#4247BE#4247BE

#4247BE is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.9% C 0.183 H 275.0°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#4247BE
RGB	rgb(66, 71, 190)
HSL	hsl(238, 49%, 50%)
HSV	hsv(238, 65%, 75%)
CMYK	cmyk(65.3%, 62.6%, 0%, 25.5%)
CIE-LAB	lab(36.71, 35.55, -63.21)
CIE-LCH	lch(36.71, 72.52, 299.35°)
OKLab	oklab(46.88% 0.0158 -0.1822)
OKLCH	oklch(46.88% 0.183 275)
XYZ	xyz(13.7912, 9.3812, 49.7892)
Luminance	0.0938 (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

#4247BE #BEB942

analogous

#4285BE #4247BE #7B42BE

triadic

#4247BE #BE4247 #47BE42

tetradic

#4247BE #BE4285 #BEB942 #42BE7B

square

#4247BE #BE4285 #BEB942 #42BE7B

split-complementary

#4247BE #BE7B42 #85BE42

monochromatic

#222563 #323691 #4247BE #7073CE #9DA0DD

Accessibility & contrast

On white

7.30

#4247BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#4247BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4247BE

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4247BE	#FFFFFF	#000000	##FFFFFF
##4247BE	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC2

Deuteranopia (green-blind)

#0051BC

Tritanopia (blue-blind)

#00657C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4247be;
/* rgb */ color: rgb(66, 71, 190);
/* oklch */ color: oklch(46.9% 0.183 275.0);

Tailwind

colors: {
  custom: {
    50: '#857ad3',
    500: '#4247be',
    950: '#000000',
  },
}

SCSS

$custom: #4247be;
$custom-light: #857ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#4247be",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 190
  },
  "hsl": {
    "h": 237.581,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.4688,
    "c": 0.18288,
    "h": 275
  },
  "luminance": 0.09382
}

Semantic roles & 50–950 ramp

primary

#4247BE

secondary

#CAC792

accent

#D34FD8

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4247BE

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

Preview Lab → · Contrast checker → · Palette generator →