#4247CE#4247CE

#4247CE is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.3% C 0.204 H 274.1°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#4247CE
RGB	rgb(66, 71, 206)
HSL	hsl(238, 59%, 53%)
HSV	hsv(238, 68%, 81%)
CMYK	cmyk(68%, 65.5%, 0%, 19.2%)
CIE-LAB	lab(38.06, 40.97, -70.32)
CIE-LCH	lch(38.06, 81.39, 300.23°)
OKLab	oklab(48.28% 0.0147 -0.203)
OKLCH	oklch(48.28% 0.204 274.1)
XYZ	xyz(15.6369, 10.1195, 59.5098)
Luminance	0.1012 (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

#4247CE #CEC942

analogous

#428DCE #4247CE #8342CE

triadic

#4247CE #CE4247 #47CE42

tetradic

#4247CE #CE428D #CEC942 #42CE83

square

#4247CE #CE428D #CEC942 #42CE83

split-complementary

#4247CE #CE8342 #8DCE42

monochromatic

#1F2277 #2B30A7 #4247CE #7376DB #A3A6E7

Accessibility & contrast

On white

6.94

#4247CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#4247CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4247CE

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4247CE	#FFFFFF	#000000	##FFFFFF
##4247CE	1.00	6.94	3.02	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D2

Deuteranopia (green-blind)

#0053CB

Tritanopia (blue-blind)

#006A84

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4247ce;
/* rgb */ color: rgb(66, 71, 206);
/* oklch */ color: oklch(48.3% 0.204 274.1);

Tailwind

colors: {
  custom: {
    50: '#887bde',
    500: '#4247ce',
    950: '#000000',
  },
}

SCSS

$custom: #4247ce;
$custom-light: #887bde;
$custom-dark: #000000;

JSON

{
  "hex": "#4247ce",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 206
  },
  "hsl": {
    "h": 237.857,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.48281,
    "c": 0.20358,
    "h": 274.1
  },
  "luminance": 0.10121
}

Semantic roles & 50–950 ramp

primary

#4247CE

secondary

#D4D298

accent

#DC46E2

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4247CE

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

Preview Lab → · Contrast checker → · Palette generator →