#333379#333379

#333379 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.3% C 0.116 H 278.9°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#333379
RGB	rgb(51, 51, 121)
HSL	hsl(240, 41%, 34%)
HSV	hsv(240, 58%, 47%)
CMYK	cmyk(57.9%, 57.9%, 0%, 52.5%)
CIE-LAB	lab(25.11, 21.87, -40.15)
CIE-LCH	lch(25.11, 45.72, 298.58°)
OKLab	oklab(36.32% 0.018 -0.115)
OKLCH	oklch(36.32% 0.116 278.9)
XYZ	xyz(5.9992, 4.4515, 18.6286)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333379 #797933

analogous

#335679 #333379 #563379

triadic

#333379 #793333 #337933

tetradic

#333379 #793356 #797933 #337956

square

#333379 #793356 #797933 #337956

split-complementary

#333379 #795633 #567933

monochromatic

#0F0F23 #21214E #333379 #4545A4 #6767BF

Accessibility & contrast

On white

11.11

#333379 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#333379 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333379

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333379	#FFFFFF	#000000	##FFFFFF
##333379	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023E7B

Deuteranopia (green-blind)

#003978

Tritanopia (blue-blind)

#0F4350

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #333379;
/* rgb */ color: rgb(51, 51, 121);
/* oklch */ color: oklch(36.3% 0.116 278.9);

Tailwind

colors: {
  custom: {
    50: '#716aa0',
    500: '#333379',
    950: '#000000',
  },
}

SCSS

$custom: #333379;
$custom-light: #716aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#333379",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 121
  },
  "hsl": {
    "h": 240,
    "s": 40.698,
    "l": 33.725
  },
  "oklch": {
    "l": 0.36317,
    "c": 0.11639,
    "h": 278.9
  },
  "luminance": 0.04452
}

Semantic roles & 50–950 ramp

primary

#333379

secondary

#A7A761

accent

#D157D1

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060F

muted

#7B7A7E

Preview Lab

Preview with #333379

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

Preview Lab → · Contrast checker → · Palette generator →