#4247C5#4247C5

#4247C5 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.5% C 0.192 H 274.6°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#4247C5
RGB	rgb(66, 71, 197)
HSL	hsl(238, 53%, 52%)
HSV	hsv(238, 66%, 77%)
CMYK	cmyk(66.5%, 64%, 0%, 22.7%)
CIE-LAB	lab(37.29, 37.93, -66.35)
CIE-LCH	lch(37.29, 76.43, 299.76°)
OKLab	oklab(47.49% 0.0154 -0.1914)
OKLCH	oklch(47.49% 0.192 274.6)
XYZ	xyz(14.5747, 9.6946, 53.9157)
Luminance	0.0970 (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

#4247C5 #C5C042

analogous

#4289C5 #4247C5 #7F42C5

triadic

#4247C5 #C54247 #47C542

tetradic

#4247C5 #C54289 #C5C042 #42C57F

square

#4247C5 #C54289 #C5C042 #42C57F

split-complementary

#4247C5 #C57F42 #89C542

monochromatic

#21246C #2F339A #4247C5 #7175D3 #A0A2E2

Accessibility & contrast

On white

7.14

#4247C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#4247C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4247C5

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4247C5	#FFFFFF	#000000	##FFFFFF
##4247C5	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC9

Deuteranopia (green-blind)

#0052C3

Tritanopia (blue-blind)

#00677F

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4247c5;
/* rgb */ color: rgb(66, 71, 197);
/* oklch */ color: oklch(47.5% 0.192 274.6);

Tailwind

colors: {
  custom: {
    50: '#867ad8',
    500: '#4247c5',
    950: '#000000',
  },
}

SCSS

$custom: #4247c5;
$custom-light: #867ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#4247c5",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 197
  },
  "hsl": {
    "h": 237.71,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.47485,
    "c": 0.19203,
    "h": 274.6
  },
  "luminance": 0.09696
}

Semantic roles & 50–950 ramp

primary

#4247C5

secondary

#CECC95

accent

#D74BDC

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #4247C5

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

Preview Lab → · Contrast checker → · Palette generator →