#3523BB#3523BB

#3523BB is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.5% C 0.219 H 275.7°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#3523BB
RGB	rgb(53, 35, 187)
HSL	hsl(247, 68%, 44%)
HSV	hsv(247, 81%, 73%)
CMYK	cmyk(71.7%, 81.3%, 0%, 26.7%)
CIE-LAB	lab(28.24, 53.25, -75.41)
CIE-LCH	lch(28.24, 92.32, 305.23°)
OKLab	oklab(40.51% 0.0216 -0.218)
OKLCH	oklch(40.51% 0.219 275.7)
XYZ	xyz(11.0359, 5.5457, 47.4929)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3523BB #A9BB23

analogous

#235DBB #3523BB #8123BB

triadic

#3523BB #BB3523 #23BB35

tetradic

#3523BB #BB235D #A9BB23 #23BB81

square

#3523BB #BB235D #A9BB23 #23BB81

split-complementary

#3523BB #BB8123 #5DBB23

monochromatic

#181054 #261987 #3523BB #5240DB #8174E5

Accessibility & contrast

On white

9.96

#3523BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#3523BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3523BB

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3523BB	#FFFFFF	#000000	##FFFFFF
##3523BB	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049BF

Deuteranopia (green-blind)

#003CB8

Tritanopia (blue-blind)

#005370

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3523bb;
/* rgb */ color: rgb(53, 35, 187);
/* oklch */ color: oklch(40.5% 0.219 275.7);

Tailwind

colors: {
  custom: {
    50: '#8263d1',
    500: '#3523bb',
    950: '#000000',
  },
}

SCSS

$custom: #3523bb;
$custom-light: #8263d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3523bb",
  "rgb": {
    "r": 53,
    "g": 35,
    "b": 187
  },
  "hsl": {
    "h": 247.105,
    "s": 68.468,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40506,
    "c": 0.21906,
    "h": 275.7
  },
  "luminance": 0.05547
}

Semantic roles & 50–950 ramp

primary

#3523BB

secondary

#C1CC6E

accent

#EB3CD7

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #3523BB

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

Preview Lab → · Contrast checker → · Palette generator →