#3533AA#3533AA

#3533AA is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.9% C 0.183 H 275.3°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#3533AA
RGB	rgb(53, 51, 170)
HSL	hsl(241, 54%, 43%)
HSV	hsv(241, 70%, 67%)
CMYK	cmyk(68.8%, 70%, 0%, 33.3%)
CIE-LAB	lab(29.48, 39.27, -63.22)
CIE-LCH	lch(29.48, 74.42, 301.85°)
OKLab	oklab(40.86% 0.017 -0.1826)
OKLCH	oklch(40.86% 0.183 275.3)
XYZ	xyz(9.9053, 6.0259, 38.6635)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.99

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3533AA #A8AA33

analogous

#336CAA #3533AA #7033AA

triadic

#3533AA #AA3533 #33AA35

tetradic

#3533AA #AA336C #A8AA33 #33AA70

square

#3533AA #AA336C #A8AA33 #33AA70

split-complementary

#3533AA #AA7033 #6CAA33

monochromatic

#18174C #26257B #3533AA #5250CA #807FD9

Accessibility & contrast

On white

9.52

#3533AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#3533AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3533AA

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3533AA	#FFFFFF	#000000	##FFFFFF
##3533AA	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAE

Deuteranopia (green-blind)

#0040A8

Tritanopia (blue-blind)

#00536A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3533aa;
/* rgb */ color: rgb(53, 51, 170);
/* oklch */ color: oklch(40.9% 0.183 275.3);

Tailwind

colors: {
  custom: {
    50: '#7c6cc4',
    500: '#3533aa',
    950: '#000000',
  },
}

SCSS

$custom: #3533aa;
$custom-light: #7c6cc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3533aa",
  "rgb": {
    "r": 53,
    "g": 51,
    "b": 170
  },
  "hsl": {
    "h": 241.008,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40855,
    "c": 0.18342,
    "h": 275.3
  },
  "luminance": 0.06027
}

Semantic roles & 50–950 ramp

primary

#3533AA

secondary

#C0C277

accent

#DD4BDB

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3533AA

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

Preview Lab → · Contrast checker → · Palette generator →