#3531C9#3531C9

#3531C9 is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.7% C 0.223 H 273.3°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#3531C9
RGB	rgb(53, 49, 201)
HSL	hsl(242, 61%, 49%)
HSV	hsv(242, 76%, 79%)
CMYK	cmyk(73.6%, 75.6%, 0%, 21.2%)
CIE-LAB	lab(32.19, 50.60, -77.10)
CIE-LCH	lch(32.19, 92.22, 303.28°)
OKLab	oklab(43.72% 0.0127 -0.2231)
OKLCH	oklch(43.72% 0.223 273.3)
XYZ	xyz(13.1056, 7.1692, 55.9401)
Luminance	0.0717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.07

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3531C9 #C5C931

analogous

#3179C9 #3531C9 #8131C9

triadic

#3531C9 #C93531 #31C935

tetradic

#3531C9 #C93179 #C5C931 #31C981

square

#3531C9 #C93179 #C5C931 #31C981

split-complementary

#3531C9 #C98131 #79C931

monochromatic

#1B1967 #282598 #3531C9 #625FD8 #9390E4

Accessibility & contrast

On white

8.63

#3531C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3531C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3531C9

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3531C9	#FFFFFF	#000000	##FFFFFF
##3531C9	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053CD

Deuteranopia (green-blind)

#0044C6

Tritanopia (blue-blind)

#005E7B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3531c9;
/* rgb */ color: rgb(53, 49, 201);
/* oklch */ color: oklch(43.7% 0.223 273.3);

Tailwind

colors: {
  custom: {
    50: '#846cdb',
    500: '#3531c9',
    950: '#000000',
  },
}

SCSS

$custom: #3531c9;
$custom-light: #846cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3531c9",
  "rgb": {
    "r": 53,
    "g": 49,
    "b": 201
  },
  "hsl": {
    "h": 241.579,
    "s": 60.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.43718,
    "c": 0.22344,
    "h": 273.3
  },
  "luminance": 0.07171
}

Semantic roles & 50–950 ramp

primary

#3531C9

secondary

#CDCF87

accent

#E444E0

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3531C9

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

Preview Lab → · Contrast checker → · Palette generator →