#3539BF#3539BF

#3539BF is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.9% C 0.203 H 272.9°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#3539BF
RGB	rgb(53, 57, 191)
HSL	hsl(238, 57%, 48%)
HSV	hsv(238, 72%, 75%)
CMYK	cmyk(72.3%, 70.2%, 0%, 25.1%)
CIE-LAB	lab(32.80, 42.80, -70.24)
CIE-LCH	lch(32.80, 82.25, 301.36°)
OKLab	oklab(43.85% 0.0104 -0.2031)
OKLCH	oklch(43.85% 0.203 272.9)
XYZ	xyz(12.3321, 7.4435, 50.0669)
Luminance	0.0745 (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

#3539BF #BFBB35

analogous

#357EBF #3539BF #7635BF

triadic

#3539BF #BF3539 #39BF35

tetradic

#3539BF #BF357E #BFBB35 #35BF76

square

#3539BF #BF357E #BFBB35 #35BF76

split-complementary

#3539BF #BF7635 #7EBF35

monochromatic

#1A1C5F #282B8F #3539BF #5F62D3 #8F91E0

Accessibility & contrast

On white

8.44

#3539BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3539BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3539BF

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3539BF	#FFFFFF	#000000	##FFFFFF
##3539BF	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C3

Deuteranopia (green-blind)

#0047BD

Tritanopia (blue-blind)

#005E78

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3539bf;
/* rgb */ color: rgb(53, 57, 191);
/* oklch */ color: oklch(43.9% 0.203 272.9);

Tailwind

colors: {
  custom: {
    50: '#8170d4',
    500: '#3539bf',
    950: '#000000',
  },
}

SCSS

$custom: #3539bf;
$custom-light: #8170d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3539bf",
  "rgb": {
    "r": 53,
    "g": 57,
    "b": 191
  },
  "hsl": {
    "h": 238.261,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.4385,
    "c": 0.20342,
    "h": 272.9
  },
  "luminance": 0.07445
}

Semantic roles & 50–950 ramp

primary

#3539BF

secondary

#CAC885

accent

#DB48E0

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3539BF

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

Preview Lab → · Contrast checker → · Palette generator →