#30308B#30308B

#30308B is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.1% C 0.147 H 276.5°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#30308B
RGB	rgb(48, 48, 139)
HSL	hsl(240, 49%, 37%)
HSV	hsv(240, 65%, 55%)
CMYK	cmyk(65.5%, 65.5%, 0%, 45.5%)
CIE-LAB	lab(25.58, 29.70, -50.69)
CIE-LCH	lch(25.58, 58.75, 300.37°)
OKLab	oklab(37.07% 0.0166 -0.1461)
OKLCH	oklch(37.07% 0.147 276.5)
XYZ	xyz(6.9346, 4.6058, 24.9447)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30308B #8B8B30

analogous

#305E8B #30308B #5E308B

triadic

#30308B #8B3030 #308B30

tetradic

#30308B #8B305E #8B8B30 #308B5E

square

#30308B #8B305E #8B8B30 #308B5E

split-complementary

#30308B #8B5E30 #5E8B30

monochromatic

#111130 #20205E #30308B #4040B8 #6A6ACC

Accessibility & contrast

On white

10.93

#30308B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#30308B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30308B

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30308B	#FFFFFF	#000000	##FFFFFF
##30308B	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418E

Deuteranopia (green-blind)

#003989

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #30308b;
/* rgb */ color: rgb(48, 48, 139);
/* oklch */ color: oklch(37.1% 0.147 276.5);

Tailwind

colors: {
  custom: {
    50: '#7468ae',
    500: '#30308b',
    950: '#000000',
  },
}

SCSS

$custom: #30308b;
$custom-light: #7468ae;
$custom-dark: #000000;

JSON

{
  "hex": "#30308b",
  "rgb": {
    "r": 48,
    "g": 48,
    "b": 139
  },
  "hsl": {
    "h": 240,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37066,
    "c": 0.14702,
    "h": 276.5
  },
  "luminance": 0.04606
}

Semantic roles & 50–950 ramp

primary

#30308B

secondary

#B3B364

accent

#D850D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #30308B

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

Preview Lab → · Contrast checker → · Palette generator →