#333389#333389

#333389 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.7% C 0.140 H 277.3°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#333389
RGB	rgb(51, 51, 137)
HSL	hsl(240, 46%, 37%)
HSV	hsv(240, 63%, 54%)
CMYK	cmyk(62.8%, 62.8%, 0%, 46.3%)
CIE-LAB	lab(26.38, 27.53, -48.13)
CIE-LCH	lch(26.38, 55.45, 299.77°)
OKLab	oklab(37.66% 0.0178 -0.1385)
OKLCH	oklch(37.66% 0.14 277.3)
XYZ	xyz(7.0630, 4.8771, 24.2312)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333389 #898933

analogous

#335E89 #333389 #5E3389

triadic

#333389 #893333 #338933

tetradic

#333389 #89335E #898933 #33895E

square

#333389 #89335E #898933 #33895E

split-complementary

#333389 #895E33 #5E8933

monochromatic

#121230 #22225C #333389 #4444B6 #6E6EC9

Accessibility & contrast

On white

10.63

#333389 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#333389 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333389

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333389	#FFFFFF	#000000	##FFFFFF
##333389	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428C

Deuteranopia (green-blind)

#003B87

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #333389;
/* rgb */ color: rgb(51, 51, 137);
/* oklch */ color: oklch(37.7% 0.140 277.3);

Tailwind

colors: {
  custom: {
    50: '#756bac',
    500: '#333389',
    950: '#000000',
  },
}

SCSS

$custom: #333389;
$custom-light: #756bac;
$custom-dark: #000000;

JSON

{
  "hex": "#333389",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 137
  },
  "hsl": {
    "h": 240,
    "s": 45.745,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37657,
    "c": 0.1396,
    "h": 277.3
  },
  "luminance": 0.04878
}

Semantic roles & 50–950 ramp

primary

#333389

secondary

#B1B167

accent

#D552D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #333389

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

Preview Lab → · Contrast checker → · Palette generator →