#4252AA#4252AA

#4252AA is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.4% C 0.141 H 272.2°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#4252AA
RGB	rgb(66, 82, 170)
HSL	hsl(231, 44%, 46%)
HSV	hsv(231, 61%, 67%)
CMYK	cmyk(61.2%, 51.8%, 0%, 33.3%)
CIE-LAB	lab(38.01, 21.58, -49.29)
CIE-LCH	lch(38.01, 53.81, 293.65°)
OKLab	oklab(47.38% 0.0054 -0.1412)
OKLCH	oklch(47.38% 0.141 272.2)
XYZ	xyz(12.5174, 10.0941, 39.3111)
Luminance	0.1009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4252AA #AA9A42

analogous

#4286AA #4252AA #6642AA

triadic

#4252AA #AA4252 #52AA42

tetradic

#4252AA #AA4286 #AA9A42 #42AA66

square

#4252AA #AA4286 #AA9A42 #42AA66

split-complementary

#4252AA #AA6642 #86AA42

monochromatic

#202752 #313D7E #4252AA #6674C3 #929CD5

Accessibility & contrast

On white

6.96

#4252AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#4252AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4252AA

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4252AA	#FFFFFF	#000000	##FFFFFF
##4252AA	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#205EAD

Deuteranopia (green-blind)

#0355A8

Tritanopia (blue-blind)

#006676

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4252aa;
/* rgb */ color: rgb(66, 82, 170);
/* oklch */ color: oklch(47.4% 0.141 272.2);

Tailwind

colors: {
  custom: {
    50: '#8082c4',
    500: '#4252aa',
    950: '#000000',
  },
}

SCSS

$custom: #4252aa;
$custom-light: #8082c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4252aa",
  "rgb": {
    "r": 66,
    "g": 82,
    "b": 170
  },
  "hsl": {
    "h": 230.769,
    "s": 44.068,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4738,
    "c": 0.14126,
    "h": 272.2
  },
  "luminance": 0.10095
}

Semantic roles & 50–950 ramp

primary

#4252AA

secondary

#C0B788

accent

#C054D4

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4252AA

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

Preview Lab → · Contrast checker → · Palette generator →