#4D63CF#4D63CF

#4D63CF is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.1% C 0.168 H 271.1°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#4D63CF
RGB	rgb(77, 99, 207)
HSL	hsl(230, 58%, 56%)
HSV	hsv(230, 63%, 81%)
CMYK	cmyk(62.8%, 52.2%, 0%, 18.8%)
CIE-LAB	lab(45.64, 25.53, -58.53)
CIE-LCH	lch(45.64, 63.86, 293.57°)
OKLab	oklab(54.1% 0.0032 -0.1679)
OKLCH	oklch(54.1% 0.168 271.1)
XYZ	xyz(18.7811, 15.0048, 60.9259)
Luminance	0.1501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D63CF #CFB94D

analogous

#4DA4CF #4D63CF #784DCF

triadic

#4D63CF #CF4D63 #63CF4D

tetradic

#4D63CF #CF4DA4 #CFB94D #4DCF78

square

#4D63CF #CF4DA4 #CFB94D #4DCF78

split-complementary

#4D63CF #CF784D #A4CF4D

monochromatic

#22327F #2F45AF #4D63CF #7D8DDC #ADB7E9

Accessibility & contrast

On white

5.25

#4D63CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#4D63CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D63CF

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D63CF	#FFFFFF	#000000	##FFFFFF
##4D63CF	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2072D3

Deuteranopia (green-blind)

#0067CD

Tritanopia (blue-blind)

#007C8F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4d63cf;
/* rgb */ color: rgb(77, 99, 207);
/* oklch */ color: oklch(54.1% 0.168 271.1);

Tailwind

colors: {
  custom: {
    50: '#8b8fde',
    500: '#4d63cf',
    950: '#000000',
  },
}

SCSS

$custom: #4d63cf;
$custom-light: #8b8fde;
$custom-dark: #000000;

JSON

{
  "hex": "#4d63cf",
  "rgb": {
    "r": 77,
    "g": 99,
    "b": 207
  },
  "hsl": {
    "h": 229.846,
    "s": 57.522,
    "l": 55.686
  },
  "oklch": {
    "l": 0.54104,
    "c": 0.16791,
    "h": 271.1
  },
  "luminance": 0.15006
}

Semantic roles & 50–950 ramp

primary

#4D63CF

secondary

#D7CEA1

accent

#C747E1

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4D63CF

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

Preview Lab → · Contrast checker → · Palette generator →