#333B87#333B87

#333B87 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.1% C 0.126 H 274.5°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#333B87
RGB	rgb(51, 59, 135)
HSL	hsl(234, 45%, 36%)
HSV	hsv(234, 62%, 53%)
CMYK	cmyk(62.2%, 56.3%, 0%, 47.1%)
CIE-LAB	lab(28.33, 21.47, -43.73)
CIE-LCH	lch(28.33, 48.71, 296.16°)
OKLab	oklab(39.05% 0.0098 -0.1254)
OKLCH	oklch(39.05% 0.126 274.5)
XYZ	xyz(7.3009, 5.5804, 23.6094)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333B87 #877F33

analogous

#336587 #333B87 #553387

triadic

#333B87 #87333B #3B8733

tetradic

#333B87 #873365 #877F33 #338755

square

#333B87 #873365 #877F33 #338755

split-complementary

#333B87 #875533 #658733

monochromatic

#11142E #22285B #333B87 #444EB3 #6D75C8

Accessibility & contrast

On white

9.92

#333B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#333B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333B87

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333B87	#FFFFFF	#000000	##FFFFFF
##333B87	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05478A

Deuteranopia (green-blind)

#003F85

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #333b87;
/* rgb */ color: rgb(51, 59, 135);
/* oklch */ color: oklch(39.1% 0.126 274.5);

Tailwind

colors: {
  custom: {
    50: '#7470ab',
    500: '#333b87',
    950: '#000000',
  },
}

SCSS

$custom: #333b87;
$custom-light: #7470ab;
$custom-dark: #000000;

JSON

{
  "hex": "#333b87",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 135
  },
  "hsl": {
    "h": 234.286,
    "s": 45.161,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39052,
    "c": 0.12582,
    "h": 274.5
  },
  "luminance": 0.05581
}

Semantic roles & 50–950 ramp

primary

#333B87

secondary

#B0A966

accent

#C853D5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #333B87

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

Preview Lab → · Contrast checker → · Palette generator →