#3524A8#3524A8

#3524A8 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.5% C 0.196 H 277.7°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#3524A8
RGB	rgb(53, 36, 168)
HSL	hsl(248, 65%, 40%)
HSV	hsv(248, 79%, 66%)
CMYK	cmyk(68.5%, 78.6%, 0%, 34.1%)
CIE-LAB	lab(26.29, 47.00, -67.27)
CIE-LCH	lch(26.29, 82.06, 304.94°)
OKLab	oklab(38.53% 0.0263 -0.1943)
OKLCH	oklch(38.53% 0.196 277.7)
XYZ	xyz(9.1647, 4.8450, 37.4904)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3524A8 #97A824

analogous

#2455A8 #3524A8 #7724A8

triadic

#3524A8 #A83524 #24A835

tetradic

#3524A8 #A82455 #97A824 #24A877

square

#3524A8 #A82455 #97A824 #24A877

split-complementary

#3524A8 #A87724 #55A824

monochromatic

#150E43 #251976 #3524A8 #4A35D4 #7768DF

Accessibility & contrast

On white

10.66

#3524A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#3524A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3524A8

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3524A8	#FFFFFF	#000000	##FFFFFF
##3524A8	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AC

Deuteranopia (green-blind)

#0039A6

Tritanopia (blue-blind)

#004C65

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3524a8;
/* rgb */ color: rgb(53, 36, 168);
/* oklch */ color: oklch(38.5% 0.196 277.7);

Tailwind

colors: {
  custom: {
    50: '#7d62c3',
    500: '#3524a8',
    950: '#000000',
  },
}

SCSS

$custom: #3524a8;
$custom-light: #7d62c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3524a8",
  "rgb": {
    "r": 53,
    "g": 36,
    "b": 168
  },
  "hsl": {
    "h": 247.727,
    "s": 64.706,
    "l": 40
  },
  "oklch": {
    "l": 0.38531,
    "c": 0.19612,
    "h": 277.7
  },
  "luminance": 0.04846
}

Semantic roles & 50–950 ramp

primary

#3524A8

secondary

#B8C463

accent

#E840D2

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #3524A8

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

Preview Lab → · Contrast checker → · Palette generator →