#3539D0#3539D0

#3539D0 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.5% C 0.224 H 272.0°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#3539D0
RGB	rgb(53, 57, 208)
HSL	hsl(238, 62%, 51%)
HSV	hsv(238, 75%, 82%)
CMYK	cmyk(74.5%, 72.6%, 0%, 18.4%)
CIE-LAB	lab(34.47, 48.47, -77.41)
CIE-LCH	lch(34.47, 91.33, 302.05°)
OKLab	oklab(45.55% 0.0079 -0.224)
OKLCH	oklch(45.55% 0.224 272)
XYZ	xyz(14.3127, 8.2357, 60.4976)
Luminance	0.0824 (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

#3539D0 #D0CC35

analogous

#3586D0 #3539D0 #7E35D0

triadic

#3539D0 #D03539 #39D035

tetradic

#3539D0 #D03586 #D0CC35 #35D07E

square

#3539D0 #D03586 #D0CC35 #35D07E

split-complementary

#3539D0 #D07E35 #86D035

monochromatic

#1A1C70 #2629A2 #3539D0 #676ADC #989AE7

Accessibility & contrast

On white

7.93

#3539D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3539D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3539D0

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3539D0	#FFFFFF	#000000	##FFFFFF
##3539D0	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D4

Deuteranopia (green-blind)

#0049CD

Tritanopia (blue-blind)

#006481

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3539d0;
/* rgb */ color: rgb(53, 57, 208);
/* oklch */ color: oklch(45.5% 0.224 272.0);

Tailwind

colors: {
  custom: {
    50: '#8471e0',
    500: '#3539d0',
    950: '#000000',
  },
}

SCSS

$custom: #3539d0;
$custom-light: #8471e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3539d0",
  "rgb": {
    "r": 53,
    "g": 57,
    "b": 208
  },
  "hsl": {
    "h": 238.452,
    "s": 62.249,
    "l": 51.176
  },
  "oklch": {
    "l": 0.45549,
    "c": 0.22418,
    "h": 272
  },
  "luminance": 0.08237
}

Semantic roles & 50–950 ramp

primary

#3539D0

secondary

#D3D18E

accent

#E142E5

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3539D0

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

Preview Lab → · Contrast checker → · Palette generator →