#30358F#30358F

#30358F is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.3% C 0.146 H 274.7°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#30358F
RGB	rgb(48, 53, 143)
HSL	hsl(237, 50%, 37%)
HSV	hsv(237, 66%, 56%)
CMYK	cmyk(66.4%, 62.9%, 0%, 43.9%)
CIE-LAB	lab(27.18, 27.85, -50.56)
CIE-LCH	lch(27.18, 57.72, 298.85°)
OKLab	oklab(38.34% 0.012 -0.1457)
OKLCH	oklch(38.34% 0.146 274.7)
XYZ	xyz(7.4483, 5.1571, 26.5842)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30358F #8F8A30

analogous

#30658F #30358F #5A308F

triadic

#30358F #8F3035 #358F30

tetradic

#30358F #8F3065 #8F8A30 #308F5A

square

#30358F #8F3065 #8F8A30 #308F5A

split-complementary

#30358F #8F5A30 #658F30

monochromatic

#111333 #212461 #30358F #3F46BD #6C71CE

Accessibility & contrast

On white

10.34

#30358F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#30358F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30358F

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30358F	#FFFFFF	#000000	##FFFFFF
##30358F	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004492

Deuteranopia (green-blind)

#003C8D

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #30358f;
/* rgb */ color: rgb(48, 53, 143);
/* oklch */ color: oklch(38.3% 0.146 274.7);

Tailwind

colors: {
  custom: {
    50: '#746cb1',
    500: '#30358f',
    950: '#000000',
  },
}

SCSS

$custom: #30358f;
$custom-light: #746cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#30358f",
  "rgb": {
    "r": 48,
    "g": 53,
    "b": 143
  },
  "hsl": {
    "h": 236.842,
    "s": 49.738,
    "l": 37.451
  },
  "oklch": {
    "l": 0.38344,
    "c": 0.14616,
    "h": 274.7
  },
  "luminance": 0.05158
}

Semantic roles & 50–950 ramp

primary

#30358F

secondary

#B5B166

accent

#D24FD9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #30358F

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

Preview Lab → · Contrast checker → · Palette generator →