#4063CD#4063CD

#4063CD is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.3% C 0.169 H 266.8°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#4063CD
RGB	rgb(64, 99, 205)
HSL	hsl(225, 59%, 53%)
HSV	hsv(225, 69%, 80%)
CMYK	cmyk(68.8%, 51.7%, 0%, 19.6%)
CIE-LAB	lab(44.83, 22.75, -58.73)
CIE-LCH	lch(44.83, 62.98, 291.18°)
OKLab	oklab(53.26% -0.0094 -0.1687)
OKLCH	oklch(53.26% 0.169 266.8)
XYZ	xyz(17.5918, 14.4197, 59.6019)
Luminance	0.1442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4063CD #CDAA40

analogous

#40AACD #4063CD #6340CD

triadic

#4063CD #CD4063 #63CD40

tetradic

#4063CD #CD40AA #CDAA40 #40CD63

square

#4063CD #CD40AA #CDAA40 #40CD63

split-complementary

#4063CD #CD6340 #AACD40

monochromatic

#1E3474 #2B49A5 #4063CD #718BDA #A1B2E6

Accessibility & contrast

On white

5.41

#4063CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#4063CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4063CD

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4063CD	#FFFFFF	#000000	##FFFFFF
##4063CD	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F71D1

Deuteranopia (green-blind)

#0064CB

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4063cd;
/* rgb */ color: rgb(64, 99, 205);
/* oklch */ color: oklch(53.3% 0.169 266.8);

Tailwind

colors: {
  custom: {
    50: '#858edd',
    500: '#4063cd',
    950: '#000000',
  },
}

SCSS

$custom: #4063cd;
$custom-light: #858edd;
$custom-dark: #000000;

JSON

{
  "hex": "#4063cd",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 205
  },
  "hsl": {
    "h": 225.106,
    "s": 58.506,
    "l": 52.745
  },
  "oklch": {
    "l": 0.53265,
    "c": 0.169,
    "h": 266.8
  },
  "luminance": 0.14421
}

Semantic roles & 50–950 ramp

primary

#4063CD

secondary

#D3C496

accent

#BB46E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4063CD

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

Preview Lab → · Contrast checker → · Palette generator →