#30348B#30348B

#30348B is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.8% C 0.142 H 275.3°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#30348B
RGB	rgb(48, 52, 139)
HSL	hsl(237, 49%, 37%)
HSV	hsv(237, 65%, 55%)
CMYK	cmyk(65.5%, 62.6%, 0%, 45.5%)
CIE-LAB	lab(26.59, 27.07, -49.05)
CIE-LCH	lch(26.59, 56.02, 298.90°)
OKLab	oklab(37.8% 0.0131 -0.1412)
OKLCH	oklch(37.8% 0.142 275.3)
XYZ	xyz(7.1056, 4.9478, 25.0017)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30348B #8B8730

analogous

#30628B #30348B #5A308B

triadic

#30348B #8B3034 #348B30

tetradic

#30348B #8B3062 #8B8730 #308B5A

square

#30348B #8B3062 #8B8730 #308B5A

split-complementary

#30348B #8B5A30 #628B30

monochromatic

#111230 #20235E #30348B #4045B8 #6A6ECC

Accessibility & contrast

On white

10.55

#30348B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#30348B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30348B

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30348B	#FFFFFF	#000000	##FFFFFF
##30348B	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438E

Deuteranopia (green-blind)

#003B89

Tritanopia (blue-blind)

#004A5A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #30348b;
/* rgb */ color: rgb(48, 52, 139);
/* oklch */ color: oklch(37.8% 0.142 275.3);

Tailwind

colors: {
  custom: {
    50: '#736bae',
    500: '#30348b',
    950: '#000000',
  },
}

SCSS

$custom: #30348b;
$custom-light: #736bae;
$custom-dark: #000000;

JSON

{
  "hex": "#30348b",
  "rgb": {
    "r": 48,
    "g": 52,
    "b": 139
  },
  "hsl": {
    "h": 237.363,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37803,
    "c": 0.14184,
    "h": 275.3
  },
  "luminance": 0.04948
}

Semantic roles & 50–950 ramp

primary

#30348B

secondary

#B3AF64

accent

#D250D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #30348B

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

Preview Lab → · Contrast checker → · Palette generator →