#4247D9#4247D9

#4247D9 is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.3% C 0.217 H 273.6°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#4247D9
RGB	rgb(66, 71, 217)
HSL	hsl(238, 67%, 55%)
HSV	hsv(238, 70%, 85%)
CMYK	cmyk(69.6%, 67.3%, 0%, 14.9%)
CIE-LAB	lab(39.02, 44.65, -75.07)
CIE-LCH	lch(39.02, 87.35, 300.74°)
OKLab	oklab(49.28% 0.0136 -0.2169)
OKLCH	oklch(49.28% 0.217 273.6)
XYZ	xyz(17.0202, 10.6728, 66.7953)
Luminance	0.1067 (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

#4247D9 #D9D442

analogous

#4293D9 #4247D9 #8842D9

triadic

#4247D9 #D94247 #47D942

tetradic

#4247D9 #D94293 #D9D442 #42D988

square

#4247D9 #D94293 #D9D442 #42D988

split-complementary

#4247D9 #D98842 #93D942

monochromatic

#1B1E86 #252AB9 #4247D9 #7579E3 #A8AAED

Accessibility & contrast

On white

6.70

#4247D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#4247D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4247D9

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4247D9	#FFFFFF	#000000	##FFFFFF
##4247D9	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063DD

Deuteranopia (green-blind)

#0055D6

Tritanopia (blue-blind)

#006E8A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4247d9;
/* rgb */ color: rgb(66, 71, 217);
/* oklch */ color: oklch(49.3% 0.217 273.6);

Tailwind

colors: {
  custom: {
    50: '#8a7be6',
    500: '#4247d9',
    950: '#000000',
  },
}

SCSS

$custom: #4247d9;
$custom-light: #8a7be6;
$custom-dark: #000000;

JSON

{
  "hex": "#4247d9",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 217
  },
  "hsl": {
    "h": 238.013,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.4928,
    "c": 0.21737,
    "h": 273.6
  },
  "luminance": 0.10674
}

Semantic roles & 50–950 ramp

primary

#4247D9

secondary

#DBD99C

accent

#E43EE9

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #4247D9

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

Preview Lab → · Contrast checker → · Palette generator →