#3545BC#3545BC

#3545BC is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.6% C 0.186 H 271.0°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#3545BC
RGB	rgb(53, 69, 188)
HSL	hsl(233, 56%, 47%)
HSV	hsv(233, 72%, 74%)
CMYK	cmyk(71.8%, 63.3%, 0%, 26.3%)
CIE-LAB	lab(35.29, 34.35, -64.39)
CIE-LCH	lch(35.29, 72.98, 298.08°)
OKLab	oklab(45.58% 0.0032 -0.186)
OKLCH	oklch(45.58% 0.186 271)
XYZ	xyz(12.6703, 8.6427, 48.5677)
Luminance	0.0864 (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

#3545BC #BCAC35

analogous

#3589BC #3545BC #6935BC

triadic

#3545BC #BC3545 #45BC35

tetradic

#3545BC #BC3589 #BCAC35 #35BC69

square

#3545BC #BC3589 #BCAC35 #35BC69

split-complementary

#3545BC #BC6935 #89BC35

monochromatic

#1A225D #28338C #3545BC #5D6BD1 #8D96DF

Accessibility & contrast

On white

7.70

#3545BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3545BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3545BC

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3545BC	#FFFFFF	#000000	##FFFFFF
##3545BC	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#004DBA

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3545bc;
/* rgb */ color: rgb(53, 69, 188);
/* oklch */ color: oklch(45.6% 0.186 271.0);

Tailwind

colors: {
  custom: {
    50: '#7f78d1',
    500: '#3545bc',
    950: '#000000',
  },
}

SCSS

$custom: #3545bc;
$custom-light: #7f78d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3545bc",
  "rgb": {
    "r": 53,
    "g": 69,
    "b": 188
  },
  "hsl": {
    "h": 232.889,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.45579,
    "c": 0.18602,
    "h": 271
  },
  "luminance": 0.08644
}

Semantic roles & 50–950 ramp

primary

#3545BC

secondary

#C9C184

accent

#CD48DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #3545BC

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

Preview Lab → · Contrast checker → · Palette generator →