#4F63CE#4F63CE

#4F63CE is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.1% C 0.166 H 271.8°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#4F63CE
RGB	rgb(79, 99, 206)
HSL	hsl(231, 56%, 56%)
HSV	hsv(231, 62%, 81%)
CMYK	cmyk(61.7%, 51.9%, 0%, 19.2%)
CIE-LAB	lab(45.69, 25.54, -57.87)
CIE-LCH	lch(45.69, 63.26, 293.81°)
OKLab	oklab(54.15% 0.0052 -0.1659)
OKLCH	oklch(54.15% 0.166 271.8)
XYZ	xyz(18.8232, 15.0406, 60.2917)
Luminance	0.1504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F63CE #CEBA4F

analogous

#4FA2CE #4F63CE #7A4FCE

triadic

#4F63CE #CE4F63 #63CE4F

tetradic

#4F63CE #CE4FA2 #CEBA4F #4FCE7A

square

#4F63CE #CE4FA2 #CEBA4F #4FCE7A

split-complementary

#4F63CE #CE7A4F #A2CE4F

monochromatic

#23327F #3145AF #4F63CE #7F8DDB #AFB8E9

Accessibility & contrast

On white

5.24

#4F63CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#4F63CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F63CE

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F63CE	#FFFFFF	#000000	##FFFFFF
##4F63CE	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2372D2

Deuteranopia (green-blind)

#0067CC

Tritanopia (blue-blind)

#007C8F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4f63ce;
/* rgb */ color: rgb(79, 99, 206);
/* oklch */ color: oklch(54.1% 0.166 271.8);

Tailwind

colors: {
  custom: {
    50: '#8c8fde',
    500: '#4f63ce',
    950: '#000000',
  },
}

SCSS

$custom: #4f63ce;
$custom-light: #8c8fde;
$custom-dark: #000000;

JSON

{
  "hex": "#4f63ce",
  "rgb": {
    "r": 79,
    "g": 99,
    "b": 206
  },
  "hsl": {
    "h": 230.551,
    "s": 56.444,
    "l": 55.882
  },
  "oklch": {
    "l": 0.5415,
    "c": 0.16598,
    "h": 271.8
  },
  "luminance": 0.15042
}

Semantic roles & 50–950 ramp

primary

#4F63CE

secondary

#D7CEA2

accent

#C848E0

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4F63CE

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

Preview Lab → · Contrast checker → · Palette generator →