#333587#333587

#333587 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.9% C 0.134 H 276.8°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#333587
RGB	rgb(51, 53, 135)
HSL	hsl(239, 45%, 36%)
HSV	hsv(239, 62%, 53%)
CMYK	cmyk(62.2%, 60.7%, 0%, 47.1%)
CIE-LAB	lab(26.73, 25.50, -46.31)
CIE-LCH	lch(26.73, 52.87, 298.83°)
OKLab	oklab(37.86% 0.0159 -0.1331)
OKLCH	oklch(37.86% 0.134 276.8)
XYZ	xyz(7.0101, 4.9987, 23.5124)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333587 #878533

analogous

#335F87 #333587 #5B3387

triadic

#333587 #873335 #358733

tetradic

#333587 #87335F #878533 #33875B

square

#333587 #87335F #878533 #33875B

split-complementary

#333587 #875B33 #5F8733

monochromatic

#11122E #22245B #333587 #4446B3 #6D6FC8

Accessibility & contrast

On white

10.50

#333587 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#333587 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333587

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333587	#FFFFFF	#000000	##FFFFFF
##333587	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438A

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #333587;
/* rgb */ color: rgb(51, 53, 135);
/* oklch */ color: oklch(37.9% 0.134 276.8);

Tailwind

colors: {
  custom: {
    50: '#746cab',
    500: '#333587',
    950: '#000000',
  },
}

SCSS

$custom: #333587;
$custom-light: #746cab;
$custom-dark: #000000;

JSON

{
  "hex": "#333587",
  "rgb": {
    "r": 51,
    "g": 53,
    "b": 135
  },
  "hsl": {
    "h": 238.571,
    "s": 45.161,
    "l": 36.471
  },
  "oklch": {
    "l": 0.37864,
    "c": 0.13407,
    "h": 276.8
  },
  "luminance": 0.04999
}

Semantic roles & 50–950 ramp

primary

#333587

secondary

#B0AE66

accent

#D253D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #333587

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

Preview Lab → · Contrast checker → · Palette generator →