#4252D1#4252D1

#4252D1 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.4% C 0.195 H 271.9°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4252D1
RGB	rgb(66, 82, 209)
HSL	hsl(233, 61%, 54%)
HSV	hsv(233, 68%, 82%)
CMYK	cmyk(68.4%, 60.8%, 0%, 18%)
CIE-LAB	lab(40.89, 35.22, -67.42)
CIE-LCH	lch(40.89, 76.07, 297.58°)
OKLab	oklab(50.43% 0.0065 -0.1945)
OKLCH	oklch(50.43% 0.195 271.9)
XYZ	xyz(16.7688, 11.7947, 61.7021)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4252D1 #D1C142

analogous

#429AD1 #4252D1 #7A42D1

triadic

#4252D1 #D14252 #52D142

tetradic

#4252D1 #D1429A #D1C142 #42D17A

square

#4252D1 #D1429A #D1C142 #42D17A

split-complementary

#4252D1 #D17A42 #9AD142

monochromatic

#1E287B #2A38AC #4252D1 #737FDD #A4ACE9

Accessibility & contrast

On white

6.25

#4252D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#4252D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4252D1

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4252D1	#FFFFFF	#000000	##FFFFFF
##4252D1	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D5

Deuteranopia (green-blind)

#005ACF

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4252d1;
/* rgb */ color: rgb(66, 82, 209);
/* oklch */ color: oklch(50.4% 0.195 271.9);

Tailwind

colors: {
  custom: {
    50: '#8882e0',
    500: '#4252d1',
    950: '#000000',
  },
}

SCSS

$custom: #4252d1;
$custom-light: #8882e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4252d1",
  "rgb": {
    "r": 66,
    "g": 82,
    "b": 209
  },
  "hsl": {
    "h": 233.287,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.50435,
    "c": 0.19459,
    "h": 271.9
  },
  "luminance": 0.11796
}

Semantic roles & 50–950 ramp

primary

#4252D1

secondary

#D6CF99

accent

#D244E4

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4252D1

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

Preview Lab → · Contrast checker → · Palette generator →