#4F63DA#4F63DA

#4F63DA is a mid, vivid blue. Relative luminance 0.156; OKLCH L 55.0% C 0.182 H 271.9°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#4F63DA
RGB	rgb(79, 99, 218)
HSL	hsl(231, 65%, 58%)
HSV	hsv(231, 64%, 85%)
CMYK	cmyk(63.8%, 54.6%, 0%, 14.5%)
CIE-LAB	lab(46.51, 29.63, -63.41)
CIE-LCH	lch(46.51, 69.99, 295.05°)
OKLab	oklab(55.02% 0.0059 -0.1822)
OKLCH	oklch(55.02% 0.182 271.9)
XYZ	xyz(20.3369, 15.6461, 68.2643)
Luminance	0.1565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F63DA #DAC64F

analogous

#4FA8DA #4F63DA #804FDA

triadic

#4F63DA #DA4F63 #63DA4F

tetradic

#4F63DA #DA4FA8 #DAC64F #4FDA80

square

#4F63DA #DA4FA8 #DAC64F #4FDA80

split-complementary

#4F63DA #DA804F #A8DA4F

monochromatic

#1E2F90 #293FC3 #4F63DA #8290E5 #B4BDEF

Accessibility & contrast

On white

5.09

#4F63DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#4F63DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F63DA

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F63DA	#FFFFFF	#000000	##FFFFFF
##4F63DA	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075DE

Deuteranopia (green-blind)

#0068D8

Tritanopia (blue-blind)

#007F95

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4f63da;
/* rgb */ color: rgb(79, 99, 218);
/* oklch */ color: oklch(55.0% 0.182 271.9);

Tailwind

colors: {
  custom: {
    50: '#8e8fe6',
    500: '#4f63da',
    950: '#000000',
  },
}

SCSS

$custom: #4f63da;
$custom-light: #8e8fe6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f63da",
  "rgb": {
    "r": 79,
    "g": 99,
    "b": 218
  },
  "hsl": {
    "h": 231.367,
    "s": 65.258,
    "l": 58.235
  },
  "oklch": {
    "l": 0.55024,
    "c": 0.18228,
    "h": 271.9
  },
  "luminance": 0.15648
}

Semantic roles & 50–950 ramp

primary

#4F63DA

secondary

#DED6A7

accent

#D040E8

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4F63DA

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

Preview Lab → · Contrast checker → · Palette generator →