#4253C1#4253C1

#4253C1 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.3% C 0.172 H 271.9°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#4253C1
RGB	rgb(66, 83, 193)
HSL	hsl(232, 51%, 51%)
HSV	hsv(232, 66%, 76%)
CMYK	cmyk(65.8%, 57%, 0%, 24.3%)
CIE-LAB	lab(39.90, 29.01, -59.76)
CIE-LCH	lch(39.90, 66.42, 295.89°)
OKLab	oklab(49.32% 0.0057 -0.1719)
OKLCH	oklch(49.32% 0.172 271.9)
XYZ	xyz(14.9624, 11.1937, 51.8138)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4253C1 #C1B042

analogous

#4292C1 #4253C1 #7142C1

triadic

#4253C1 #C14253 #53C142

tetradic

#4253C1 #C14292 #C1B042 #42C171

square

#4253C1 #C14292 #C1B042 #42C171

split-complementary

#4253C1 #C17142 #92C142

monochromatic

#222B67 #313E95 #4253C1 #707DD0 #9EA7DF

Accessibility & contrast

On white

6.48

#4253C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#4253C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4253C1

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4253C1	#FFFFFF	#000000	##FFFFFF
##4253C1	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C5

Deuteranopia (green-blind)

#0058BF

Tritanopia (blue-blind)

#006E82

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4253c1;
/* rgb */ color: rgb(66, 83, 193);
/* oklch */ color: oklch(49.3% 0.172 271.9);

Tailwind

colors: {
  custom: {
    50: '#8483d5',
    500: '#4253c1',
    950: '#000000',
  },
}

SCSS

$custom: #4253c1;
$custom-light: #8483d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4253c1",
  "rgb": {
    "r": 66,
    "g": 83,
    "b": 193
  },
  "hsl": {
    "h": 231.969,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.49319,
    "c": 0.17203,
    "h": 271.9
  },
  "luminance": 0.11195
}

Semantic roles & 50–950 ramp

primary

#4253C1

secondary

#CCC493

accent

#C74EDA

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4253C1

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

Preview Lab → · Contrast checker → · Palette generator →