#3524B0#3524B0

#3524B0 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.4% C 0.206 H 276.7°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#3524B0
RGB	rgb(53, 36, 176)
HSL	hsl(247, 66%, 42%)
HSV	hsv(247, 80%, 69%)
CMYK	cmyk(69.9%, 79.5%, 0%, 31%)
CIE-LAB	lab(27.16, 49.46, -70.63)
CIE-LCH	lch(27.16, 86.23, 305.00°)
OKLab	oklab(39.4% 0.0242 -0.2041)
OKLCH	oklch(39.4% 0.206 276.7)
XYZ	xyz(9.9330, 5.1523, 41.5369)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3524B0 #9FB024

analogous

#2459B0 #3524B0 #7B24B0

triadic

#3524B0 #B03524 #24B035

tetradic

#3524B0 #B02459 #9FB024 #24B07B

square

#3524B0 #B02459 #9FB024 #24B07B

split-complementary

#3524B0 #B07B24 #59B024

monochromatic

#160F4A #261A7D #3524B0 #4D3AD7 #7B6DE1

Accessibility & contrast

On white

10.34

#3524B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#3524B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3524B0

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3524B0	#FFFFFF	#000000	##FFFFFF
##3524B0	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B4

Deuteranopia (green-blind)

#003AAE

Tritanopia (blue-blind)

#004F6A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3524b0;
/* rgb */ color: rgb(53, 36, 176);
/* oklch */ color: oklch(39.4% 0.206 276.7);

Tailwind

colors: {
  custom: {
    50: '#7f63c9',
    500: '#3524b0',
    950: '#000000',
  },
}

SCSS

$custom: #3524b0;
$custom-light: #7f63c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3524b0",
  "rgb": {
    "r": 53,
    "g": 36,
    "b": 176
  },
  "hsl": {
    "h": 247.286,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39401,
    "c": 0.20555,
    "h": 276.7
  },
  "luminance": 0.05153
}

Semantic roles & 50–950 ramp

primary

#3524B0

secondary

#BCC868

accent

#E93FD4

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3524B0

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

Preview Lab → · Contrast checker → · Palette generator →