#30358B#30358B

#30358B is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.0% C 0.141 H 275.0°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#30358B
RGB	rgb(48, 53, 139)
HSL	hsl(237, 49%, 37%)
HSV	hsv(237, 65%, 55%)
CMYK	cmyk(65.5%, 61.9%, 0%, 45.5%)
CIE-LAB	lab(26.84, 26.41, -48.63)
CIE-LCH	lch(26.84, 55.34, 298.50°)
OKLab	oklab(37.99% 0.0121 -0.14)
OKLCH	oklch(37.99% 0.141 275)
XYZ	xyz(7.1507, 5.0381, 25.0167)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30358B #8B8630

analogous

#30638B #30358B #59308B

triadic

#30358B #8B3035 #358B30

tetradic

#30358B #8B3063 #8B8630 #308B59

square

#30358B #8B3063 #8B8630 #308B59

split-complementary

#30358B #8B5930 #638B30

monochromatic

#111230 #20245E #30358B #4046B8 #6A6FCC

Accessibility & contrast

On white

10.46

#30358B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#30358B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30358B

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30358B	#FFFFFF	#000000	##FFFFFF
##30358B	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448E

Deuteranopia (green-blind)

#003C89

Tritanopia (blue-blind)

#004A5A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #30358b;
/* rgb */ color: rgb(48, 53, 139);
/* oklch */ color: oklch(38.0% 0.141 275.0);

Tailwind

colors: {
  custom: {
    50: '#736cae',
    500: '#30358b',
    950: '#000000',
  },
}

SCSS

$custom: #30358b;
$custom-light: #736cae;
$custom-dark: #000000;

JSON

{
  "hex": "#30358b",
  "rgb": {
    "r": 48,
    "g": 53,
    "b": 139
  },
  "hsl": {
    "h": 236.703,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37993,
    "c": 0.14053,
    "h": 275
  },
  "luminance": 0.05039
}

Semantic roles & 50–950 ramp

primary

#30358B

secondary

#B3AE64

accent

#D150D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #30358B

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

Preview Lab → · Contrast checker → · Palette generator →