#4042BE#4042BE

#4042BE is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.9% C 0.189 H 275.3°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#4042BE
RGB	rgb(64, 66, 190)
HSL	hsl(239, 50%, 50%)
HSV	hsv(239, 66%, 75%)
CMYK	cmyk(66.3%, 65.3%, 0%, 25.5%)
CIE-LAB	lab(35.41, 38.35, -65.34)
CIE-LCH	lch(35.41, 75.77, 300.41°)
OKLab	oklab(45.89% 0.0174 -0.1885)
OKLCH	oklch(45.89% 0.189 275.3)
XYZ	xyz(13.3538, 8.7029, 49.6813)
Luminance	0.0870 (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

#4042BE #BEBC40

analogous

#4081BE #4042BE #7D40BE

triadic

#4042BE #BE4042 #42BE40

tetradic

#4042BE #BE4081 #BEBC40 #40BE7D

square

#4042BE #BE4081 #BEBC40 #40BE7D

split-complementary

#4042BE #BE7D40 #81BE40

monochromatic

#212262 #313290 #4042BE #6D6FCE #9B9CDD

Accessibility & contrast

On white

7.66

#4042BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#4042BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4042BE

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4042BE	#FFFFFF	#000000	##FFFFFF
##4042BE	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C2

Deuteranopia (green-blind)

#004EBC

Tritanopia (blue-blind)

#00627A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4042be;
/* rgb */ color: rgb(64, 66, 190);
/* oklch */ color: oklch(45.9% 0.189 275.3);

Tailwind

colors: {
  custom: {
    50: '#8477d3',
    500: '#4042be',
    950: '#000000',
  },
}

SCSS

$custom: #4042be;
$custom-light: #8477d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4042be",
  "rgb": {
    "r": 64,
    "g": 66,
    "b": 190
  },
  "hsl": {
    "h": 239.048,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45893,
    "c": 0.18933,
    "h": 275.3
  },
  "luminance": 0.08704
}

Semantic roles & 50–950 ramp

primary

#4042BE

secondary

#C9C990

accent

#D74FD9

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #4042BE

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

Preview Lab → · Contrast checker → · Palette generator →