#4253C7#4253C7

#4253C7 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.8% C 0.180 H 271.8°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#4253C7
RGB	rgb(66, 83, 199)
HSL	hsl(232, 54%, 52%)
HSV	hsv(232, 67%, 78%)
CMYK	cmyk(66.8%, 58.3%, 0%, 22%)
CIE-LAB	lab(40.36, 31.11, -62.51)
CIE-LCH	lch(40.36, 69.82, 296.46°)
OKLab	oklab(49.8% 0.0058 -0.18)
OKLCH	oklch(49.8% 0.18 271.8)
XYZ	xyz(15.6454, 11.4668, 55.4106)
Luminance	0.1147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4253C7 #C7B642

analogous

#4296C7 #4253C7 #7442C7

triadic

#4253C7 #C74253 #53C742

tetradic

#4253C7 #C74296 #C7B642 #42C774

square

#4253C7 #C74296 #C7B642 #42C774

split-complementary

#4253C7 #C77442 #96C742

monochromatic

#212A6E #2F3D9D #4253C7 #717ED5 #A0A9E3

Accessibility & contrast

On white

6.38

#4253C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#4253C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4253C7

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4253C7	#FFFFFF	#000000	##FFFFFF
##4253C7	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CB

Deuteranopia (green-blind)

#0059C5

Tritanopia (blue-blind)

#007085

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4253c7;
/* rgb */ color: rgb(66, 83, 199);
/* oklch */ color: oklch(49.8% 0.180 271.8);

Tailwind

colors: {
  custom: {
    50: '#8683d9',
    500: '#4253c7',
    950: '#000000',
  },
}

SCSS

$custom: #4253c7;
$custom-light: #8683d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4253c7",
  "rgb": {
    "r": 66,
    "g": 83,
    "b": 199
  },
  "hsl": {
    "h": 232.331,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.49797,
    "c": 0.18013,
    "h": 271.8
  },
  "luminance": 0.11468
}

Semantic roles & 50–950 ramp

primary

#4253C7

secondary

#D0C895

accent

#CB4ADE

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4253C7

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

Preview Lab → · Contrast checker → · Palette generator →