#4042D6#4042D6

#4042D6 is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 48.1% C 0.220 H 273.8°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#4042D6
RGB	rgb(64, 66, 214)
HSL	hsl(239, 65%, 55%)
HSV	hsv(239, 70%, 84%)
CMYK	cmyk(70.1%, 69.2%, 0%, 16.1%)
CIE-LAB	lab(37.55, 46.37, -75.77)
CIE-LCH	lch(37.55, 88.83, 301.47°)
OKLab	oklab(48.1% 0.0147 -0.219)
OKLCH	oklch(48.1% 0.22 273.8)
XYZ	xyz(16.1961, 9.8399, 64.6510)
Luminance	0.0984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue (survey)

#0343DF

ΔE00 3.24

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4042D6 #D6D440

analogous

#408DD6 #4042D6 #8940D6

triadic

#4042D6 #D64042 #42D640

tetradic

#4042D6 #D6408D #D6D440 #40D689

square

#4042D6 #D6408D #D6D440 #40D689

split-complementary

#4042D6 #D68940 #8DD640

monochromatic

#1B1D80 #2628B2 #4042D6 #7274E1 #A5A6EC

Accessibility & contrast

On white

7.07

#4042D6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#4042D6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4042D6

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4042D6	#FFFFFF	#000000	##FFFFFF
##4042D6	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FDA

Deuteranopia (green-blind)

#0051D3

Tritanopia (blue-blind)

#006B87

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4042d6;
/* rgb */ color: rgb(64, 66, 214);
/* oklch */ color: oklch(48.1% 0.220 273.8);

Tailwind

colors: {
  custom: {
    50: '#8977e4',
    500: '#4042d6',
    950: '#000000',
  },
}

SCSS

$custom: #4042d6;
$custom-light: #8977e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4042d6",
  "rgb": {
    "r": 64,
    "g": 66,
    "b": 214
  },
  "hsl": {
    "h": 239.2,
    "s": 64.655,
    "l": 54.51
  },
  "oklch": {
    "l": 0.48104,
    "c": 0.21952,
    "h": 273.8
  },
  "luminance": 0.09841
}

Semantic roles & 50–950 ramp

primary

#4042D6

secondary

#D9D899

accent

#E540E8

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #4042D6

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

Preview Lab → · Contrast checker → · Palette generator →