#3539B2#3539B2

#3539B2 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.6% C 0.187 H 273.7°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#3539B2
RGB	rgb(53, 57, 178)
HSL	hsl(238, 54%, 45%)
HSV	hsv(238, 70%, 70%)
CMYK	cmyk(70.2%, 68%, 0%, 30.2%)
CIE-LAB	lab(31.57, 38.36, -64.56)
CIE-LCH	lch(31.57, 75.10, 300.71°)
OKLab	oklab(42.59% 0.0121 -0.1866)
OKLCH	oklch(42.59% 0.187 273.7)
XYZ	xyz(10.9645, 6.8964, 42.8642)
Luminance	0.0690 (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

#3539B2 #B2AE35

analogous

#3577B2 #3539B2 #6F35B2

triadic

#3539B2 #B23539 #39B235

tetradic

#3539B2 #B23577 #B2AE35 #35B26F

square

#3539B2 #B23577 #B2AE35 #35B26F

split-complementary

#3539B2 #B26F35 #77B235

monochromatic

#191B54 #272A83 #3539B2 #575BCD #8689DB

Accessibility & contrast

On white

8.83

#3539B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3539B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3539B2

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3539B2	#FFFFFF	#000000	##FFFFFF
##3539B2	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B6

Deuteranopia (green-blind)

#0044B0

Tritanopia (blue-blind)

#005971

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3539b2;
/* rgb */ color: rgb(53, 57, 178);
/* oklch */ color: oklch(42.6% 0.187 273.7);

Tailwind

colors: {
  custom: {
    50: '#7e70ca',
    500: '#3539b2',
    950: '#000000',
  },
}

SCSS

$custom: #3539b2;
$custom-light: #7e70ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3539b2",
  "rgb": {
    "r": 53,
    "g": 57,
    "b": 178
  },
  "hsl": {
    "h": 238.08,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.42593,
    "c": 0.18695,
    "h": 273.7
  },
  "luminance": 0.06897
}

Semantic roles & 50–950 ramp

primary

#3539B2

secondary

#C5C37E

accent

#D94ADD

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3539B2

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

Preview Lab → · Contrast checker → · Palette generator →