#4252BC#4252BC

#4252BC is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.7% C 0.166 H 272.2°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#4252BC
RGB	rgb(66, 82, 188)
HSL	hsl(232, 48%, 50%)
HSV	hsv(232, 65%, 74%)
CMYK	cmyk(64.9%, 56.4%, 0%, 26.3%)
CIE-LAB	lab(39.28, 27.89, -57.85)
CIE-LCH	lch(39.28, 64.22, 295.74°)
OKLab	oklab(48.74% 0.0064 -0.1663)
OKLCH	oklch(48.74% 0.166 272.2)
XYZ	xyz(14.3381, 10.8224, 48.9005)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4252BC #BCAC42

analogous

#428FBC #4252BC #6F42BC

triadic

#4252BC #BC4252 #52BC42

tetradic

#4252BC #BC428F #BCAC42 #42BC6F

square

#4252BC #BC428F #BCAC42 #42BC6F

split-complementary

#4252BC #BC6F42 #8FBC42

monochromatic

#222A61 #323E8F #4252BC #6F7BCC #9CA5DC

Accessibility & contrast

On white

6.64

#4252BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#4252BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4252BC

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4252BC	#FFFFFF	#000000	##FFFFFF
##4252BC	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#0057BA

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4252bc;
/* rgb */ color: rgb(66, 82, 188);
/* oklch */ color: oklch(48.7% 0.166 272.2);

Tailwind

colors: {
  custom: {
    50: '#8482d1',
    500: '#4252bc',
    950: '#000000',
  },
}

SCSS

$custom: #4252bc;
$custom-light: #8482d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4252bc",
  "rgb": {
    "r": 66,
    "g": 82,
    "b": 188
  },
  "hsl": {
    "h": 232.131,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48736,
    "c": 0.16647,
    "h": 272.2
  },
  "luminance": 0.10824
}

Semantic roles & 50–950 ramp

primary

#4252BC

secondary

#C9C191

accent

#C650D8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4252BC

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

Preview Lab → · Contrast checker → · Palette generator →