#4263C8#4263C8

#4263C8 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.0% C 0.162 H 267.1°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#4263C8
RGB	rgb(66, 99, 200)
HSL	hsl(225, 55%, 52%)
HSV	hsv(225, 67%, 78%)
CMYK	cmyk(67%, 50.5%, 0%, 21.6%)
CIE-LAB	lab(44.59, 21.27, -56.23)
CIE-LCH	lch(44.59, 60.12, 290.72°)
OKLab	oklab(53% -0.0081 -0.1614)
OKLCH	oklch(53% 0.162 267.1)
XYZ	xyz(17.1303, 14.2504, 56.4802)
Luminance	0.1425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4263C8 #C8A742

analogous

#42A6C8 #4263C8 #6442C8

triadic

#4263C8 #C84263 #63C842

tetradic

#4263C8 #C842A6 #C8A742 #42C864

square

#4263C8 #C842A6 #C8A742 #42C864

split-complementary

#4263C8 #C86442 #A6C842

monochromatic

#20346F #2E4A9F #4263C8 #718AD6 #A1B1E4

Accessibility & contrast

On white

5.45

#4263C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#4263C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263C8

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4263C8	#FFFFFF	#000000	##FFFFFF
##4263C8	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2870CC

Deuteranopia (green-blind)

#0064C6

Tritanopia (blue-blind)

#007B8C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4263c8;
/* rgb */ color: rgb(66, 99, 200);
/* oklch */ color: oklch(53.0% 0.162 267.1);

Tailwind

colors: {
  custom: {
    50: '#858ed9',
    500: '#4263c8',
    950: '#000000',
  },
}

SCSS

$custom: #4263c8;
$custom-light: #858ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#4263c8",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 200
  },
  "hsl": {
    "h": 225.224,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.53003,
    "c": 0.16156,
    "h": 267.1
  },
  "luminance": 0.14252
}

Semantic roles & 50–950 ramp

primary

#4263C8

secondary

#D0C296

accent

#BA4ADE

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4263C8

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

Preview Lab → · Contrast checker → · Palette generator →