#333990#333990

#333990 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.4% C 0.142 H 274.8°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#333990
RGB	rgb(51, 57, 144)
HSL	hsl(236, 48%, 38%)
HSV	hsv(236, 65%, 56%)
CMYK	cmyk(64.6%, 60.4%, 0%, 43.5%)
CIE-LAB	lab(28.49, 26.06, -49.02)
CIE-LCH	lch(28.49, 55.52, 298.00°)
OKLab	oklab(39.4% 0.012 -0.141)
OKLCH	oklch(39.4% 0.142 274.8)
XYZ	xyz(7.8608, 5.6430, 27.0551)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333990 #908A33

analogous

#336790 #333990 #5B3390

triadic

#333990 #903339 #399033

tetradic

#333990 #903367 #908A33 #33905B

square

#333990 #903367 #908A33 #33905B

split-complementary

#333990 #905B33 #679033

monochromatic

#131536 #232763 #333990 #444BBD #7177CD

Accessibility & contrast

On white

9.86

#333990 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#333990 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333990

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333990	#FFFFFF	#000000	##FFFFFF
##333990	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004793

Deuteranopia (green-blind)

#003F8E

Tritanopia (blue-blind)

#004E5F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #333990;
/* rgb */ color: rgb(51, 57, 144);
/* oklch */ color: oklch(39.4% 0.142 274.8);

Tailwind

colors: {
  custom: {
    50: '#766fb1',
    500: '#333990',
    950: '#000000',
  },
}

SCSS

$custom: #333990;
$custom-light: #766fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#333990",
  "rgb": {
    "r": 51,
    "g": 57,
    "b": 144
  },
  "hsl": {
    "h": 236.129,
    "s": 47.692,
    "l": 38.235
  },
  "oklch": {
    "l": 0.39395,
    "c": 0.14155,
    "h": 274.8
  },
  "luminance": 0.05644
}

Semantic roles & 50–950 ramp

primary

#333990

secondary

#B5B06A

accent

#CF51D7

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #333990

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

Preview Lab → · Contrast checker → · Palette generator →