#3A43C9#3A43C9

#3A43C9 is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.7% C 0.204 H 272.5°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#3A43C9
RGB	rgb(58, 67, 201)
HSL	hsl(236, 57%, 51%)
HSV	hsv(236, 71%, 79%)
CMYK	cmyk(71.1%, 66.7%, 0%, 21.2%)
CIE-LAB	lab(36.23, 40.74, -70.43)
CIE-LCH	lch(36.23, 81.36, 300.05°)
OKLab	oklab(46.69% 0.0089 -0.2036)
OKLCH	oklch(46.69% 0.204 272.5)
XYZ	xyz(14.2911, 9.1295, 56.2560)
Luminance	0.0913 (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

#3A43C9 #C9C03A

analogous

#3A8AC9 #3A43C9 #783AC9

triadic

#3A43C9 #C93A43 #43C93A

tetradic

#3A43C9 #C93A8A #C9C03A #3AC978

square

#3A43C9 #C93A8A #C9C03A #3AC978

split-complementary

#3A43C9 #C9783A #8AC93A

monochromatic

#1D226B #2B329B #3A43C9 #6A71D6 #9A9FE3

Accessibility & contrast

On white

7.43

#3A43C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#3A43C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A43C9

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A43C9	#FFFFFF	#000000	##FFFFFF
##3A43C9	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCD

Deuteranopia (green-blind)

#004FC6

Tritanopia (blue-blind)

#006780

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3a43c9;
/* rgb */ color: rgb(58, 67, 201);
/* oklch */ color: oklch(46.7% 0.204 272.5);

Tailwind

colors: {
  custom: {
    50: '#8477db',
    500: '#3a43c9',
    950: '#000000',
  },
}

SCSS

$custom: #3a43c9;
$custom-light: #8477db;
$custom-dark: #000000;

JSON

{
  "hex": "#3a43c9",
  "rgb": {
    "r": 58,
    "g": 67,
    "b": 201
  },
  "hsl": {
    "h": 236.224,
    "s": 56.972,
    "l": 50.784
  },
  "oklch": {
    "l": 0.46694,
    "c": 0.20376,
    "h": 272.5
  },
  "luminance": 0.09131
}

Semantic roles & 50–950 ramp

primary

#3A43C9

secondary

#CFCB90

accent

#D748E0

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3A43C9

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

Preview Lab → · Contrast checker → · Palette generator →