#4047D8#4047D8

#4047D8 is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.1% C 0.217 H 273.0°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#4047D8
RGB	rgb(64, 71, 216)
HSL	hsl(237, 66%, 55%)
HSV	hsv(237, 70%, 85%)
CMYK	cmyk(70.4%, 67.1%, 0%, 15.3%)
CIE-LAB	lab(38.82, 44.09, -74.84)
CIE-LCH	lch(38.82, 86.86, 300.50°)
OKLab	oklab(49.07% 0.0115 -0.2163)
OKLCH	oklch(49.07% 0.217 273)
XYZ	xyz(16.7581, 10.5527, 66.1061)
Luminance	0.1055 (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

#4047D8 #D8D140

analogous

#4093D8 #4047D8 #8540D8

triadic

#4047D8 #D84047 #47D840

tetradic

#4047D8 #D84093 #D8D140 #40D885

square

#4047D8 #D84093 #D8D140 #40D885

split-complementary

#4047D8 #D88540 #93D840

monochromatic

#1B2083 #252CB6 #4047D8 #7378E2 #A6A9ED

Accessibility & contrast

On white

6.75

#4047D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#4047D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4047D8

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4047D8	#FFFFFF	#000000	##FFFFFF
##4047D8	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063DC

Deuteranopia (green-blind)

#0054D5

Tritanopia (blue-blind)

#006E8A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4047d8;
/* rgb */ color: rgb(64, 71, 216);
/* oklch */ color: oklch(49.1% 0.217 273.0);

Tailwind

colors: {
  custom: {
    50: '#897be5',
    500: '#4047d8',
    950: '#000000',
  },
}

SCSS

$custom: #4047d8;
$custom-light: #897be5;
$custom-dark: #000000;

JSON

{
  "hex": "#4047d8",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 216
  },
  "hsl": {
    "h": 237.237,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.49071,
    "c": 0.21663,
    "h": 273
  },
  "luminance": 0.10554
}

Semantic roles & 50–950 ramp

primary

#4047D8

secondary

#DAD79A

accent

#E13FE9

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #4047D8

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

Preview Lab → · Contrast checker → · Palette generator →