#4252B2#4252B2

#4252B2 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.0% C 0.153 H 272.2°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#4252B2
RGB	rgb(66, 82, 178)
HSL	hsl(231, 46%, 48%)
HSV	hsv(231, 63%, 70%)
CMYK	cmyk(62.9%, 53.9%, 0%, 30.2%)
CIE-LAB	lab(38.56, 24.38, -53.14)
CIE-LCH	lch(38.56, 58.47, 294.65°)
OKLab	oklab(47.97% 0.006 -0.1525)
OKLCH	oklch(47.97% 0.153 272.2)
XYZ	xyz(13.2973, 10.4061, 43.4187)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4252B2 #B2A242

analogous

#428AB2 #4252B2 #6A42B2

triadic

#4252B2 #B24252 #52B242

tetradic

#4252B2 #B2428A #B2A242 #42B26A

square

#4252B2 #B2428A #B2A242 #42B26A

split-complementary

#4252B2 #B26A42 #8AB242

monochromatic

#212959 #313D85 #4252B2 #6A77C8 #96A0D8

Accessibility & contrast

On white

6.82

#4252B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#4252B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4252B2

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4252B2	#FFFFFF	#000000	##FFFFFF
##4252B2	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1260B5

Deuteranopia (green-blind)

#0056B0

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4252b2;
/* rgb */ color: rgb(66, 82, 178);
/* oklch */ color: oklch(48.0% 0.153 272.2);

Tailwind

colors: {
  custom: {
    50: '#8282ca',
    500: '#4252b2',
    950: '#000000',
  },
}

SCSS

$custom: #4252b2;
$custom-light: #8282ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4252b2",
  "rgb": {
    "r": 66,
    "g": 82,
    "b": 178
  },
  "hsl": {
    "h": 231.429,
    "s": 45.902,
    "l": 47.843
  },
  "oklch": {
    "l": 0.4797,
    "c": 0.1526,
    "h": 272.2
  },
  "luminance": 0.10407
}

Semantic roles & 50–950 ramp

primary

#4252B2

secondary

#C4BC8C

accent

#C352D6

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4252B2

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

Preview Lab → · Contrast checker → · Palette generator →