#3538B8#3538B8

#3538B8 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 43.0% C 0.196 H 273.5°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#3538B8
RGB	rgb(53, 56, 184)
HSL	hsl(239, 55%, 46%)
HSV	hsv(239, 71%, 72%)
CMYK	cmyk(71.2%, 69.6%, 0%, 27.8%)
CIE-LAB	lab(31.91, 41.02, -67.57)
CIE-LCH	lch(31.91, 79.04, 301.26°)
OKLab	oklab(43.01% 0.012 -0.1953)
OKLCH	oklch(43.01% 0.196 273.5)
XYZ	xyz(11.5312, 7.0448, 46.0902)
Luminance	0.0705 (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

#3538B8 #B8B535

analogous

#357AB8 #3538B8 #7435B8

triadic

#3538B8 #B83538 #38B835

tetradic

#3538B8 #B8357A #B8B535 #35B874

square

#3538B8 #B8357A #B8B535 #35B874

split-complementary

#3538B8 #B87435 #7AB835

monochromatic

#1A1B59 #272A88 #3538B8 #5B5DD0 #8A8CDD

Accessibility & contrast

On white

8.72

#3538B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3538B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3538B8

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3538B8	#FFFFFF	#000000	##FFFFFF
##3538B8	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BC

Deuteranopia (green-blind)

#0045B6

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3538b8;
/* rgb */ color: rgb(53, 56, 184);
/* oklch */ color: oklch(43.0% 0.196 273.5);

Tailwind

colors: {
  custom: {
    50: '#7f6fce',
    500: '#3538b8',
    950: '#000000',
  },
}

SCSS

$custom: #3538b8;
$custom-light: #7f6fce;
$custom-dark: #000000;

JSON

{
  "hex": "#3538b8",
  "rgb": {
    "r": 53,
    "g": 56,
    "b": 184
  },
  "hsl": {
    "h": 238.626,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43009,
    "c": 0.19572,
    "h": 273.5
  },
  "luminance": 0.07046
}

Semantic roles & 50–950 ramp

primary

#3538B8

secondary

#C7C681

accent

#DB49DF

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3538B8

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

Preview Lab → · Contrast checker → · Palette generator →