#3533B7#3533B7

#3533B7 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 42.1% C 0.200 H 274.3°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#3533B7
RGB	rgb(53, 51, 183)
HSL	hsl(241, 56%, 46%)
HSV	hsv(241, 72%, 72%)
CMYK	cmyk(71%, 72.1%, 0%, 28.2%)
CIE-LAB	lab(30.74, 43.63, -68.90)
CIE-LCH	lch(30.74, 81.55, 302.35°)
OKLab	oklab(42.14% 0.015 -0.1992)
OKLCH	oklch(42.14% 0.2 274.3)
XYZ	xyz(11.1964, 6.5424, 45.4633)
Luminance	0.0654 (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

#3533B7 #B5B733

analogous

#3373B7 #3533B7 #7733B7

triadic

#3533B7 #B73533 #33B735

tetradic

#3533B7 #B73373 #B5B733 #33B777

square

#3533B7 #B73373 #B5B733 #33B777

split-complementary

#3533B7 #B77733 #73B733

monochromatic

#191857 #272687 #3533B7 #5957D0 #8887DE

Accessibility & contrast

On white

9.10

#3533B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3533B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3533B7

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3533B7	#FFFFFF	#000000	##FFFFFF
##3533B7	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBB

Deuteranopia (green-blind)

#0042B5

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3533b7;
/* rgb */ color: rgb(53, 51, 183);
/* oklch */ color: oklch(42.1% 0.200 274.3);

Tailwind

colors: {
  custom: {
    50: '#7f6cce',
    500: '#3533b7',
    950: '#000000',
  },
}

SCSS

$custom: #3533b7;
$custom-light: #7f6cce;
$custom-dark: #000000;

JSON

{
  "hex": "#3533b7",
  "rgb": {
    "r": 53,
    "g": 51,
    "b": 183
  },
  "hsl": {
    "h": 240.909,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42142,
    "c": 0.19977,
    "h": 274.3
  },
  "luminance": 0.06543
}

Semantic roles & 50–950 ramp

primary

#3533B7

secondary

#C6C77F

accent

#E048DD

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3533B7

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

Preview Lab → · Contrast checker → · Palette generator →