#3533B1#3533B1

#3533B1 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.5% C 0.192 H 274.8°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#3533B1
RGB	rgb(53, 51, 177)
HSL	hsl(241, 55%, 45%)
HSV	hsv(241, 71%, 69%)
CMYK	cmyk(70.1%, 71.2%, 0%, 30.6%)
CIE-LAB	lab(30.15, 41.63, -66.30)
CIE-LCH	lch(30.15, 78.28, 302.13°)
OKLab	oklab(41.54% 0.016 -0.1916)
OKLCH	oklch(41.54% 0.192 274.8)
XYZ	xyz(10.5852, 6.2979, 42.2442)
Luminance	0.0630 (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

#3533B1 #AFB133

analogous

#3370B1 #3533B1 #7433B1

triadic

#3533B1 #B13533 #33B135

tetradic

#3533B1 #B13370 #AFB133 #33B174

square

#3533B1 #B13370 #AFB133 #33B174

split-complementary

#3533B1 #B17433 #70B133

monochromatic

#191852 #272581 #3533B1 #5654CE #8583DB

Accessibility & contrast

On white

9.29

#3533B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3533B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3533B1

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3533B1	#FFFFFF	#000000	##FFFFFF
##3533B1	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB5

Deuteranopia (green-blind)

#0041AF

Tritanopia (blue-blind)

#00566E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3533b1;
/* rgb */ color: rgb(53, 51, 177);
/* oklch */ color: oklch(41.5% 0.192 274.8);

Tailwind

colors: {
  custom: {
    50: '#7e6cc9',
    500: '#3533b1',
    950: '#000000',
  },
}

SCSS

$custom: #3533b1;
$custom-light: #7e6cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3533b1",
  "rgb": {
    "r": 53,
    "g": 51,
    "b": 177
  },
  "hsl": {
    "h": 240.952,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41543,
    "c": 0.1923,
    "h": 274.8
  },
  "luminance": 0.06299
}

Semantic roles & 50–950 ramp

primary

#3533B1

secondary

#C4C57B

accent

#DF49DC

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3533B1

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

Preview Lab → · Contrast checker → · Palette generator →