#3528A8#3528A8

#3528A8 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 39.0% C 0.192 H 277.2°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#3528A8
RGB	rgb(53, 40, 168)
HSL	hsl(246, 62%, 41%)
HSV	hsv(246, 76%, 66%)
CMYK	cmyk(68.5%, 76.2%, 0%, 34.1%)
CIE-LAB	lab(27.02, 44.91, -66.06)
CIE-LCH	lch(27.02, 79.88, 304.21°)
OKLab	oklab(39.05% 0.0242 -0.1909)
OKLCH	oklch(39.05% 0.192 277.2)
XYZ	xyz(9.2926, 5.1008, 37.5330)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3528A8 #9BA828

analogous

#285BA8 #3528A8 #7528A8

triadic

#3528A8 #A83528 #28A835

tetradic

#3528A8 #A8285B #9BA828 #28A875

square

#3528A8 #A8285B #9BA828 #28A875

split-complementary

#3528A8 #A87528 #5BA828

monochromatic

#161045 #251C77 #3528A8 #4C3DD1 #796EDC

Accessibility & contrast

On white

10.39

#3528A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3528A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3528A8

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3528A8	#FFFFFF	#000000	##FFFFFF
##3528A8	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AC

Deuteranopia (green-blind)

#003AA6

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3528a8;
/* rgb */ color: rgb(53, 40, 168);
/* oklch */ color: oklch(39.0% 0.192 277.2);

Tailwind

colors: {
  custom: {
    50: '#7d65c3',
    500: '#3528a8',
    950: '#000000',
  },
}

SCSS

$custom: #3528a8;
$custom-light: #7d65c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3528a8",
  "rgb": {
    "r": 53,
    "g": 40,
    "b": 168
  },
  "hsl": {
    "h": 246.094,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39045,
    "c": 0.19239,
    "h": 277.2
  },
  "luminance": 0.05102
}

Semantic roles & 50–950 ramp

primary

#3528A8

secondary

#BAC369

accent

#E543D4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3528A8

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

Preview Lab → · Contrast checker → · Palette generator →