#30359D#30359D

#30359D is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.6% C 0.165 H 273.8°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#30359D
RGB	rgb(48, 53, 157)
HSL	hsl(237, 53%, 40%)
HSV	hsv(237, 69%, 62%)
CMYK	cmyk(69.4%, 66.2%, 0%, 38.4%)
CIE-LAB	lab(28.40, 32.87, -57.14)
CIE-LCH	lch(28.40, 65.92, 299.91°)
OKLab	oklab(39.62% 0.0111 -0.165)
OKLCH	oklch(39.62% 0.165 273.8)
XYZ	xyz(8.5758, 5.6081, 32.5223)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30359D #9D9830

analogous

#306B9D #30359D #62309D

triadic

#30359D #9D3035 #359D30

tetradic

#30359D #9D306B #9D9830 #309D62

square

#30359D #9D306B #9D9830 #309D62

split-complementary

#30359D #9D6230 #6B9D30

monochromatic

#13153F #22256E #30359D #444AC6 #7378D4

Accessibility & contrast

On white

9.90

#30359D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#30359D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30359D

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30359D	#FFFFFF	#000000	##FFFFFF
##30359D	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A0

Deuteranopia (green-blind)

#003E9B

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #30359d;
/* rgb */ color: rgb(48, 53, 157);
/* oklch */ color: oklch(39.6% 0.165 273.8);

Tailwind

colors: {
  custom: {
    50: '#776cbb',
    500: '#30359d',
    950: '#000000',
  },
}

SCSS

$custom: #30359d;
$custom-light: #776cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#30359d",
  "rgb": {
    "r": 48,
    "g": 53,
    "b": 157
  },
  "hsl": {
    "h": 237.248,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.3962,
    "c": 0.16534,
    "h": 273.8
  },
  "luminance": 0.05609
}

Semantic roles & 50–950 ramp

primary

#30359D

secondary

#BCB86D

accent

#D64BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #30359D

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

Preview Lab → · Contrast checker → · Palette generator →