#333387#333387

#333387 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.5% C 0.137 H 277.5°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#333387
RGB	rgb(51, 51, 135)
HSL	hsl(240, 45%, 36%)
HSV	hsv(240, 62%, 53%)
CMYK	cmyk(62.2%, 62.2%, 0%, 47.1%)
CIE-LAB	lab(26.22, 26.82, -47.15)
CIE-LCH	lch(26.22, 54.25, 299.63°)
OKLab	oklab(37.48% 0.0179 -0.1356)
OKLCH	oklch(37.48% 0.137 277.5)
XYZ	xyz(6.9208, 4.8202, 23.4827)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333387 #878733

analogous

#335D87 #333387 #5D3387

triadic

#333387 #873333 #338733

tetradic

#333387 #87335D #878733 #33875D

square

#333387 #87335D #878733 #33875D

split-complementary

#333387 #875D33 #5D8733

monochromatic

#11112E #22225B #333387 #4444B3 #6D6DC8

Accessibility & contrast

On white

10.69

#333387 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#333387 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333387

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333387	#FFFFFF	#000000	##FFFFFF
##333387	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428A

Deuteranopia (green-blind)

#003B85

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #333387;
/* rgb */ color: rgb(51, 51, 135);
/* oklch */ color: oklch(37.5% 0.137 277.5);

Tailwind

colors: {
  custom: {
    50: '#746bab',
    500: '#333387',
    950: '#000000',
  },
}

SCSS

$custom: #333387;
$custom-light: #746bab;
$custom-dark: #000000;

JSON

{
  "hex": "#333387",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 135
  },
  "hsl": {
    "h": 240,
    "s": 45.161,
    "l": 36.471
  },
  "oklch": {
    "l": 0.37484,
    "c": 0.13677,
    "h": 277.5
  },
  "luminance": 0.04821
}

Semantic roles & 50–950 ramp

primary

#333387

secondary

#B0B066

accent

#D553D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #333387

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

Preview Lab → · Contrast checker → · Palette generator →