#4252A4#4252A4

#4252A4 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.9% C 0.133 H 272.1°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#4252A4
RGB	rgb(66, 82, 164)
HSL	hsl(230, 43%, 45%)
HSV	hsv(230, 60%, 64%)
CMYK	cmyk(59.8%, 50%, 0%, 35.7%)
CIE-LAB	lab(37.61, 19.49, -46.36)
CIE-LCH	lch(37.61, 50.29, 292.80°)
OKLab	oklab(46.95% 0.0048 -0.1325)
OKLCH	oklch(46.95% 0.133 272.1)
XYZ	xyz(11.9627, 9.8722, 36.3899)
Luminance	0.0987 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4252A4 #A49442

analogous

#4283A4 #4252A4 #6342A4

triadic

#4252A4 #A44252 #52A442

tetradic

#4252A4 #A44283 #A49442 #42A463

square

#4252A4 #A44283 #A49442 #42A463

split-complementary

#4252A4 #A46342 #83A442

monochromatic

#1F264D #303C78 #4252A4 #6372C0 #8F9AD2

Accessibility & contrast

On white

7.06

#4252A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#4252A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4252A4

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4252A4	#FFFFFF	#000000	##FFFFFF
##4252A4	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285DA7

Deuteranopia (green-blind)

#1654A2

Tritanopia (blue-blind)

#006573

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4252a4;
/* rgb */ color: rgb(66, 82, 164);
/* oklch */ color: oklch(46.9% 0.133 272.1);

Tailwind

colors: {
  custom: {
    50: '#7f82bf',
    500: '#4252a4',
    950: '#000000',
  },
}

SCSS

$custom: #4252a4;
$custom-light: #7f82bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4252a4",
  "rgb": {
    "r": 66,
    "g": 82,
    "b": 164
  },
  "hsl": {
    "h": 230.204,
    "s": 42.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4695,
    "c": 0.13263,
    "h": 272.1
  },
  "luminance": 0.09873
}

Semantic roles & 50–950 ramp

primary

#4252A4

secondary

#BDB485

accent

#BE55D2

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #4252A4

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

Preview Lab → · Contrast checker → · Palette generator →