#30318B#30318B

#30318B is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.2% C 0.146 H 276.2°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#30318B
RGB	rgb(48, 49, 139)
HSL	hsl(239, 49%, 37%)
HSV	hsv(239, 65%, 55%)
CMYK	cmyk(65.5%, 64.7%, 0%, 45.5%)
CIE-LAB	lab(25.83, 29.05, -50.28)
CIE-LCH	lch(25.83, 58.07, 300.02°)
OKLab	oklab(37.25% 0.0157 -0.1449)
OKLCH	oklch(37.25% 0.146 276.2)
XYZ	xyz(6.9759, 4.6885, 24.9584)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30318B #8B8A30

analogous

#305F8B #30318B #5D308B

triadic

#30318B #8B3031 #318B30

tetradic

#30318B #8B305F #8B8A30 #308B5D

square

#30318B #8B305F #8B8A30 #308B5D

split-complementary

#30318B #8B5D30 #5F8B30

monochromatic

#111130 #20215E #30318B #4041B8 #6A6BCC

Accessibility & contrast

On white

10.84

#30318B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#30318B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30318B

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30318B	#FFFFFF	#000000	##FFFFFF
##30318B	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418E

Deuteranopia (green-blind)

#003989

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #30318b;
/* rgb */ color: rgb(48, 49, 139);
/* oklch */ color: oklch(37.2% 0.146 276.2);

Tailwind

colors: {
  custom: {
    50: '#7469ae',
    500: '#30318b',
    950: '#000000',
  },
}

SCSS

$custom: #30318b;
$custom-light: #7469ae;
$custom-dark: #000000;

JSON

{
  "hex": "#30318b",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 139
  },
  "hsl": {
    "h": 239.341,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37247,
    "c": 0.14574,
    "h": 276.2
  },
  "luminance": 0.04689
}

Semantic roles & 50–950 ramp

primary

#30318B

secondary

#B3B264

accent

#D750D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #30318B

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

Preview Lab → · Contrast checker → · Palette generator →