#3525B4#3525B4

#3525B4 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.0% C 0.209 H 276.2°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#3525B4
RGB	rgb(53, 37, 180)
HSL	hsl(247, 66%, 43%)
HSV	hsv(247, 79%, 71%)
CMYK	cmyk(70.6%, 79.4%, 0%, 29.4%)
CIE-LAB	lab(27.78, 50.19, -72.01)
CIE-LCH	lch(27.78, 87.78, 304.88°)
OKLab	oklab(39.96% 0.0227 -0.2081)
OKLCH	oklch(39.96% 0.209 276.2)
XYZ	xyz(10.3653, 5.3743, 43.6623)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3525B4 #A4B425

analogous

#255DB4 #3525B4 #7C25B4

triadic

#3525B4 #B43525 #25B435

tetradic

#3525B4 #B4255D #A4B425 #25B47C

square

#3525B4 #B4255D #A4B425 #25B47C

split-complementary

#3525B4 #B47C25 #5DB425

monochromatic

#17104E #261B81 #3525B4 #503FD7 #7E71E2

Accessibility & contrast

On white

10.12

#3525B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3525B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3525B4

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3525B4	#FFFFFF	#000000	##FFFFFF
##3525B4	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B8

Deuteranopia (green-blind)

#003BB2

Tritanopia (blue-blind)

#00516D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3525b4;
/* rgb */ color: rgb(53, 37, 180);
/* oklch */ color: oklch(40.0% 0.209 276.2);

Tailwind

colors: {
  custom: {
    50: '#8064cc',
    500: '#3525b4',
    950: '#000000',
  },
}

SCSS

$custom: #3525b4;
$custom-light: #8064cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3525b4",
  "rgb": {
    "r": 53,
    "g": 37,
    "b": 180
  },
  "hsl": {
    "h": 246.713,
    "s": 65.899,
    "l": 42.549
  },
  "oklch": {
    "l": 0.39956,
    "c": 0.20938,
    "h": 276.2
  },
  "luminance": 0.05375
}

Semantic roles & 50–950 ramp

primary

#3525B4

secondary

#BEC96C

accent

#E93FD6

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3525B4

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

Preview Lab → · Contrast checker → · Palette generator →