#30308F#30308F

#30308F is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.4% C 0.153 H 276.1°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#30308F
RGB	rgb(48, 48, 143)
HSL	hsl(240, 50%, 37%)
HSV	hsv(240, 66%, 56%)
CMYK	cmyk(66.4%, 66.4%, 0%, 43.9%)
CIE-LAB	lab(25.94, 31.12, -52.59)
CIE-LCH	lch(25.94, 61.10, 300.61°)
OKLab	oklab(37.44% 0.0163 -0.1516)
OKLCH	oklch(37.44% 0.153 276.1)
XYZ	xyz(7.2322, 4.7248, 26.5121)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30308F #8F8F30

analogous

#30608F #30308F #60308F

triadic

#30308F #8F3030 #308F30

tetradic

#30308F #8F3060 #8F8F30 #308F60

square

#30308F #8F3060 #8F8F30 #308F60

split-complementary

#30308F #8F6030 #608F30

monochromatic

#111133 #212161 #30308F #3F3FBD #6C6CCE

Accessibility & contrast

On white

10.80

#30308F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#30308F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30308F

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30308F	#FFFFFF	#000000	##FFFFFF
##30308F	1.00	10.80	1.95	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004292

Deuteranopia (green-blind)

#00398D

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #30308f;
/* rgb */ color: rgb(48, 48, 143);
/* oklch */ color: oklch(37.4% 0.153 276.1);

Tailwind

colors: {
  custom: {
    50: '#7568b1',
    500: '#30308f',
    950: '#000000',
  },
}

SCSS

$custom: #30308f;
$custom-light: #7568b1;
$custom-dark: #000000;

JSON

{
  "hex": "#30308f",
  "rgb": {
    "r": 48,
    "g": 48,
    "b": 143
  },
  "hsl": {
    "h": 240,
    "s": 49.738,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37435,
    "c": 0.15252,
    "h": 276.1
  },
  "luminance": 0.04725
}

Semantic roles & 50–950 ramp

primary

#30308F

secondary

#B5B566

accent

#D94FD9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #30308F

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

Preview Lab → · Contrast checker → · Palette generator →