#4252D8#4252D8

#4252D8 is a mid, highly saturated blue. Relative luminance 0.122; OKLCH L 51.0% C 0.204 H 271.8°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#4252D8
RGB	rgb(66, 82, 216)
HSL	hsl(234, 66%, 55%)
HSV	hsv(234, 69%, 85%)
CMYK	cmyk(69.4%, 62%, 0%, 15.3%)
CIE-LAB	lab(41.45, 37.65, -70.52)
CIE-LCH	lch(41.45, 79.94, 298.09°)
OKLab	oklab(51.03% 0.0063 -0.2036)
OKLCH	oklch(51.03% 0.204 271.8)
XYZ	xyz(17.6545, 12.1490, 66.3670)
Luminance	0.1215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4252D8 #D8C842

analogous

#429DD8 #4252D8 #7D42D8

triadic

#4252D8 #D84252 #52D842

tetradic

#4252D8 #D8429D #D8C842 #42D87D

square

#4252D8 #D8429D #D8C842 #42D87D

split-complementary

#4252D8 #D87D42 #9DD842

monochromatic

#1B2784 #2635B7 #4252D8 #7580E2 #A7AFED

Accessibility & contrast

On white

6.12

#4252D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#4252D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4252D8

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4252D8	#FFFFFF	#000000	##FFFFFF
##4252D8	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DC

Deuteranopia (green-blind)

#005BD5

Tritanopia (blue-blind)

#00748D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4252d8;
/* rgb */ color: rgb(66, 82, 216);
/* oklch */ color: oklch(51.0% 0.204 271.8);

Tailwind

colors: {
  custom: {
    50: '#8982e5',
    500: '#4252d8',
    950: '#000000',
  },
}

SCSS

$custom: #4252d8;
$custom-light: #8982e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4252d8",
  "rgb": {
    "r": 66,
    "g": 82,
    "b": 216
  },
  "hsl": {
    "h": 233.6,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.51026,
    "c": 0.20366,
    "h": 271.8
  },
  "luminance": 0.12151
}

Semantic roles & 50–950 ramp

primary

#4252D8

secondary

#DAD49C

accent

#D73FE9

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #4252D8

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

Preview Lab → · Contrast checker → · Palette generator →