#3539BD#3539BD

#3539BD is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.7% C 0.201 H 273.1°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#3539BD
RGB	rgb(53, 57, 189)
HSL	hsl(238, 56%, 47%)
HSV	hsv(238, 72%, 74%)
CMYK	cmyk(72%, 69.8%, 0%, 25.9%)
CIE-LAB	lab(32.60, 42.12, -69.38)
CIE-LCH	lch(32.60, 81.16, 301.26°)
OKLab	oklab(43.65% 0.0107 -0.2006)
OKLCH	oklch(43.65% 0.201 273.1)
XYZ	xyz(12.1136, 7.3561, 48.9157)
Luminance	0.0736 (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

#3539BD #BDB935

analogous

#357DBD #3539BD #7535BD

triadic

#3539BD #BD3539 #39BD35

tetradic

#3539BD #BD357D #BDB935 #35BD75

square

#3539BD #BD357D #BDB935 #35BD75

split-complementary

#3539BD #BD7535 #7DBD35

monochromatic

#1A1C5D #282B8D #3539BD #5D61D2 #8D90DF

Accessibility & contrast

On white

8.50

#3539BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3539BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3539BD

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3539BD	#FFFFFF	#000000	##FFFFFF
##3539BD	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C1

Deuteranopia (green-blind)

#0046BB

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3539bd;
/* rgb */ color: rgb(53, 57, 189);
/* oklch */ color: oklch(43.7% 0.201 273.1);

Tailwind

colors: {
  custom: {
    50: '#8070d2',
    500: '#3539bd',
    950: '#000000',
  },
}

SCSS

$custom: #3539bd;
$custom-light: #8070d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3539bd",
  "rgb": {
    "r": 53,
    "g": 57,
    "b": 189
  },
  "hsl": {
    "h": 238.235,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.43654,
    "c": 0.20092,
    "h": 273.1
  },
  "luminance": 0.07357
}

Semantic roles & 50–950 ramp

primary

#3539BD

secondary

#CAC884

accent

#DB48DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3539BD

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

Preview Lab → · Contrast checker → · Palette generator →