#4039D6#4039D6

#4039D6 is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.8% C 0.229 H 274.9°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#4039D6
RGB	rgb(64, 57, 214)
HSL	hsl(243, 66%, 53%)
HSV	hsv(243, 73%, 84%)
CMYK	cmyk(70.1%, 73.4%, 0%, 16.1%)
CIE-LAB	lab(35.73, 51.42, -78.77)
CIE-LCH	lch(35.73, 94.06, 303.14°)
OKLab	oklab(46.8% 0.0197 -0.2277)
OKLCH	oklch(46.8% 0.229 274.9)
XYZ	xyz(15.7111, 8.8698, 64.4893)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.61

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4039D6 #CFD639

analogous

#3980D6 #4039D6 #8E39D6

triadic

#4039D6 #D64039 #39D640

tetradic

#4039D6 #D63980 #CFD639 #39D68E

square

#4039D6 #D63980 #CFD639 #39D68E

split-complementary

#4039D6 #D68E39 #80D639

monochromatic

#1E197B #2A24AE #4039D6 #716CE0 #A29EEB

Accessibility & contrast

On white

7.57

#4039D6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#4039D6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4039D6

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4039D6	#FFFFFF	#000000	##FFFFFF
##4039D6	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BDB

Deuteranopia (green-blind)

#004DD3

Tritanopia (blue-blind)

#006685

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4039d6;
/* rgb */ color: rgb(64, 57, 214);
/* oklch */ color: oklch(46.8% 0.229 274.9);

Tailwind

colors: {
  custom: {
    50: '#8a72e4',
    500: '#4039d6',
    950: '#000000',
  },
}

SCSS

$custom: #4039d6;
$custom-light: #8a72e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4039d6",
  "rgb": {
    "r": 64,
    "g": 57,
    "b": 214
  },
  "hsl": {
    "h": 242.675,
    "s": 65.69,
    "l": 53.137
  },
  "oklch": {
    "l": 0.46803,
    "c": 0.2286,
    "h": 274.9
  },
  "luminance": 0.08871
}

Semantic roles & 50–950 ramp

primary

#4039D6

secondary

#D4D794

accent

#E93FE1

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4039D6

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

Preview Lab → · Contrast checker → · Palette generator →