#3539AF#3539AF

#3539AF is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.3% C 0.183 H 273.9°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#3539AF
RGB	rgb(53, 57, 175)
HSL	hsl(238, 54%, 45%)
HSV	hsv(238, 70%, 69%)
CMYK	cmyk(69.7%, 67.4%, 0%, 31.4%)
CIE-LAB	lab(31.29, 37.32, -63.23)
CIE-LCH	lch(31.29, 73.42, 300.55°)
OKLab	oklab(42.31% 0.0124 -0.1827)
OKLCH	oklch(42.31% 0.183 273.9)
XYZ	xyz(10.6666, 6.7773, 41.2951)
Luminance	0.0678 (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

#3539AF #AFAB35

analogous

#3576AF #3539AF #6E35AF

triadic

#3539AF #AF3539 #39AF35

tetradic

#3539AF #AF3576 #AFAB35 #35AF6E

square

#3539AF #AF3576 #AFAB35 #35AF6E

split-complementary

#3539AF #AF6E35 #76AF35

monochromatic

#191A51 #272A80 #3539AF #5659CC #8587DA

Accessibility & contrast

On white

8.91

#3539AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3539AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3539AF

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3539AF	#FFFFFF	#000000	##FFFFFF
##3539AF	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB3

Deuteranopia (green-blind)

#0044AD

Tritanopia (blue-blind)

#00586F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3539af;
/* rgb */ color: rgb(53, 57, 175);
/* oklch */ color: oklch(42.3% 0.183 273.9);

Tailwind

colors: {
  custom: {
    50: '#7d70c8',
    500: '#3539af',
    950: '#000000',
  },
}

SCSS

$custom: #3539af;
$custom-light: #7d70c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3539af",
  "rgb": {
    "r": 53,
    "g": 57,
    "b": 175
  },
  "hsl": {
    "h": 238.033,
    "s": 53.509,
    "l": 44.706
  },
  "oklch": {
    "l": 0.42309,
    "c": 0.18308,
    "h": 273.9
  },
  "luminance": 0.06778
}

Semantic roles & 50–950 ramp

primary

#3539AF

secondary

#C4C17C

accent

#D84BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3539AF

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

Preview Lab → · Contrast checker → · Palette generator →