#4047CC#4047CC

#4047CC is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.0% C 0.202 H 273.6°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#4047CC
RGB	rgb(64, 71, 204)
HSL	hsl(237, 58%, 53%)
HSV	hsv(237, 69%, 80%)
CMYK	cmyk(68.6%, 65.2%, 0%, 20%)
CIE-LAB	lab(37.76, 40.04, -69.65)
CIE-LCH	lch(37.76, 80.34, 299.90°)
OKLab	oklab(47.98% 0.0126 -0.2011)
OKLCH	oklch(47.98% 0.202 273.6)
XYZ	xyz(15.2630, 9.9547, 58.2321)
Luminance	0.0996 (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

#4047CC #CCC540

analogous

#408DCC #4047CC #7F40CC

triadic

#4047CC #CC4047 #47CC40

tetradic

#4047CC #CC408D #CCC540 #40CC7F

square

#4047CC #CC408D #CCC540 #40CC7F

split-complementary

#4047CC #CC7F40 #8DCC40

monochromatic

#1F2373 #2C32A3 #4047CC #7076D9 #A1A4E6

Accessibility & contrast

On white

7.02

#4047CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#4047CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4047CC

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4047CC	#FFFFFF	#000000	##FFFFFF
##4047CC	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD0

Deuteranopia (green-blind)

#0052C9

Tritanopia (blue-blind)

#006A83

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4047cc;
/* rgb */ color: rgb(64, 71, 204);
/* oklch */ color: oklch(48.0% 0.202 273.6);

Tailwind

colors: {
  custom: {
    50: '#877add',
    500: '#4047cc',
    950: '#000000',
  },
}

SCSS

$custom: #4047cc;
$custom-light: #877add;
$custom-dark: #000000;

JSON

{
  "hex": "#4047cc",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 204
  },
  "hsl": {
    "h": 237,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.47981,
    "c": 0.20153,
    "h": 273.6
  },
  "luminance": 0.09956
}

Semantic roles & 50–950 ramp

primary

#4047CC

secondary

#D2CF95

accent

#D947E1

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4047CC

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

Preview Lab → · Contrast checker → · Palette generator →