#4063CE#4063CE

#4063CE is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.3% C 0.170 H 266.9°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#4063CE
RGB	rgb(64, 99, 206)
HSL	hsl(225, 59%, 53%)
HSV	hsv(225, 69%, 81%)
CMYK	cmyk(68.9%, 51.9%, 0%, 19.2%)
CIE-LAB	lab(44.90, 23.11, -59.19)
CIE-LCH	lch(44.90, 63.54, 291.33°)
OKLab	oklab(53.34% -0.0093 -0.1701)
OKLCH	oklch(53.34% 0.17 266.9)
XYZ	xyz(17.7129, 14.4681, 60.2397)
Luminance	0.1447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4063CE #CEAB40

analogous

#40AACE #4063CE #6440CE

triadic

#4063CE #CE4063 #63CE40

tetradic

#4063CE #CE40AA #CEAB40 #40CE64

square

#4063CE #CE40AA #CEAB40 #40CE64

split-complementary

#4063CE #CE6440 #AACE40

monochromatic

#1E3475 #2B49A6 #4063CE #718BDA #A1B3E7

Accessibility & contrast

On white

5.39

#4063CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#4063CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4063CE

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4063CE	#FFFFFF	#000000	##FFFFFF
##4063CE	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E71D2

Deuteranopia (green-blind)

#0064CC

Tritanopia (blue-blind)

#007C8F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4063ce;
/* rgb */ color: rgb(64, 99, 206);
/* oklch */ color: oklch(53.3% 0.170 266.9);

Tailwind

colors: {
  custom: {
    50: '#858ede',
    500: '#4063ce',
    950: '#000000',
  },
}

SCSS

$custom: #4063ce;
$custom-light: #858ede;
$custom-dark: #000000;

JSON

{
  "hex": "#4063ce",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 206
  },
  "hsl": {
    "h": 225.211,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.53338,
    "c": 0.17037,
    "h": 266.9
  },
  "luminance": 0.1447
}

Semantic roles & 50–950 ramp

primary

#4063CE

secondary

#D4C496

accent

#BC45E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4063CE

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

Preview Lab → · Contrast checker → · Palette generator →