#3538CC#3538CC

#3538CC is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 45.0% C 0.220 H 272.3°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#3538CC
RGB	rgb(53, 56, 204)
HSL	hsl(239, 60%, 50%)
HSV	hsv(239, 74%, 80%)
CMYK	cmyk(74%, 72.5%, 0%, 20%)
CIE-LAB	lab(33.86, 47.72, -76.08)
CIE-LCH	lch(33.86, 89.81, 302.10°)
OKLab	oklab(45% 0.009 -0.2202)
OKLCH	oklch(45% 0.22 272.3)
XYZ	xyz(13.7778, 7.9434, 57.9222)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3538CC #CCC935

analogous

#3583CC #3538CC #7D35CC

triadic

#3538CC #CC3538 #38CC35

tetradic

#3538CC #CC3583 #CCC935 #35CC7D

square

#3538CC #CC3583 #CCC935 #35CC7D

split-complementary

#3538CC #CC7D35 #83CC35

monochromatic

#1B1D6B #272A9C #3538CC #6668D8 #9798E5

Accessibility & contrast

On white

8.11

#3538CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3538CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3538CC

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3538CC	#FFFFFF	#000000	##FFFFFF
##3538CC	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057D0

Deuteranopia (green-blind)

#0048C9

Tritanopia (blue-blind)

#00627F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3538cc;
/* rgb */ color: rgb(53, 56, 204);
/* oklch */ color: oklch(45.0% 0.220 272.3);

Tailwind

colors: {
  custom: {
    50: '#8470dd',
    500: '#3538cc',
    950: '#000000',
  },
}

SCSS

$custom: #3538cc;
$custom-light: #8470dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3538cc",
  "rgb": {
    "r": 53,
    "g": 56,
    "b": 204
  },
  "hsl": {
    "h": 238.808,
    "s": 59.684,
    "l": 50.392
  },
  "oklch": {
    "l": 0.44999,
    "c": 0.22036,
    "h": 272.3
  },
  "luminance": 0.07945
}

Semantic roles & 50–950 ramp

primary

#3538CC

secondary

#D0CF8D

accent

#E045E3

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3538CC

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

Preview Lab → · Contrast checker → · Palette generator →