0.0084 -0.1378)
OKLCH	oklch(38.94% 0.138 273.5)
XYZ	xyz(7.4882, 5.4771, 25.8567)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30398D #8D8430

analogous

#30678D #30398D #56308D

triadic

#30398D #8D3039 #398D30

tetradic

#30398D #8D3067 #8D8430 #308D56

square

#30398D #8D3067 #8D8430 #308D56

split-complementary

#30398D #8D5630 #678D30

monochromatic

#111432 #20275F #30398D #404BBB #6B74CD

Accessibility & contrast

On white

10.02

#30398D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#30398D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30398D

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30398D	#FFFFFF	#000000	##FFFFFF
##30398D	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#003E8B

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #30398d;
/* rgb */ color: rgb(48, 57, 141);
/* oklch */ color: oklch(38.9% 0.138 273.5);

Tailwind

colors: {
  custom: {
    50: '#736faf',
    500: '#30398d',
    950: '#000000',
  },
}

SCSS

$custom: #30398d;
$custom-light: #736faf;
$custom-dark: #000000;

JSON

{
  "hex": "#30398d",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 141
  },
  "hsl": {
    "h": 234.194,
    "s": 49.206,
    "l": 37.059
  },
  "oklch": {
    "l": 0.3894,
    "c": 0.13808,
    "h": 273.5
  },
  "luminance": 0.05478
}

Semantic roles & 50–950 ramp

primary

#30398D

secondary

#B4AC65

accent

#CB4FD9

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #30398D

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

Preview Lab → · Contrast checker → · Palette generator →