#4039D2#4039D2

#4039D2 is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.4% C 0.224 H 275.2°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#4039D2
RGB	rgb(64, 57, 210)
HSL	hsl(243, 63%, 52%)
HSV	hsv(243, 73%, 82%)
CMYK	cmyk(69.5%, 72.9%, 0%, 17.6%)
CIE-LAB	lab(35.34, 50.16, -77.11)
CIE-LCH	lch(35.34, 91.99, 303.04°)
OKLab	oklab(46.4% 0.0204 -0.2229)
OKLCH	oklch(46.4% 0.224 275.2)
XYZ	xyz(15.2065, 8.6680, 61.8320)
Luminance	0.0867 (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

#4039D2 #CBD239

analogous

#397FD2 #4039D2 #8C39D2

triadic

#4039D2 #D24039 #39D240

tetradic

#4039D2 #D2397F #CBD239 #39D28C

square

#4039D2 #D2397F #CBD239 #39D28C

split-complementary

#4039D2 #D28C39 #7FD239

monochromatic

#1F1B76 #2C26A8 #4039D2 #706BDD #A09DE9

Accessibility & contrast

On white

7.68

#4039D2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#4039D2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4039D2

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4039D2	#FFFFFF	#000000	##FFFFFF
##4039D2	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD6

Deuteranopia (green-blind)

#004CCF

Tritanopia (blue-blind)

#006582

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4039d2;
/* rgb */ color: rgb(64, 57, 210);
/* oklch */ color: oklch(46.4% 0.224 275.2);

Tailwind

colors: {
  custom: {
    50: '#8971e1',
    500: '#4039d2',
    950: '#000000',
  },
}

SCSS

$custom: #4039d2;
$custom-light: #8971e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4039d2",
  "rgb": {
    "r": 64,
    "g": 57,
    "b": 210
  },
  "hsl": {
    "h": 242.745,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.46404,
    "c": 0.22385,
    "h": 275.2
  },
  "luminance": 0.08669
}

Semantic roles & 50–950 ramp

primary

#4039D2

secondary

#D2D592

accent

#E642DE

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0815

muted

#7E7B84

Preview Lab

Preview with #4039D2

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

Preview Lab → · Contrast checker → · Palette generator →