#3536B1#3536B1

#3536B1 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.0% C 0.189 H 274.3°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#3536B1
RGB	rgb(53, 54, 177)
HSL	hsl(240, 54%, 45%)
HSV	hsv(240, 70%, 69%)
CMYK	cmyk(70.1%, 69.5%, 0%, 30.6%)
CIE-LAB	lab(30.80, 39.84, -65.23)
CIE-LCH	lch(30.80, 76.43, 301.42°)
OKLab	oklab(42.01% 0.0141 -0.1885)
OKLCH	oklch(42.01% 0.189 274.3)
XYZ	xyz(10.7205, 6.5685, 42.2893)
Luminance	0.0657 (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

#3536B1 #B1B035

analogous

#3574B1 #3536B1 #7235B1

triadic

#3536B1 #B13536 #36B135

tetradic

#3536B1 #B13574 #B1B035 #35B172

square

#3536B1 #B13574 #B1B035 #35B172

split-complementary

#3536B1 #B17235 #74B135

monochromatic

#191953 #272882 #3536B1 #5758CD #8686DB

Accessibility & contrast

On white

9.08

#3536B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3536B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3536B1

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3536B1	#FFFFFF	#000000	##FFFFFF
##3536B1	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB5

Deuteranopia (green-blind)

#0043AF

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3536b1;
/* rgb */ color: rgb(53, 54, 177);
/* oklch */ color: oklch(42.0% 0.189 274.3);

Tailwind

colors: {
  custom: {
    50: '#7e6ec9',
    500: '#3536b1',
    950: '#000000',
  },
}

SCSS

$custom: #3536b1;
$custom-light: #7e6ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#3536b1",
  "rgb": {
    "r": 53,
    "g": 54,
    "b": 177
  },
  "hsl": {
    "h": 239.516,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42011,
    "c": 0.18903,
    "h": 274.3
  },
  "luminance": 0.0657
}

Semantic roles & 50–950 ramp

primary

#3536B1

secondary

#C4C47D

accent

#DC4BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3536B1

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

Preview Lab → · Contrast checker → · Palette generator →