#4063C5#4063C5

#4063C5 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.7% C 0.158 H 266.3°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4063C5
RGB	rgb(64, 99, 197)
HSL	hsl(224, 53%, 51%)
HSV	hsv(224, 68%, 77%)
CMYK	cmyk(67.5%, 49.7%, 0%, 22.7%)
CIE-LAB	lab(44.30, 19.88, -54.98)
CIE-LCH	lch(44.30, 58.46, 289.88°)
OKLab	oklab(52.69% -0.0103 -0.1577)
OKLCH	oklch(52.69% 0.158 266.3)
XYZ	xyz(16.6507, 14.0433, 54.6456)
Luminance	0.1404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4063C5 #C5A240

analogous

#40A5C5 #4063C5 #5F40C5

triadic

#4063C5 #C54063 #63C540

tetradic

#4063C5 #C540A5 #C5A240 #40C55F

square

#4063C5 #C540A5 #C5A240 #40C55F

split-complementary

#4063C5 #C55F40 #A5C540

monochromatic

#20346A #2F4B99 #4063C5 #6F89D3 #9EB0E2

Accessibility & contrast

On white

5.51

#4063C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#4063C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4063C5

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4063C5	#FFFFFF	#000000	##FFFFFF
##4063C5	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C6FC9

Deuteranopia (green-blind)

#0063C3

Tritanopia (blue-blind)

#007A8B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4063c5;
/* rgb */ color: rgb(64, 99, 197);
/* oklch */ color: oklch(52.7% 0.158 266.3);

Tailwind

colors: {
  custom: {
    50: '#838ed7',
    500: '#4063c5',
    950: '#000000',
  },
}

SCSS

$custom: #4063c5;
$custom-light: #838ed7;
$custom-dark: #000000;

JSON

{
  "hex": "#4063c5",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 197
  },
  "hsl": {
    "h": 224.211,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.52689,
    "c": 0.15805,
    "h": 266.3
  },
  "luminance": 0.14045
}

Semantic roles & 50–950 ramp

primary

#4063C5

secondary

#CEBE93

accent

#B64BDD

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4063C5

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

Preview Lab → · Contrast checker → · Palette generator →