#333C90#333C90

#333C90 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.138 H 273.8°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#333C90
RGB	rgb(51, 60, 144)
HSL	hsl(234, 48%, 38%)
HSV	hsv(234, 65%, 56%)
CMYK	cmyk(64.6%, 58.3%, 0%, 43.5%)
CIE-LAB	lab(29.28, 24.06, -47.74)
CIE-LCH	lch(29.28, 53.46, 296.75°)
OKLab	oklab(39.98% 0.0091 -0.1372)
OKLCH	oklch(39.98% 0.138 273.8)
XYZ	xyz(8.0135, 5.9485, 27.1060)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333C90 #908733

analogous

#336A90 #333C90 #593390

triadic

#333C90 #90333C #3C9033

tetradic

#333C90 #90336A #908733 #339059

square

#333C90 #90336A #908733 #339059

split-complementary

#333C90 #905933 #6A9033

monochromatic

#131636 #232963 #333C90 #444FBD #717ACD

Accessibility & contrast

On white

9.59

#333C90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#333C90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333C90

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333C90	#FFFFFF	#000000	##FFFFFF
##333C90	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004993

Deuteranopia (green-blind)

#00418E

Tritanopia (blue-blind)

#005060

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #333c90;
/* rgb */ color: rgb(51, 60, 144);
/* oklch */ color: oklch(40.0% 0.138 273.8);

Tailwind

colors: {
  custom: {
    50: '#7571b1',
    500: '#333c90',
    950: '#000000',
  },
}

SCSS

$custom: #333c90;
$custom-light: #7571b1;
$custom-dark: #000000;

JSON

{
  "hex": "#333c90",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 144
  },
  "hsl": {
    "h": 234.194,
    "s": 47.692,
    "l": 38.235
  },
  "oklch": {
    "l": 0.39981,
    "c": 0.13755,
    "h": 273.8
  },
  "luminance": 0.05949
}

Semantic roles & 50–950 ramp

primary

#333C90

secondary

#B5AD6A

accent

#CA51D7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #333C90

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

Preview Lab → · Contrast checker → · Palette generator →