#3528A3#3528A3

#3528A3 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.5% C 0.186 H 277.8°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#3528A3
RGB	rgb(53, 40, 163)
HSL	hsl(246, 61%, 40%)
HSV	hsv(246, 75%, 64%)
CMYK	cmyk(67.5%, 75.5%, 0%, 36.1%)
CIE-LAB	lab(26.50, 43.31, -63.89)
CIE-LCH	lch(26.50, 77.19, 304.13°)
OKLab	oklab(38.52% 0.0253 -0.1846)
OKLCH	oklch(38.52% 0.186 277.8)
XYZ	xyz(8.8357, 4.9181, 35.1269)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3528A3 #96A328

analogous

#2859A3 #3528A3 #7228A3

triadic

#3528A3 #A33528 #28A335

tetradic

#3528A3 #A32859 #96A328 #28A372

square

#3528A3 #A32859 #96A328 #28A372

split-complementary

#3528A3 #A37228 #59A328

monochromatic

#151041 #251C72 #3528A3 #493ACF #776BDB

Accessibility & contrast

On white

10.59

#3528A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#3528A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3528A3

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3528A3	#FFFFFF	#000000	##FFFFFF
##3528A3	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A7

Deuteranopia (green-blind)

#0039A1

Tritanopia (blue-blind)

#004B64

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3528a3;
/* rgb */ color: rgb(53, 40, 163);
/* oklch */ color: oklch(38.5% 0.186 277.8);

Tailwind

colors: {
  custom: {
    50: '#7c64bf',
    500: '#3528a3',
    950: '#000000',
  },
}

SCSS

$custom: #3528a3;
$custom-light: #7c64bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3528a3",
  "rgb": {
    "r": 53,
    "g": 40,
    "b": 163
  },
  "hsl": {
    "h": 246.341,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38523,
    "c": 0.18628,
    "h": 277.8
  },
  "luminance": 0.04919
}

Semantic roles & 50–950 ramp

primary

#3528A3

secondary

#B7C166

accent

#E444D3

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3528A3

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

Preview Lab → · Contrast checker → · Palette generator →