#4663BF#4663BF

#4663BF is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.6% C 0.148 H 267.9°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#4663BF
RGB	rgb(70, 99, 191)
HSL	hsl(226, 49%, 51%)
HSV	hsv(226, 63%, 75%)
CMYK	cmyk(63.4%, 48.2%, 0%, 25.1%)
CIE-LAB	lab(44.21, 18.76, -51.62)
CIE-LCH	lch(44.21, 54.93, 289.97°)
OKLab	oklab(52.59% -0.0054 -0.1477)
OKLCH	oklch(52.59% 0.148 267.9)
XYZ	xyz(16.3884, 13.9859, 51.1160)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4663BF #BFA246

analogous

#469FBF #4663BF #6546BF

triadic

#4663BF #BF4663 #63BF46

tetradic

#4663BF #BF469F #BFA246 #46BF65

square

#4663BF #BF469F #BFA246 #46BF65

split-complementary

#4663BF #BF6546 #9FBF46

monochromatic

#243467 #334B94 #4663BF #7389CF #A1B0DE

Accessibility & contrast

On white

5.53

#4663BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#4663BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4663BF

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4663BF	#FFFFFF	#000000	##FFFFFF
##4663BF	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#346EC2

Deuteranopia (green-blind)

#1B63BD

Tritanopia (blue-blind)

#007888

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4663bf;
/* rgb */ color: rgb(70, 99, 191);
/* oklch */ color: oklch(52.6% 0.148 267.9);

Tailwind

colors: {
  custom: {
    50: '#858fd3',
    500: '#4663bf',
    950: '#000000',
  },
}

SCSS

$custom: #4663bf;
$custom-light: #858fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4663bf",
  "rgb": {
    "r": 70,
    "g": 99,
    "b": 191
  },
  "hsl": {
    "h": 225.62,
    "s": 48.594,
    "l": 51.176
  },
  "oklch": {
    "l": 0.52585,
    "c": 0.14782,
    "h": 267.9
  },
  "luminance": 0.13987
}

Semantic roles & 50–950 ramp

primary

#4663BF

secondary

#CBBE96

accent

#B750D8

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4663BF

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

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