#4047BF#4047BF

#4047BF is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.8% C 0.185 H 274.2°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#4047BF
RGB	rgb(64, 71, 191)
HSL	hsl(237, 50%, 50%)
HSV	hsv(237, 66%, 75%)
CMYK	cmyk(66.5%, 62.8%, 0%, 25.1%)
CIE-LAB	lab(36.66, 35.60, -63.87)
CIE-LCH	lch(36.66, 73.12, 299.13°)
OKLab	oklab(46.84% 0.0135 -0.1842)
OKLCH	oklch(46.84% 0.185 274.2)
XYZ	xyz(13.7684, 9.3568, 50.3606)
Luminance	0.0936 (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

#4047BF #BFB840

analogous

#4086BF #4047BF #7940BF

triadic

#4047BF #BF4047 #47BF40

tetradic

#4047BF #BF4086 #BFB840 #40BF79

square

#4047BF #BF4086 #BFB840 #40BF79

split-complementary

#4047BF #BF7940 #86BF40

monochromatic

#212563 #313691 #4047BF #6E73CE #9C9FDE

Accessibility & contrast

On white

7.31

#4047BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#4047BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4047BF

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4047BF	#FFFFFF	#000000	##FFFFFF
##4047BF	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC3

Deuteranopia (green-blind)

#0051BD

Tritanopia (blue-blind)

#00667C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4047bf;
/* rgb */ color: rgb(64, 71, 191);
/* oklch */ color: oklch(46.8% 0.185 274.2);

Tailwind

colors: {
  custom: {
    50: '#847ad3',
    500: '#4047bf',
    950: '#000000',
  },
}

SCSS

$custom: #4047bf;
$custom-light: #847ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#4047bf",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 191
  },
  "hsl": {
    "h": 236.693,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.46838,
    "c": 0.18469,
    "h": 274.2
  },
  "luminance": 0.09358
}

Semantic roles & 50–950 ramp

primary

#4047BF

secondary

#CAC791

accent

#D24ED9

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4047BF

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

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