#333380#333380

#333380 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.127 H 278.2°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#333380
RGB	rgb(51, 51, 128)
HSL	hsl(240, 43%, 35%)
HSV	hsv(240, 60%, 50%)
CMYK	cmyk(60.2%, 60.2%, 0%, 49.8%)
CIE-LAB	lab(25.65, 24.35, -43.69)
CIE-LCH	lch(25.65, 50.01, 299.13°)
OKLab	oklab(36.89% 0.0181 -0.1254)
OKLCH	oklch(36.89% 0.127 278.2)
XYZ	xyz(6.4441, 4.6295, 20.9719)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333380 #808033

analogous

#335980 #333380 #593380

triadic

#333380 #803333 #338033

tetradic

#333380 #803359 #808033 #338059

square

#333380 #803359 #808033 #338059

split-complementary

#333380 #805933 #598033

monochromatic

#101028 #222254 #333380 #4444AC #6A6AC4

Accessibility & contrast

On white

10.90

#333380 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#333380 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333380

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333380	#FFFFFF	#000000	##FFFFFF
##333380	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004083

Deuteranopia (green-blind)

#003A7E

Tritanopia (blue-blind)

#014554

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #333380;
/* rgb */ color: rgb(51, 51, 128);
/* oklch */ color: oklch(36.9% 0.127 278.2);

Tailwind

colors: {
  custom: {
    50: '#736aa5',
    500: '#333380',
    950: '#000000',
  },
}

SCSS

$custom: #333380;
$custom-light: #736aa5;
$custom-dark: #000000;

JSON

{
  "hex": "#333380",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 128
  },
  "hsl": {
    "h": 240,
    "s": 43.017,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36889,
    "c": 0.12671,
    "h": 278.2
  },
  "luminance": 0.0463
}

Semantic roles & 50–950 ramp

primary

#333380

secondary

#ABAB63

accent

#D355D3

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #333380

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

Preview Lab → · Contrast checker → · Palette generator →