#4663CC#4663CC

#4663CC is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.5% C 0.166 H 268.6°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#4663CC
RGB	rgb(70, 99, 204)
HSL	hsl(227, 57%, 54%)
HSV	hsv(227, 66%, 80%)
CMYK	cmyk(65.7%, 51.5%, 0%, 20%)
CIE-LAB	lab(45.06, 23.32, -57.77)
CIE-LCH	lch(45.06, 62.30, 291.99°)
OKLab	oklab(53.5% -0.004 -0.1658)
OKLCH	oklch(53.5% 0.166 268.6)
XYZ	xyz(17.8830, 14.5837, 58.9876)
Luminance	0.1459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4663CC #CCAF46

analogous

#46A6CC #4663CC #6C46CC

triadic

#4663CC #CC4663 #63CC46

tetradic

#4663CC #CC46A6 #CCAF46 #46CC6C

square

#4663CC #CC46A6 #CCAF46 #46CC6C

split-complementary

#4663CC #CC6C46 #A6CC46

monochromatic

#213377 #2E48A7 #4663CC #768BD9 #A6B4E6

Accessibility & contrast

On white

5.36

#4663CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#4663CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4663CC

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4663CC	#FFFFFF	#000000	##FFFFFF
##4663CC	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2371D0

Deuteranopia (green-blind)

#0065CA

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4663cc;
/* rgb */ color: rgb(70, 99, 204);
/* oklch */ color: oklch(53.5% 0.166 268.6);

Tailwind

colors: {
  custom: {
    50: '#878fdc',
    500: '#4663cc',
    950: '#000000',
  },
}

SCSS

$custom: #4663cc;
$custom-light: #878fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4663cc",
  "rgb": {
    "r": 70,
    "g": 99,
    "b": 204
  },
  "hsl": {
    "h": 227.015,
    "s": 56.78,
    "l": 53.725
  },
  "oklch": {
    "l": 0.53498,
    "c": 0.16584,
    "h": 268.6
  },
  "luminance": 0.14585
}

Semantic roles & 50–950 ramp

primary

#4663CC

secondary

#D4C79A

accent

#BF48E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0D0C15

muted

#7D7D83

Preview Lab

Preview with #4663CC

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

Preview Lab → · Contrast checker → · Palette generator →