#4252BB#4252BB

#4252BB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.7% C 0.165 H 272.2°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#4252BB
RGB	rgb(66, 82, 187)
HSL	hsl(232, 48%, 50%)
HSV	hsv(232, 65%, 73%)
CMYK	cmyk(64.7%, 56.1%, 0%, 26.7%)
CIE-LAB	lab(39.21, 27.54, -57.38)
CIE-LCH	lch(39.21, 63.65, 295.64°)
OKLab	oklab(48.66% 0.0064 -0.165)
OKLCH	oklch(48.66% 0.165 272.2)
XYZ	xyz(14.2307, 10.7794, 48.3348)
Luminance	0.1078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4252BB #BBAB42

analogous

#428FBB #4252BB #6F42BB

triadic

#4252BB #BB4252 #52BB42

tetradic

#4252BB #BB428F #BBAB42 #42BB6F

square

#4252BB #BB428F #BBAB42 #42BB6F

split-complementary

#4252BB #BB6F42 #8FBB42

monochromatic

#222A61 #323E8E #4252BB #6E7BCC #9CA4DC

Accessibility & contrast

On white

6.65

#4252BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#4252BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4252BB

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4252BB	#FFFFFF	#000000	##FFFFFF
##4252BB	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#006B7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4252bb;
/* rgb */ color: rgb(66, 82, 187);
/* oklch */ color: oklch(48.7% 0.165 272.2);

Tailwind

colors: {
  custom: {
    50: '#8382d0',
    500: '#4252bb',
    950: '#000000',
  },
}

SCSS

$custom: #4252bb;
$custom-light: #8382d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4252bb",
  "rgb": {
    "r": 66,
    "g": 82,
    "b": 187
  },
  "hsl": {
    "h": 232.066,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.48658,
    "c": 0.1651,
    "h": 272.2
  },
  "luminance": 0.10781
}

Semantic roles & 50–950 ramp

primary

#4252BB

secondary

#C8C191

accent

#C650D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4252BB

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

Preview Lab → · Contrast checker → · Palette generator →