#333678#333678

#333678 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.8% C 0.111 H 277.5°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#333678
RGB	rgb(51, 54, 120)
HSL	hsl(237, 40%, 34%)
HSV	hsv(237, 58%, 47%)
CMYK	cmyk(57.5%, 55%, 0%, 52.9%)
CIE-LAB	lab(25.86, 19.48, -38.31)
CIE-LCH	lch(25.86, 42.98, 296.95°)
OKLab	oklab(36.85% 0.0145 -0.1096)
OKLCH	oklch(36.85% 0.111 277.5)
XYZ	xyz(6.0735, 4.6978, 18.3524)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333678 #787533

analogous

#335878 #333678 #523378

triadic

#333678 #783336 #367833

tetradic

#333678 #783358 #787533 #337852

square

#333678 #783358 #787533 #337852

split-complementary

#333678 #785233 #587833

monochromatic

#0E0F22 #21234D #333678 #4549A3 #676BBE

Accessibility & contrast

On white

10.83

#333678 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#333678 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333678

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333678	#FFFFFF	#000000	##FFFFFF
##333678	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11407A

Deuteranopia (green-blind)

#043A77

Tritanopia (blue-blind)

#104551

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #333678;
/* rgb */ color: rgb(51, 54, 120);
/* oklch */ color: oklch(36.8% 0.111 277.5);

Tailwind

colors: {
  custom: {
    50: '#716d9f',
    500: '#333678',
    950: '#000000',
  },
}

SCSS

$custom: #333678;
$custom-light: #716d9f;
$custom-dark: #000000;

JSON

{
  "hex": "#333678",
  "rgb": {
    "r": 51,
    "g": 54,
    "b": 120
  },
  "hsl": {
    "h": 237.391,
    "s": 40.351,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36849,
    "c": 0.11053,
    "h": 277.5
  },
  "luminance": 0.04698
}

Semantic roles & 50–950 ramp

primary

#333678

secondary

#A6A360

accent

#CB58D0

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #333678

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

Preview Lab → · Contrast checker → · Palette generator →