#4039D1#4039D1

#4039D1 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.3% C 0.223 H 275.3°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#4039D1
RGB	rgb(64, 57, 209)
HSL	hsl(243, 62%, 52%)
HSV	hsv(243, 73%, 82%)
CMYK	cmyk(69.4%, 72.7%, 0%, 18%)
CIE-LAB	lab(35.24, 49.84, -76.69)
CIE-LCH	lch(35.24, 91.46, 303.02°)
OKLab	oklab(46.3% 0.0206 -0.2217)
OKLCH	oklch(46.3% 0.223 275.3)
XYZ	xyz(15.0823, 8.6183, 61.1779)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.53

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4039D1 #CAD139

analogous

#397ED1 #4039D1 #8C39D1

triadic

#4039D1 #D14039 #39D140

tetradic

#4039D1 #D1397E #CAD139 #39D18C

square

#4039D1 #D1397E #CAD139 #39D18C

split-complementary

#4039D1 #D18C39 #7ED139

monochromatic

#1F1B75 #2C27A6 #4039D1 #706BDD #A09CE8

Accessibility & contrast

On white

7.71

#4039D1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#4039D1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4039D1

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4039D1	#FFFFFF	#000000	##FFFFFF
##4039D1	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD5

Deuteranopia (green-blind)

#004CCE

Tritanopia (blue-blind)

#006482

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4039d1;
/* rgb */ color: rgb(64, 57, 209);
/* oklch */ color: oklch(46.3% 0.223 275.3);

Tailwind

colors: {
  custom: {
    50: '#8971e0',
    500: '#4039d1',
    950: '#000000',
  },
}

SCSS

$custom: #4039d1;
$custom-light: #8971e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4039d1",
  "rgb": {
    "r": 64,
    "g": 57,
    "b": 209
  },
  "hsl": {
    "h": 242.763,
    "s": 62.295,
    "l": 52.157
  },
  "oklch": {
    "l": 0.46304,
    "c": 0.22266,
    "h": 275.3
  },
  "luminance": 0.0862
}

Semantic roles & 50–950 ramp

primary

#4039D1

secondary

#D1D492

accent

#E542DE

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4039D1

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

Preview Lab → · Contrast checker → · Palette generator →