#4D63CE#4D63CE

#4D63CE is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.0% C 0.167 H 271.1°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#4D63CE
RGB	rgb(77, 99, 206)
HSL	hsl(230, 57%, 55%)
HSV	hsv(230, 63%, 81%)
CMYK	cmyk(62.6%, 51.9%, 0%, 19.2%)
CIE-LAB	lab(45.57, 25.19, -58.06)
CIE-LCH	lch(45.57, 63.29, 293.45°)
OKLab	oklab(54.03% 0.0031 -0.1665)
OKLCH	oklch(54.03% 0.167 271.1)
XYZ	xyz(18.6592, 14.9561, 60.2841)
Luminance	0.1496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D63CE #CEB84D

analogous

#4DA4CE #4D63CE #774DCE

triadic

#4D63CE #CE4D63 #63CE4D

tetradic

#4D63CE #CE4DA4 #CEB84D #4DCE77

square

#4D63CE #CE4DA4 #CEB84D #4DCE77

split-complementary

#4D63CE #CE774D #A4CE4D

monochromatic

#23327E #3045AE #4D63CE #7D8DDB #ADB7E8

Accessibility & contrast

On white

5.26

#4D63CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#4D63CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D63CE

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D63CE	#FFFFFF	#000000	##FFFFFF
##4D63CE	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2272D2

Deuteranopia (green-blind)

#0066CC

Tritanopia (blue-blind)

#007C8F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4d63ce;
/* rgb */ color: rgb(77, 99, 206);
/* oklch */ color: oklch(54.0% 0.167 271.1);

Tailwind

colors: {
  custom: {
    50: '#8b8fde',
    500: '#4d63ce',
    950: '#000000',
  },
}

SCSS

$custom: #4d63ce;
$custom-light: #8b8fde;
$custom-dark: #000000;

JSON

{
  "hex": "#4d63ce",
  "rgb": {
    "r": 77,
    "g": 99,
    "b": 206
  },
  "hsl": {
    "h": 229.767,
    "s": 56.828,
    "l": 55.49
  },
  "oklch": {
    "l": 0.54032,
    "c": 0.16654,
    "h": 271.1
  },
  "luminance": 0.14958
}

Semantic roles & 50–950 ramp

primary

#4D63CE

secondary

#D6CDA1

accent

#C648E0

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4D63CE

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

Preview Lab → · Contrast checker → · Palette generator →