#4247CF#4247CF

#4247CF is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.4% C 0.205 H 274.1°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#4247CF
RGB	rgb(66, 71, 207)
HSL	hsl(238, 59%, 54%)
HSV	hsv(238, 68%, 81%)
CMYK	cmyk(68.1%, 65.7%, 0%, 18.8%)
CIE-LAB	lab(38.14, 41.31, -70.76)
CIE-LCH	lch(38.14, 81.93, 300.28°)
OKLab	oklab(48.37% 0.0146 -0.2043)
OKLCH	oklch(48.37% 0.205 274.1)
XYZ	xyz(15.7587, 10.1683, 60.1516)
Luminance	0.1017 (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

#4247CF #CFCA42

analogous

#428DCF #4247CF #8342CF

triadic

#4247CF #CF4247 #47CF42

tetradic

#4247CF #CF428D #CFCA42 #42CF83

square

#4247CF #CF428D #CFCA42 #42CF83

split-complementary

#4247CF #CF8342 #8DCF42

monochromatic

#1F2278 #2B2FA9 #4247CF #7377DB #A4A6E8

Accessibility & contrast

On white

6.92

#4247CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#4247CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4247CF

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4247CF	#FFFFFF	#000000	##FFFFFF
##4247CF	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D3

Deuteranopia (green-blind)

#0053CC

Tritanopia (blue-blind)

#006B85

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4247cf;
/* rgb */ color: rgb(66, 71, 207);
/* oklch */ color: oklch(48.4% 0.205 274.1);

Tailwind

colors: {
  custom: {
    50: '#887bdf',
    500: '#4247cf',
    950: '#000000',
  },
}

SCSS

$custom: #4247cf;
$custom-light: #887bdf;
$custom-dark: #000000;

JSON

{
  "hex": "#4247cf",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 207
  },
  "hsl": {
    "h": 237.872,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.48371,
    "c": 0.20485,
    "h": 274.1
  },
  "luminance": 0.1017
}

Semantic roles & 50–950 ramp

primary

#4247CF

secondary

#D5D298

accent

#DD45E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4247CF

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

Preview Lab → · Contrast checker → · Palette generator →