#333378#333378

#333378 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 36.2% C 0.115 H 279.0°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#333378
RGB	rgb(51, 51, 120)
HSL	hsl(240, 40%, 34%)
HSV	hsv(240, 58%, 47%)
CMYK	cmyk(57.5%, 57.5%, 0%, 52.9%)
CIE-LAB	lab(25.04, 21.52, -39.64)
CIE-LCH	lch(25.04, 45.10, 298.50°)
OKLab	oklab(36.24% 0.018 -0.1135)
OKLCH	oklch(36.24% 0.115 279)
XYZ	xyz(5.9382, 4.4271, 18.3073)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333378 #787833

analogous

#335578 #333378 #553378

triadic

#333378 #783333 #337833

tetradic

#333378 #783355 #787833 #337855

square

#333378 #783355 #787833 #337855

split-complementary

#333378 #785533 #557833

monochromatic

#0E0E22 #21214D #333378 #4545A3 #6767BE

Accessibility & contrast

On white

11.14

#333378 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#333378 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333378

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333378	#FFFFFF	#000000	##FFFFFF
##333378	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#053E7A

Deuteranopia (green-blind)

#003977

Tritanopia (blue-blind)

#114350

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #333378;
/* rgb */ color: rgb(51, 51, 120);
/* oklch */ color: oklch(36.2% 0.115 279.0);

Tailwind

colors: {
  custom: {
    50: '#716a9f',
    500: '#333378',
    950: '#000000',
  },
}

SCSS

$custom: #333378;
$custom-light: #716a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#333378",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 120
  },
  "hsl": {
    "h": 240,
    "s": 40.351,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36237,
    "c": 0.1149,
    "h": 279
  },
  "luminance": 0.04428
}

Semantic roles & 50–950 ramp

primary

#333378

secondary

#A6A660

accent

#D058D0

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060F

muted

#7B7A7E

Preview Lab

Preview with #333378

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

Preview Lab → · Contrast checker → · Palette generator →