#303590#303590

#303590 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.4% C 0.148 H 274.6°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#303590
RGB	rgb(48, 53, 144)
HSL	hsl(237, 50%, 38%)
HSV	hsv(237, 67%, 56%)
CMYK	cmyk(66.7%, 63.2%, 0%, 43.5%)
CIE-LAB	lab(27.26, 28.22, -51.04)
CIE-LCH	lch(27.26, 58.32, 298.94°)
OKLab	oklab(38.43% 0.012 -0.1471)
OKLCH	oklch(38.43% 0.148 274.6)
XYZ	xyz(7.5244, 5.1875, 26.9849)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303590 #908B30

analogous

#306590 #303590 #5B3090

triadic

#303590 #903035 #359030

tetradic

#303590 #903065 #908B30 #30905B

square

#303590 #903065 #908B30 #30905B

split-complementary

#303590 #905B30 #659030

monochromatic

#111334 #212462 #303590 #3F46BE #6C71CE

Accessibility & contrast

On white

10.31

#303590 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#303590 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303590

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303590	#FFFFFF	#000000	##FFFFFF
##303590	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004593

Deuteranopia (green-blind)

#003C8E

Tritanopia (blue-blind)

#004C5D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #303590;
/* rgb */ color: rgb(48, 53, 144);
/* oklch */ color: oklch(38.4% 0.148 274.6);

Tailwind

colors: {
  custom: {
    50: '#746cb1',
    500: '#303590',
    950: '#000000',
  },
}

SCSS

$custom: #303590;
$custom-light: #746cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#303590",
  "rgb": {
    "r": 48,
    "g": 53,
    "b": 144
  },
  "hsl": {
    "h": 236.875,
    "s": 50,
    "l": 37.647
  },
  "oklch": {
    "l": 0.38433,
    "c": 0.14756,
    "h": 274.6
  },
  "luminance": 0.05188
}

Semantic roles & 50–950 ramp

primary

#303590

secondary

#B5B166

accent

#D24EDA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #303590

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

Preview Lab → · Contrast checker → · Palette generator →