#333EA0#333EA0

#333EA0 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.157 H 272.6°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#333EA0
RGB	rgb(51, 62, 160)
HSL	hsl(234, 52%, 41%)
HSV	hsv(234, 68%, 63%)
CMYK	cmyk(68.1%, 61.2%, 0%, 37.3%)
CIE-LAB	lab(31.08, 28.54, -54.57)
CIE-LCH	lch(31.08, 61.58, 297.61°)
OKLab	oklab(41.72% 0.0073 -0.1573)
OKLCH	oklch(41.72% 0.157 272.6)
XYZ	xyz(9.4309, 6.6863, 34.0445)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333EA0 #A09533

analogous

#3375A0 #333EA0 #5F33A0

triadic

#333EA0 #A0333E #3EA033

tetradic

#333EA0 #A03375 #A09533 #33A05F

square

#333EA0 #A03375 #A09533 #33A05F

split-complementary

#333EA0 #A05F33 #75A033

monochromatic

#151A43 #242C72 #333EA0 #4B57C6 #7982D4

Accessibility & contrast

On white

8.98

#333EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#333EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333EA0

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333EA0	#FFFFFF	#000000	##FFFFFF
##333EA0	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA3

Deuteranopia (green-blind)

#00449E

Tritanopia (blue-blind)

#005669

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #333ea0;
/* rgb */ color: rgb(51, 62, 160);
/* oklch */ color: oklch(41.7% 0.157 272.6);

Tailwind

colors: {
  custom: {
    50: '#7873bd',
    500: '#333ea0',
    950: '#000000',
  },
}

SCSS

$custom: #333ea0;
$custom-light: #7873bd;
$custom-dark: #000000;

JSON

{
  "hex": "#333ea0",
  "rgb": {
    "r": 51,
    "g": 62,
    "b": 160
  },
  "hsl": {
    "h": 233.945,
    "s": 51.659,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41718,
    "c": 0.15746,
    "h": 272.6
  },
  "luminance": 0.06687
}

Semantic roles & 50–950 ramp

primary

#333EA0

secondary

#BDB572

accent

#CD4DDB

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #333EA0

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

Preview Lab → · Contrast checker → · Palette generator →