#333790#333790

#333790 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.144 H 275.5°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#333790
RGB	rgb(51, 55, 144)
HSL	hsl(237, 48%, 38%)
HSV	hsv(237, 65%, 56%)
CMYK	cmyk(64.6%, 61.8%, 0%, 43.5%)
CIE-LAB	lab(27.98, 27.38, -49.86)
CIE-LCH	lch(27.98, 56.89, 298.78°)
OKLab	oklab(39.01% 0.0138 -0.1435)
OKLCH	oklch(39.01% 0.144 275.5)
XYZ	xyz(7.7638, 5.4492, 27.0228)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333790 #908C33

analogous

#336590 #333790 #5D3390

triadic

#333790 #903337 #379033

tetradic

#333790 #903365 #908C33 #33905D

square

#333790 #903365 #908C33 #33905D

split-complementary

#333790 #905D33 #659033

monochromatic

#131436 #232663 #333790 #4449BD #7175CD

Accessibility & contrast

On white

10.05

#333790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#333790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333790

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333790	#FFFFFF	#000000	##FFFFFF
##333790	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004693

Deuteranopia (green-blind)

#003E8E

Tritanopia (blue-blind)

#004D5E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #333790;
/* rgb */ color: rgb(51, 55, 144);
/* oklch */ color: oklch(39.0% 0.144 275.5);

Tailwind

colors: {
  custom: {
    50: '#766eb1',
    500: '#333790',
    950: '#000000',
  },
}

SCSS

$custom: #333790;
$custom-light: #766eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#333790",
  "rgb": {
    "r": 51,
    "g": 55,
    "b": 144
  },
  "hsl": {
    "h": 237.419,
    "s": 47.692,
    "l": 38.235
  },
  "oklch": {
    "l": 0.39014,
    "c": 0.14419,
    "h": 275.5
  },
  "luminance": 0.0545
}

Semantic roles & 50–950 ramp

primary

#333790

secondary

#B5B16A

accent

#D151D7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #333790

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

Preview Lab → · Contrast checker → · Palette generator →