#3529B3#3529B3

#3529B3 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.3% C 0.205 H 275.9°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#3529B3
RGB	rgb(53, 41, 179)
HSL	hsl(245, 63%, 43%)
HSV	hsv(245, 77%, 70%)
CMYK	cmyk(70.4%, 77.1%, 0%, 29.8%)
CIE-LAB	lab(28.37, 47.86, -70.43)
CIE-LCH	lch(28.37, 85.15, 304.20°)
OKLab	oklab(40.34% 0.0211 -0.2036)
OKLCH	oklch(40.34% 0.205 275.9)
XYZ	xyz(10.3952, 5.5965, 43.1715)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3529B3 #A7B329

analogous

#2962B3 #3529B3 #7A29B3

triadic

#3529B3 #B33529 #29B335

tetradic

#3529B3 #B32962 #A7B329 #29B37A

square

#3529B3 #B32962 #A7B329 #29B37A

split-complementary

#3529B3 #B37A29 #62B329

monochromatic

#18124F #261E81 #3529B3 #5145D4 #8077E0

Accessibility & contrast

On white

9.91

#3529B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3529B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3529B3

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3529B3	#FFFFFF	#000000	##FFFFFF
##3529B3	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B7

Deuteranopia (green-blind)

#003DB1

Tritanopia (blue-blind)

#00526D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3529b3;
/* rgb */ color: rgb(53, 41, 179);
/* oklch */ color: oklch(40.3% 0.205 275.9);

Tailwind

colors: {
  custom: {
    50: '#7f66cb',
    500: '#3529b3',
    950: '#000000',
  },
}

SCSS

$custom: #3529b3;
$custom-light: #7f66cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3529b3",
  "rgb": {
    "r": 53,
    "g": 41,
    "b": 179
  },
  "hsl": {
    "h": 245.217,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4034,
    "c": 0.20469,
    "h": 275.9
  },
  "luminance": 0.05597
}

Semantic roles & 50–950 ramp

primary

#3529B3

secondary

#C0C770

accent

#E642D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3529B3

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

Preview Lab → · Contrast checker → · Palette generator →