#333377#333377

#333377 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 36.2% C 0.113 H 279.1°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#333377
RGB	rgb(51, 51, 119)
HSL	hsl(240, 40%, 33%)
HSV	hsv(240, 57%, 47%)
CMYK	cmyk(57.1%, 57.1%, 0%, 53.3%)
CIE-LAB	lab(24.96, 21.17, -39.12)
CIE-LCH	lch(24.96, 44.48, 298.42°)
OKLab	oklab(36.16% 0.0179 -0.112)
OKLCH	oklch(36.16% 0.113 279.1)
XYZ	xyz(5.8778, 4.4030, 17.9893)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333377 #777733

analogous

#335577 #333377 #553377

triadic

#333377 #773333 #337733

tetradic

#333377 #773355 #777733 #337755

square

#333377 #773355 #777733 #337755

split-complementary

#333377 #775533 #557733

monochromatic

#0E0E21 #21214C #333377 #4545A2 #6767BE

Accessibility & contrast

On white

11.17

#333377 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#333377 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333377

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333377	#FFFFFF	#000000	##FFFFFF
##333377	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#073E79

Deuteranopia (green-blind)

#003976

Tritanopia (blue-blind)

#12434F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #333377;
/* rgb */ color: rgb(51, 51, 119);
/* oklch */ color: oklch(36.2% 0.113 279.1);

Tailwind

colors: {
  custom: {
    50: '#716a9f',
    500: '#333377',
    950: '#000000',
  },
}

SCSS

$custom: #333377;
$custom-light: #716a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#333377",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 119
  },
  "hsl": {
    "h": 240,
    "s": 40,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36157,
    "c": 0.1134,
    "h": 279.1
  },
  "luminance": 0.04403
}

Semantic roles & 50–950 ramp

primary

#333377

secondary

#A6A660

accent

#D058D0

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #333377

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

Preview Lab → · Contrast checker → · Palette generator →