#4047D9#4047D9

#4047D9 is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.2% C 0.218 H 273.0°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#4047D9
RGB	rgb(64, 71, 217)
HSL	hsl(237, 67%, 55%)
HSV	hsv(237, 71%, 85%)
CMYK	cmyk(70.5%, 67.3%, 0%, 14.9%)
CIE-LAB	lab(38.91, 44.43, -75.27)
CIE-LCH	lch(38.91, 87.40, 300.55°)
OKLab	oklab(49.16% 0.0113 -0.2176)
OKLCH	oklch(49.16% 0.218 273)
XYZ	xyz(16.8878, 10.6046, 66.7891)
Luminance	0.1061 (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

#4047D9 #D9D240

analogous

#4093D9 #4047D9 #8640D9

triadic

#4047D9 #D94047 #47D940

tetradic

#4047D9 #D94093 #D9D240 #40D986

square

#4047D9 #D94093 #D9D240 #40D986

split-complementary

#4047D9 #D98640 #93D940

monochromatic

#1A1F84 #242BB7 #4047D9 #7378E3 #A6A9ED

Accessibility & contrast

On white

6.73

#4047D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#4047D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4047D9

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4047D9	#FFFFFF	#000000	##FFFFFF
##4047D9	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063DD

Deuteranopia (green-blind)

#0054D6

Tritanopia (blue-blind)

#006E8A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4047d9;
/* rgb */ color: rgb(64, 71, 217);
/* oklch */ color: oklch(49.2% 0.218 273.0);

Tailwind

colors: {
  custom: {
    50: '#897be6',
    500: '#4047d9',
    950: '#000000',
  },
}

SCSS

$custom: #4047d9;
$custom-light: #897be6;
$custom-dark: #000000;

JSON

{
  "hex": "#4047d9",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 217
  },
  "hsl": {
    "h": 237.255,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.49163,
    "c": 0.21787,
    "h": 273
  },
  "luminance": 0.10606
}

Semantic roles & 50–950 ramp

primary

#4047D9

secondary

#DAD89A

accent

#E23EEA

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #4047D9

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

Preview Lab → · Contrast checker → · Palette generator →