#4042D0#4042D0

#4042D0 is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.5% C 0.212 H 274.2°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#4042D0
RGB	rgb(64, 66, 208)
HSL	hsl(239, 61%, 53%)
HSV	hsv(239, 69%, 82%)
CMYK	cmyk(69.2%, 68.3%, 0%, 18.4%)
CIE-LAB	lab(37.00, 44.38, -73.21)
CIE-LCH	lch(37.00, 85.61, 301.23°)
OKLab	oklab(47.54% 0.0155 -0.2116)
OKLCH	oklch(47.54% 0.212 274.2)
XYZ	xyz(15.4440, 9.5390, 60.6896)
Luminance	0.0954 (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

#4042D0 #D0CE40

analogous

#408AD0 #4042D0 #8640D0

triadic

#4042D0 #D04042 #42D040

tetradic

#4042D0 #D0408A #D0CE40 #40D086

square

#4042D0 #D0408A #D0CE40 #40D086

split-complementary

#4042D0 #D08640 #8AD040

monochromatic

#1E1F78 #2A2BA9 #4042D0 #7173DC #A2A3E8

Accessibility & contrast

On white

7.22

#4042D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#4042D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4042D0

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4042D0	#FFFFFF	#000000	##FFFFFF
##4042D0	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED4

Deuteranopia (green-blind)

#0050CD

Tritanopia (blue-blind)

#006884

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4042d0;
/* rgb */ color: rgb(64, 66, 208);
/* oklch */ color: oklch(47.5% 0.212 274.2);

Tailwind

colors: {
  custom: {
    50: '#8877e0',
    500: '#4042d0',
    950: '#000000',
  },
}

SCSS

$custom: #4042d0;
$custom-light: #8877e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4042d0",
  "rgb": {
    "r": 64,
    "g": 66,
    "b": 208
  },
  "hsl": {
    "h": 239.167,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.47539,
    "c": 0.21213,
    "h": 274.2
  },
  "luminance": 0.0954
}

Semantic roles & 50–950 ramp

primary

#4042D0

secondary

#D5D497

accent

#E144E4

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4042D0

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

Preview Lab → · Contrast checker → · Palette generator →