#3538BF#3538BF

#3538BF is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.7% C 0.204 H 273.1°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#3538BF
RGB	rgb(53, 56, 191)
HSL	hsl(239, 57%, 48%)
HSV	hsv(239, 72%, 75%)
CMYK	cmyk(72.3%, 70.7%, 0%, 25.1%)
CIE-LAB	lab(32.58, 43.39, -70.59)
CIE-LCH	lch(32.58, 82.86, 301.58°)
OKLab	oklab(43.7% 0.011 -0.2042)
OKLCH	oklch(43.7% 0.204 273.1)
XYZ	xyz(12.2832, 7.3456, 50.0506)
Luminance	0.0735 (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

#3538BF #BFBC35

analogous

#357DBF #3538BF #7735BF

triadic

#3538BF #BF3538 #38BF35

tetradic

#3538BF #BF357D #BFBC35 #35BF77

square

#3538BF #BF357D #BFBC35 #35BF77

split-complementary

#3538BF #BF7735 #7DBF35

monochromatic

#1A1C5F #282A8F #3538BF #5F61D3 #8F90E0

Accessibility & contrast

On white

8.50

#3538BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3538BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3538BF

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3538BF	#FFFFFF	#000000	##FFFFFF
##3538BF	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C3

Deuteranopia (green-blind)

#0046BD

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3538bf;
/* rgb */ color: rgb(53, 56, 191);
/* oklch */ color: oklch(43.7% 0.204 273.1);

Tailwind

colors: {
  custom: {
    50: '#8170d4',
    500: '#3538bf',
    950: '#000000',
  },
}

SCSS

$custom: #3538bf;
$custom-light: #8170d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3538bf",
  "rgb": {
    "r": 53,
    "g": 56,
    "b": 191
  },
  "hsl": {
    "h": 238.696,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43695,
    "c": 0.20448,
    "h": 273.1
  },
  "luminance": 0.07347
}

Semantic roles & 50–950 ramp

primary

#3538BF

secondary

#CAC985

accent

#DD48E0

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3538BF

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

Preview Lab → · Contrast checker → · Palette generator →