#4253BD#4253BD

#4253BD is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.0% C 0.167 H 271.9°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#4253BD
RGB	rgb(66, 83, 189)
HSL	hsl(232, 48%, 50%)
HSV	hsv(232, 65%, 74%)
CMYK	cmyk(65.1%, 56.1%, 0%, 25.9%)
CIE-LAB	lab(39.61, 27.60, -57.90)
CIE-LCH	lch(39.61, 64.14, 295.49°)
OKLab	oklab(49.01% 0.0056 -0.1665)
OKLCH	oklch(49.01% 0.167 271.9)
XYZ	xyz(14.5223, 11.0176, 49.4955)
Luminance	0.1102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4253BD #BDAC42

analogous

#4291BD #4253BD #6E42BD

triadic

#4253BD #BD4253 #53BD42

tetradic

#4253BD #BD4291 #BDAC42 #42BD6E

square

#4253BD #BD4291 #BDAC42 #42BD6E

split-complementary

#4253BD #BD6E42 #91BD42

monochromatic

#222B62 #323F90 #4253BD #6F7CCD #9DA6DD

Accessibility & contrast

On white

6.55

#4253BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#4253BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4253BD

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4253BD	#FFFFFF	#000000	##FFFFFF
##4253BD	1.00	6.55	3.20	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C1

Deuteranopia (green-blind)

#0058BB

Tritanopia (blue-blind)

#006C80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4253bd;
/* rgb */ color: rgb(66, 83, 189);
/* oklch */ color: oklch(49.0% 0.167 271.9);

Tailwind

colors: {
  custom: {
    50: '#8483d2',
    500: '#4253bd',
    950: '#000000',
  },
}

SCSS

$custom: #4253bd;
$custom-light: #8483d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4253bd",
  "rgb": {
    "r": 66,
    "g": 83,
    "b": 189
  },
  "hsl": {
    "h": 231.707,
    "s": 48.235,
    "l": 50
  },
  "oklch": {
    "l": 0.49006,
    "c": 0.16657,
    "h": 271.9
  },
  "luminance": 0.11019
}

Semantic roles & 50–950 ramp

primary

#4253BD

secondary

#C9C192

accent

#C550D8

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4253BD

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

Preview Lab → · Contrast checker → · Palette generator →