#4252B3#4252B3

#4252B3 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.0% C 0.154 H 272.2°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#4252B3
RGB	rgb(66, 82, 179)
HSL	hsl(232, 46%, 48%)
HSV	hsv(232, 63%, 70%)
CMYK	cmyk(63.1%, 54.2%, 0%, 29.8%)
CIE-LAB	lab(38.63, 24.74, -53.61)
CIE-LCH	lch(38.63, 59.04, 294.77°)
OKLab	oklab(48.05% 0.006 -0.1539)
OKLCH	oklch(48.05% 0.154 272.2)
XYZ	xyz(13.3980, 10.4464, 43.9494)
Luminance	0.1045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4252B3 #B3A342

analogous

#428BB3 #4252B3 #6A42B3

triadic

#4252B3 #B34252 #52B342

tetradic

#4252B3 #B3428B #B3A342 #42B36A

square

#4252B3 #B3428B #B3A342 #42B36A

split-complementary

#4252B3 #B36A42 #8BB342

monochromatic

#21295A #323E86 #4252B3 #6A77C8 #97A0D9

Accessibility & contrast

On white

6.80

#4252B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#4252B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4252B3

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4252B3	#FFFFFF	#000000	##FFFFFF
##4252B3	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F60B6

Deuteranopia (green-blind)

#0056B1

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4252b3;
/* rgb */ color: rgb(66, 82, 179);
/* oklch */ color: oklch(48.0% 0.154 272.2);

Tailwind

colors: {
  custom: {
    50: '#8282ca',
    500: '#4252b3',
    950: '#000000',
  },
}

SCSS

$custom: #4252b3;
$custom-light: #8282ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4252b3",
  "rgb": {
    "r": 66,
    "g": 82,
    "b": 179
  },
  "hsl": {
    "h": 231.504,
    "s": 46.122,
    "l": 48.039
  },
  "oklch": {
    "l": 0.48045,
    "c": 0.154,
    "h": 272.2
  },
  "luminance": 0.10448
}

Semantic roles & 50–950 ramp

primary

#4252B3

secondary

#C4BC8C

accent

#C352D6

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4252B3

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

Preview Lab → · Contrast checker → · Palette generator →