#4263C7#4263C7

#4263C7 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.9% C 0.160 H 267.1°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#4263C7
RGB	rgb(66, 99, 199)
HSL	hsl(225, 54%, 52%)
HSV	hsv(225, 67%, 78%)
CMYK	cmyk(66.8%, 50.3%, 0%, 22%)
CIE-LAB	lab(44.52, 20.91, -55.76)
CIE-LCH	lch(44.52, 59.55, 290.56°)
OKLab	oklab(52.93% -0.0082 -0.16)
OKLCH	oklch(52.93% 0.16 267.1)
XYZ	xyz(17.0138, 14.2038, 55.8667)
Luminance	0.1421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4263C7 #C7A642

analogous

#42A6C7 #4263C7 #6442C7

triadic

#4263C7 #C74263 #63C742

tetradic

#4263C7 #C742A6 #C7A642 #42C764

square

#4263C7 #C742A6 #C7A642 #42C764

split-complementary

#4263C7 #C76442 #A6C742

monochromatic

#21346E #2F4A9D #4263C7 #718AD5 #A0B1E3

Accessibility & contrast

On white

5.47

#4263C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#4263C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263C7

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4263C7	#FFFFFF	#000000	##FFFFFF
##4263C7	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2970CB

Deuteranopia (green-blind)

#0064C5

Tritanopia (blue-blind)

#007A8B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4263c7;
/* rgb */ color: rgb(66, 99, 199);
/* oklch */ color: oklch(52.9% 0.160 267.1);

Tailwind

colors: {
  custom: {
    50: '#858ed9',
    500: '#4263c7',
    950: '#000000',
  },
}

SCSS

$custom: #4263c7;
$custom-light: #858ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#4263c7",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 199
  },
  "hsl": {
    "h": 225.113,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.52932,
    "c": 0.16018,
    "h": 267.1
  },
  "luminance": 0.14205
}

Semantic roles & 50–950 ramp

primary

#4263C7

secondary

#D0C195

accent

#B94ADE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4263C7

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

Preview Lab → · Contrast checker → · Palette generator →