#3543C9#3543C9

#3543C9 is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.4% C 0.205 H 271.0°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#3543C9
RGB	rgb(53, 67, 201)
HSL	hsl(234, 58%, 50%)
HSV	hsv(234, 74%, 79%)
CMYK	cmyk(73.6%, 66.7%, 0%, 21.2%)
CIE-LAB	lab(35.96, 40.19, -70.89)
CIE-LCH	lch(35.96, 81.49, 299.55°)
OKLab	oklab(46.42% 0.0036 -0.205)
OKLCH	oklch(46.42% 0.205 271)
XYZ	xyz(14.0144, 8.9868, 56.2430)
Luminance	0.0899 (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

#3543C9 #C9BB35

analogous

#358DC9 #3543C9 #7135C9

triadic

#3543C9 #C93543 #43C935

tetradic

#3543C9 #C9358D #C9BB35 #35C971

square

#3543C9 #C9358D #C9BB35 #35C971

split-complementary

#3543C9 #C97135 #8DC935

monochromatic

#1B2368 #283399 #3543C9 #6570D6 #959DE3

Accessibility & contrast

On white

7.51

#3543C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3543C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3543C9

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3543C9	#FFFFFF	#000000	##FFFFFF
##3543C9	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCD

Deuteranopia (green-blind)

#004EC6

Tritanopia (blue-blind)

#006780

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3543c9;
/* rgb */ color: rgb(53, 67, 201);
/* oklch */ color: oklch(46.4% 0.205 271.0);

Tailwind

colors: {
  custom: {
    50: '#8277db',
    500: '#3543c9',
    950: '#000000',
  },
}

SCSS

$custom: #3543c9;
$custom-light: #8277db;
$custom-dark: #000000;

JSON

{
  "hex": "#3543c9",
  "rgb": {
    "r": 53,
    "g": 67,
    "b": 201
  },
  "hsl": {
    "h": 234.324,
    "s": 58.268,
    "l": 49.804
  },
  "oklch": {
    "l": 0.46421,
    "c": 0.20506,
    "h": 271
  },
  "luminance": 0.08988
}

Semantic roles & 50–950 ramp

primary

#3543C9

secondary

#CEC88B

accent

#D346E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3543C9

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

Preview Lab → · Contrast checker → · Palette generator →