#4247D3#4247D3

#4247D3 is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 48.7% C 0.210 H 273.9°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#4247D3
RGB	rgb(66, 71, 211)
HSL	hsl(238, 62%, 54%)
HSV	hsv(238, 69%, 83%)
CMYK	cmyk(68.7%, 66.4%, 0%, 17.3%)
CIE-LAB	lab(38.49, 42.65, -72.49)
CIE-LCH	lch(38.49, 84.11, 300.47°)
OKLab	oklab(48.73% 0.0142 -0.2094)
OKLCH	oklch(48.73% 0.21 273.9)
XYZ	xyz(16.2540, 10.3663, 62.7597)
Luminance	0.1037 (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

#4247D3 #D3CE42

analogous

#4290D3 #4247D3 #8642D3

triadic

#4247D3 #D34247 #47D342

tetradic

#4247D3 #D34290 #D3CE42 #42D386

square

#4247D3 #D34290 #D3CE42 #42D386

split-complementary

#4247D3 #D38642 #90D342

monochromatic

#1D217D #292DAF #4247D3 #7477DF #A5A8EA

Accessibility & contrast

On white

6.83

#4247D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#4247D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4247D3

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4247D3	#FFFFFF	#000000	##FFFFFF
##4247D3	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061D7

Deuteranopia (green-blind)

#0054D0

Tritanopia (blue-blind)

#006C87

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4247d3;
/* rgb */ color: rgb(66, 71, 211);
/* oklch */ color: oklch(48.7% 0.210 273.9);

Tailwind

colors: {
  custom: {
    50: '#897be2',
    500: '#4247d3',
    950: '#000000',
  },
}

SCSS

$custom: #4247d3;
$custom-light: #897be2;
$custom-dark: #000000;

JSON

{
  "hex": "#4247d3",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 211
  },
  "hsl": {
    "h": 237.931,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.48732,
    "c": 0.20989,
    "h": 273.9
  },
  "luminance": 0.10368
}

Semantic roles & 50–950 ramp

primary

#4247D3

secondary

#D7D59A

accent

#E042E5

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0915

muted

#7E7B84

Preview Lab

Preview with #4247D3

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

Preview Lab → · Contrast checker → · Palette generator →