#3531AC#3531AC

#3531AC is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.7% C 0.188 H 275.5°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#3531AC
RGB	rgb(53, 49, 172)
HSL	hsl(242, 56%, 43%)
HSV	hsv(242, 72%, 67%)
CMYK	cmyk(69.2%, 71.5%, 0%, 32.5%)
CIE-LAB	lab(29.24, 41.13, -64.81)
CIE-LCH	lch(29.24, 76.76, 302.40°)
OKLab	oklab(40.74% 0.018 -0.1873)
OKLCH	oklch(40.74% 0.188 275.5)
XYZ	xyz(10.0105, 5.9311, 39.6390)
Luminance	0.0593 (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

#3531AC #A8AC31

analogous

#316AAC #3531AC #7231AC

triadic

#3531AC #AC3531 #31AC35

tetradic

#3531AC #AC316A #A8AC31 #31AC72

square

#3531AC #AC316A #A8AC31 #31AC72

split-complementary

#3531AC #AC7231 #6AAC31

monochromatic

#18164D #26237C #3531AC #524ECC #807DDA

Accessibility & contrast

On white

9.60

#3531AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#3531AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3531AC

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3531AC	#FFFFFF	#000000	##FFFFFF
##3531AC	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB0

Deuteranopia (green-blind)

#003FAA

Tritanopia (blue-blind)

#00536B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3531ac;
/* rgb */ color: rgb(53, 49, 172);
/* oklch */ color: oklch(40.7% 0.188 275.5);

Tailwind

colors: {
  custom: {
    50: '#7d6ac6',
    500: '#3531ac',
    950: '#000000',
  },
}

SCSS

$custom: #3531ac;
$custom-light: #7d6ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#3531ac",
  "rgb": {
    "r": 53,
    "g": 49,
    "b": 172
  },
  "hsl": {
    "h": 241.951,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40741,
    "c": 0.18815,
    "h": 275.5
  },
  "luminance": 0.05932
}

Semantic roles & 50–950 ramp

primary

#3531AC

secondary

#C0C376

accent

#DF49DA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3531AC

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

Preview Lab → · Contrast checker → · Palette generator →