#4F63BE#4F63BE

#4F63BE is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.0% C 0.144 H 271.4°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#4F63BE
RGB	rgb(79, 99, 190)
HSL	hsl(229, 46%, 53%)
HSV	hsv(229, 58%, 75%)
CMYK	cmyk(58.4%, 47.9%, 0%, 25.5%)
CIE-LAB	lab(44.66, 20.11, -50.29)
CIE-LCH	lch(44.66, 54.16, 291.79°)
OKLab	oklab(53.04% 0.0035 -0.1436)
OKLCH	oklch(53.04% 0.144 271.4)
XYZ	xyz(16.9775, 14.3023, 50.5712)
Luminance	0.1430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F63BE #BEAA4F

analogous

#4F9BBE #4F63BE #724FBE

triadic

#4F63BE #BE4F63 #63BE4F

tetradic

#4F63BE #BE4F9B #BEAA4F #4FBE72

square

#4F63BE #BE4F9B #BEAA4F #4FBE72

split-complementary

#4F63BE #BE724F #9BBE4F

monochromatic

#28346B #384998 #4F63BE #7C8BCF #A8B2DF

Accessibility & contrast

On white

5.44

#4F63BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#4F63BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F63BE

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F63BE	#FFFFFF	#000000	##FFFFFF
##4F63BE	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376FC1

Deuteranopia (green-blind)

#2565BC

Tritanopia (blue-blind)

#007787

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4f63be;
/* rgb */ color: rgb(79, 99, 190);
/* oklch */ color: oklch(53.0% 0.144 271.4);

Tailwind

colors: {
  custom: {
    50: '#898fd2',
    500: '#4f63be',
    950: '#000000',
  },
}

SCSS

$custom: #4f63be;
$custom-light: #898fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f63be",
  "rgb": {
    "r": 79,
    "g": 99,
    "b": 190
  },
  "hsl": {
    "h": 229.189,
    "s": 46.058,
    "l": 52.745
  },
  "oklch": {
    "l": 0.53044,
    "c": 0.14365,
    "h": 271.4
  },
  "luminance": 0.14304
}

Semantic roles & 50–950 ramp

primary

#4F63BE

secondary

#CCC49C

accent

#BE52D6

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4F63BE

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

Preview Lab → · Contrast checker → · Palette generator →