#4063C6#4063C6

#4063C6 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.8% C 0.159 H 266.3°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#4063C6
RGB	rgb(64, 99, 198)
HSL	hsl(224, 54%, 51%)
HSV	hsv(224, 68%, 78%)
CMYK	cmyk(67.7%, 50%, 0%, 22.4%)
CIE-LAB	lab(44.36, 20.24, -55.45)
CIE-LCH	lch(44.36, 59.03, 290.05°)
OKLab	oklab(52.76% -0.0101 -0.1591)
OKLCH	oklch(52.76% 0.159 266.3)
XYZ	xyz(16.7657, 14.0893, 55.2511)
Luminance	0.1409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4063C6 #C6A340

analogous

#40A6C6 #4063C6 #6040C6

triadic

#4063C6 #C64063 #63C640

tetradic

#4063C6 #C640A6 #C6A340 #40C660

square

#4063C6 #C640A6 #C6A340 #40C660

split-complementary

#4063C6 #C66040 #A6C640

monochromatic

#20346C #2E4A9B #4063C6 #6F89D4 #9EB0E2

Accessibility & contrast

On white

5.50

#4063C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#4063C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4063C6

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4063C6	#FFFFFF	#000000	##FFFFFF
##4063C6	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A6FCA

Deuteranopia (green-blind)

#0063C4

Tritanopia (blue-blind)

#007A8B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4063c6;
/* rgb */ color: rgb(64, 99, 198);
/* oklch */ color: oklch(52.8% 0.159 266.3);

Tailwind

colors: {
  custom: {
    50: '#848ed8',
    500: '#4063c6',
    950: '#000000',
  },
}

SCSS

$custom: #4063c6;
$custom-light: #848ed8;
$custom-dark: #000000;

JSON

{
  "hex": "#4063c6",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 198
  },
  "hsl": {
    "h": 224.328,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5276,
    "c": 0.15943,
    "h": 266.3
  },
  "luminance": 0.14091
}

Semantic roles & 50–950 ramp

primary

#4063C6

secondary

#CEBF93

accent

#B74ADD

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4063C6

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

Preview Lab → · Contrast checker → · Palette generator →