#30358E#30358E

#30358E is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.3% C 0.145 H 274.8°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#30358E
RGB	rgb(48, 53, 142)
HSL	hsl(237, 49%, 37%)
HSV	hsv(237, 66%, 56%)
CMYK	cmyk(66.2%, 62.7%, 0%, 44.3%)
CIE-LAB	lab(27.09, 27.49, -50.08)
CIE-LCH	lch(27.09, 57.13, 298.77°)
OKLab	oklab(38.26% 0.012 -0.1443)
OKLCH	oklch(38.26% 0.145 274.8)
XYZ	xyz(7.3729, 5.1269, 26.1870)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30358E #8E8930

analogous

#30648E #30358E #5A308E

triadic

#30358E #8E3035 #358E30

tetradic

#30358E #8E3064 #8E8930 #308E5A

square

#30358E #8E3064 #8E8930 #308E5A

split-complementary

#30358E #8E5A30 #648E30

monochromatic

#111333 #212460 #30358E #3F46BC #6B71CD

Accessibility & contrast

On white

10.37

#30358E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#30358E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30358E

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30358E	#FFFFFF	#000000	##FFFFFF
##30358E	1.00	10.37	2.03	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004491

Deuteranopia (green-blind)

#003C8C

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #30358e;
/* rgb */ color: rgb(48, 53, 142);
/* oklch */ color: oklch(38.3% 0.145 274.8);

Tailwind

colors: {
  custom: {
    50: '#746cb0',
    500: '#30358e',
    950: '#000000',
  },
}

SCSS

$custom: #30358e;
$custom-light: #746cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#30358e",
  "rgb": {
    "r": 48,
    "g": 53,
    "b": 142
  },
  "hsl": {
    "h": 236.809,
    "s": 49.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.38256,
    "c": 0.14476,
    "h": 274.8
  },
  "luminance": 0.05128
}

Semantic roles & 50–950 ramp

primary

#30358E

secondary

#B4B065

accent

#D24FD9

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #30358E

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

Preview Lab → · Contrast checker → · Palette generator →