#333AAA#333AAA

#333AAA is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.9% C 0.176 H 273.2°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#333AAA
RGB	rgb(51, 58, 170)
HSL	hsl(236, 54%, 43%)
HSV	hsv(236, 70%, 67%)
CMYK	cmyk(70%, 65.9%, 0%, 33.3%)
CIE-LAB	lab(30.95, 34.69, -60.80)
CIE-LCH	lch(30.95, 70.00, 299.71°)
OKLab	oklab(41.89% 0.0099 -0.1756)
OKLCH	oklch(41.89% 0.176 273.2)
XYZ	xyz(10.1316, 6.6312, 38.7684)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333AAA #AAA333

analogous

#3375AA #333AAA #6833AA

triadic

#333AAA #AA333A #3AAA33

tetradic

#333AAA #AA3375 #AAA333 #33AA68

square

#333AAA #AA3375 #AAA333 #33AA68

split-complementary

#333AAA #AA6833 #75AA33

monochromatic

#171A4C #252A7B #333AAA #5057CA #7F84D9

Accessibility & contrast

On white

9.03

#333AAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#333AAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333AAA

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333AAA	#FFFFFF	#000000	##FFFFFF
##333AAA	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAE

Deuteranopia (green-blind)

#0043A8

Tritanopia (blue-blind)

#00576D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #333aaa;
/* rgb */ color: rgb(51, 58, 170);
/* oklch */ color: oklch(41.9% 0.176 273.2);

Tailwind

colors: {
  custom: {
    50: '#7b70c4',
    500: '#333aaa',
    950: '#000000',
  },
}

SCSS

$custom: #333aaa;
$custom-light: #7b70c4;
$custom-dark: #000000;

JSON

{
  "hex": "#333aaa",
  "rgb": {
    "r": 51,
    "g": 58,
    "b": 170
  },
  "hsl": {
    "h": 236.471,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41889,
    "c": 0.17588,
    "h": 273.2
  },
  "luminance": 0.06632
}

Semantic roles & 50–950 ramp

primary

#333AAA

secondary

#C2BD77

accent

#D54BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #333AAA

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

Preview Lab → · Contrast checker → · Palette generator →