#3533B3#3533B3

#3533B3 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.7% C 0.195 H 274.6°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#3533B3
RGB	rgb(53, 51, 179)
HSL	hsl(241, 56%, 45%)
HSV	hsv(241, 72%, 70%)
CMYK	cmyk(70.4%, 71.5%, 0%, 29.8%)
CIE-LAB	lab(30.35, 42.30, -67.17)
CIE-LCH	lch(30.35, 79.38, 302.20°)
OKLab	oklab(41.74% 0.0157 -0.1942)
OKLCH	oklch(41.74% 0.195 274.6)
XYZ	xyz(10.7860, 6.3782, 43.3018)
Luminance	0.0638 (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

#3533B3 #B1B333

analogous

#3371B3 #3533B3 #7533B3

triadic

#3533B3 #B33533 #33B335

tetradic

#3533B3 #B33371 #B1B333 #33B375

square

#3533B3 #B33371 #B1B333 #33B375

split-complementary

#3533B3 #B37533 #71B333

monochromatic

#191854 #272583 #3533B3 #5755CE #8684DC

Accessibility & contrast

On white

9.23

#3533B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#3533B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3533B3

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3533B3	#FFFFFF	#000000	##FFFFFF
##3533B3	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB7

Deuteranopia (green-blind)

#0041B1

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3533b3;
/* rgb */ color: rgb(53, 51, 179);
/* oklch */ color: oklch(41.7% 0.195 274.6);

Tailwind

colors: {
  custom: {
    50: '#7e6ccb',
    500: '#3533b3',
    950: '#000000',
  },
}

SCSS

$custom: #3533b3;
$custom-light: #7e6ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#3533b3",
  "rgb": {
    "r": 53,
    "g": 51,
    "b": 179
  },
  "hsl": {
    "h": 240.938,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.41742,
    "c": 0.1948,
    "h": 274.6
  },
  "luminance": 0.06379
}

Semantic roles & 50–950 ramp

primary

#3533B3

secondary

#C4C67C

accent

#DF49DD

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3533B3

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

Preview Lab → · Contrast checker → · Palette generator →