#3545CB#3545CB

#3545CB is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 46.9% C 0.205 H 270.6°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#3545CB
RGB	rgb(53, 69, 203)
HSL	hsl(234, 59%, 50%)
HSV	hsv(234, 74%, 80%)
CMYK	cmyk(73.9%, 66%, 0%, 20.4%)
CIE-LAB	lab(36.60, 39.65, -71.00)
CIE-LCH	lch(36.60, 81.32, 299.18°)
OKLab	oklab(46.94% 0.0023 -0.2053)
OKLCH	oklch(46.94% 0.205 270.6)
XYZ	xyz(14.3721, 9.3234, 57.5305)
Luminance	0.0932 (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

#3545CB #CBBB35

analogous

#3590CB #3545CB #7035CB

triadic

#3545CB #CB3545 #45CB35

tetradic

#3545CB #CB3590 #CBBB35 #35CB70

square

#3545CB #CB3590 #CBBB35 #35CB70

split-complementary

#3545CB #CB7035 #90CB35

monochromatic

#1B246A #28349B #3545CB #6672D8 #969FE4

Accessibility & contrast

On white

7.33

#3545CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#3545CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3545CB

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3545CB	#FFFFFF	#000000	##FFFFFF
##3545CB	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCF

Deuteranopia (green-blind)

#004FC8

Tritanopia (blue-blind)

#006982

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3545cb;
/* rgb */ color: rgb(53, 69, 203);
/* oklch */ color: oklch(46.9% 0.205 270.6);

Tailwind

colors: {
  custom: {
    50: '#8279dc',
    500: '#3545cb',
    950: '#000000',
  },
}

SCSS

$custom: #3545cb;
$custom-light: #8279dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3545cb",
  "rgb": {
    "r": 53,
    "g": 69,
    "b": 203
  },
  "hsl": {
    "h": 233.6,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.46943,
    "c": 0.20535,
    "h": 270.6
  },
  "luminance": 0.09325
}

Semantic roles & 50–950 ramp

primary

#3545CB

secondary

#CFC88C

accent

#D246E2

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3545CB

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

Preview Lab → · Contrast checker → · Palette generator →