#4063C8#4063C8

#4063C8 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.9% C 0.162 H 266.5°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#4063C8
RGB	rgb(64, 99, 200)
HSL	hsl(225, 55%, 52%)
HSV	hsv(225, 68%, 78%)
CMYK	cmyk(68%, 50.5%, 0%, 21.6%)
CIE-LAB	lab(44.49, 20.96, -56.39)
CIE-LCH	lch(44.49, 60.16, 290.39°)
OKLab	oklab(52.9% -0.0099 -0.1619)
OKLCH	oklch(52.9% 0.162 266.5)
XYZ	xyz(16.9979, 14.1821, 56.4740)
Luminance	0.1418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4063C8 #C8A540

analogous

#40A7C8 #4063C8 #6140C8

triadic

#4063C8 #C84063 #63C840

tetradic

#4063C8 #C840A7 #C8A540 #40C861

square

#4063C8 #C840A7 #C8A540 #40C861

split-complementary

#4063C8 #C86140 #A7C840

monochromatic

#20346E #2D4A9D #4063C8 #708AD6 #9FB1E3

Accessibility & contrast

On white

5.47

#4063C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#4063C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4063C8

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4063C8	#FFFFFF	#000000	##FFFFFF
##4063C8	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)

#2870CC

Deuteranopia (green-blind)

#0063C6

Tritanopia (blue-blind)

#007B8C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4063c8;
/* rgb */ color: rgb(64, 99, 200);
/* oklch */ color: oklch(52.9% 0.162 266.5);

Tailwind

colors: {
  custom: {
    50: '#848ed9',
    500: '#4063c8',
    950: '#000000',
  },
}

SCSS

$custom: #4063c8;
$custom-light: #848ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#4063c8",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 200
  },
  "hsl": {
    "h": 224.559,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.52903,
    "c": 0.16217,
    "h": 266.5
  },
  "luminance": 0.14184
}

Semantic roles & 50–950 ramp

primary

#4063C8

secondary

#D0C094

accent

#B849DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4063C8

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

Preview Lab → · Contrast checker → · Palette generator →