#3543CB#3543CB

#3543CB is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.6% C 0.208 H 270.9°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#3543CB
RGB	rgb(53, 67, 203)
HSL	hsl(234, 59%, 50%)
HSV	hsv(234, 74%, 80%)
CMYK	cmyk(73.9%, 67%, 0%, 20.4%)
CIE-LAB	lab(36.14, 40.88, -71.75)
CIE-LCH	lch(36.14, 82.58, 299.67°)
OKLab	oklab(46.61% 0.0034 -0.2075)
OKLCH	oklch(46.61% 0.208 270.9)
XYZ	xyz(14.2512, 9.0815, 57.4902)
Luminance	0.0908 (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

#3543CB #CBBD35

analogous

#358ECB #3543CB #7235CB

triadic

#3543CB #CB3543 #43CB35

tetradic

#3543CB #CB358E #CBBD35 #35CB72

square

#3543CB #CB358E #CBBD35 #35CB72

split-complementary

#3543CB #CB7235 #8ECB35

monochromatic

#1B236A #28339B #3543CB #6670D8 #969EE4

Accessibility & contrast

On white

7.46

#3543CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3543CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3543CB

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3543CB	#FFFFFF	#000000	##FFFFFF
##3543CB	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCF

Deuteranopia (green-blind)

#004EC8

Tritanopia (blue-blind)

#006881

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3543cb;
/* rgb */ color: rgb(53, 67, 203);
/* oklch */ color: oklch(46.6% 0.208 270.9);

Tailwind

colors: {
  custom: {
    50: '#8277dc',
    500: '#3543cb',
    950: '#000000',
  },
}

SCSS

$custom: #3543cb;
$custom-light: #8277dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3543cb",
  "rgb": {
    "r": 53,
    "g": 67,
    "b": 203
  },
  "hsl": {
    "h": 234.4,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.46609,
    "c": 0.20758,
    "h": 270.9
  },
  "luminance": 0.09083
}

Semantic roles & 50–950 ramp

primary

#3543CB

secondary

#CFC98C

accent

#D446E2

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3543CB

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

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