#4253C3#4253C3

#4253C3 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.5% C 0.175 H 271.9°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#4253C3
RGB	rgb(66, 83, 195)
HSL	hsl(232, 52%, 51%)
HSV	hsv(232, 66%, 76%)
CMYK	cmyk(66.2%, 57.4%, 0%, 23.5%)
CIE-LAB	lab(40.05, 29.71, -60.68)
CIE-LCH	lch(40.05, 67.56, 296.09°)
OKLab	oklab(49.48% 0.0057 -0.1746)
OKLCH	oklch(49.48% 0.175 271.9)
XYZ	xyz(15.1870, 11.2835, 52.9968)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4253C3 #C3B242

analogous

#4293C3 #4253C3 #7142C3

triadic

#4253C3 #C34253 #53C342

tetradic

#4253C3 #C34293 #C3B242 #42C371

square

#4253C3 #C34293 #C3B242 #42C371

split-complementary

#4253C3 #C37142 #93C342

monochromatic

#212B69 #303E98 #4253C3 #707DD2 #9FA8E0

Accessibility & contrast

On white

6.45

#4253C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#4253C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4253C3

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4253C3	#FFFFFF	#000000	##FFFFFF
##4253C3	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C7

Deuteranopia (green-blind)

#0059C1

Tritanopia (blue-blind)

#006E83

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4253c3;
/* rgb */ color: rgb(66, 83, 195);
/* oklch */ color: oklch(49.5% 0.175 271.9);

Tailwind

colors: {
  custom: {
    50: '#8583d6',
    500: '#4253c3',
    950: '#000000',
  },
}

SCSS

$custom: #4253c3;
$custom-light: #8583d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4253c3",
  "rgb": {
    "r": 66,
    "g": 83,
    "b": 195
  },
  "hsl": {
    "h": 232.093,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.49477,
    "c": 0.17474,
    "h": 271.9
  },
  "luminance": 0.11285
}

Semantic roles & 50–950 ramp

primary

#4253C3

secondary

#CDC594

accent

#C84DDB

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4253C3

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

Preview Lab → · Contrast checker → · Palette generator →