#4063BE#4063BE

#4063BE is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.2% C 0.148 H 265.7°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#4063BE
RGB	rgb(64, 99, 190)
HSL	hsl(223, 50%, 50%)
HSV	hsv(223, 66%, 75%)
CMYK	cmyk(66.3%, 47.9%, 0%, 25.5%)
CIE-LAB	lab(43.84, 17.37, -51.65)
CIE-LCH	lch(43.84, 54.50, 288.58°)
OKLab	oklab(52.2% -0.0112 -0.1479)
OKLCH	oklch(52.2% 0.148 265.7)
XYZ	xyz(15.8672, 13.7299, 50.5191)
Luminance	0.1373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4063BE #BE9B40

analogous

#40A2BE #4063BE #5C40BE

triadic

#4063BE #BE4063 #63BE40

tetradic

#4063BE #BE40A2 #BE9B40 #40BE5C

square

#4063BE #BE40A2 #BE9B40 #40BE5C

split-complementary

#4063BE #BE5C40 #A2BE40

monochromatic

#213362 #314B90 #4063BE #6D88CE #9BADDD

Accessibility & contrast

On white

5.61

#4063BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#4063BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4063BE

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4063BE	#FFFFFF	#000000	##FFFFFF
##4063BE	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336EC1

Deuteranopia (green-blind)

#1762BC

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4063be;
/* rgb */ color: rgb(64, 99, 190);
/* oklch */ color: oklch(52.2% 0.148 265.7);

Tailwind

colors: {
  custom: {
    50: '#828ed2',
    500: '#4063be',
    950: '#000000',
  },
}

SCSS

$custom: #4063be;
$custom-light: #828ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#4063be",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 190
  },
  "hsl": {
    "h": 223.333,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.522,
    "c": 0.14835,
    "h": 265.7
  },
  "luminance": 0.13731
}

Semantic roles & 50–950 ramp

primary

#4063BE

secondary

#C9BA90

accent

#B34FD9

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4063BE

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

Preview Lab → · Contrast checker → · Palette generator →