#4043BE#4043BE

#4043BE is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.1% C 0.188 H 275.1°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#4043BE
RGB	rgb(64, 67, 190)
HSL	hsl(239, 50%, 50%)
HSV	hsv(239, 66%, 75%)
CMYK	cmyk(66.3%, 64.7%, 0%, 25.5%)
CIE-LAB	lab(35.64, 37.74, -64.96)
CIE-LCH	lch(35.64, 75.13, 300.15°)
OKLab	oklab(46.06% 0.0167 -0.1874)
OKLCH	oklch(46.06% 0.188 275.1)
XYZ	xyz(13.4127, 8.8208, 49.7010)
Luminance	0.0882 (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

#4043BE #BEBB40

analogous

#4082BE #4043BE #7C40BE

triadic

#4043BE #BE4043 #43BE40

tetradic

#4043BE #BE4082 #BEBB40 #40BE7C

square

#4043BE #BE4082 #BEBB40 #40BE7C

split-complementary

#4043BE #BE7C40 #82BE40

monochromatic

#212362 #313390 #4043BE #6D70CE #9B9DDD

Accessibility & contrast

On white

7.60

#4043BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#4043BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4043BE

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4043BE	#FFFFFF	#000000	##FFFFFF
##4043BE	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC2

Deuteranopia (green-blind)

#004EBC

Tritanopia (blue-blind)

#00637A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4043be;
/* rgb */ color: rgb(64, 67, 190);
/* oklch */ color: oklch(46.1% 0.188 275.1);

Tailwind

colors: {
  custom: {
    50: '#8477d3',
    500: '#4043be',
    950: '#000000',
  },
}

SCSS

$custom: #4043be;
$custom-light: #8477d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4043be",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 190
  },
  "hsl": {
    "h": 238.571,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.46062,
    "c": 0.18816,
    "h": 275.1
  },
  "luminance": 0.08822
}

Semantic roles & 50–950 ramp

primary

#4043BE

secondary

#C9C890

accent

#D64FD9

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4043BE

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

Preview Lab → · Contrast checker → · Palette generator →