#4B63CE#4B63CE

#4B63CE is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.9% C 0.167 H 270.4°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#4B63CE
RGB	rgb(75, 99, 206)
HSL	hsl(229, 57%, 55%)
HSV	hsv(229, 64%, 81%)
CMYK	cmyk(63.6%, 51.9%, 0%, 19.2%)
CIE-LAB	lab(45.46, 24.85, -58.25)
CIE-LCH	lch(45.46, 63.33, 293.10°)
OKLab	oklab(53.92% 0.0011 -0.1671)
OKLCH	oklch(53.92% 0.167 270.4)
XYZ	xyz(18.5003, 14.8741, 60.2766)
Luminance	0.1488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B63CE #CEB64B

analogous

#4BA4CE #4B63CE #754BCE

triadic

#4B63CE #CE4B63 #63CE4B

tetradic

#4B63CE #CE4BA4 #CEB64B #4BCE75

square

#4B63CE #CE4BA4 #CEB64B #4BCE75

split-complementary

#4B63CE #CE754B #A4CE4B

monochromatic

#22337D #2F46AD #4B63CE #7B8DDB #ABB6E8

Accessibility & contrast

On white

5.28

#4B63CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#4B63CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B63CE

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B63CE	#FFFFFF	#000000	##FFFFFF
##4B63CE	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	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: #4b63ce;
/* rgb */ color: rgb(75, 99, 206);
/* oklch */ color: oklch(53.9% 0.167 270.4);

Tailwind

colors: {
  custom: {
    50: '#8a8fde',
    500: '#4b63ce',
    950: '#000000',
  },
}

SCSS

$custom: #4b63ce;
$custom-light: #8a8fde;
$custom-dark: #000000;

JSON

{
  "hex": "#4b63ce",
  "rgb": {
    "r": 75,
    "g": 99,
    "b": 206
  },
  "hsl": {
    "h": 229.008,
    "s": 57.205,
    "l": 55.098
  },
  "oklch": {
    "l": 0.53917,
    "c": 0.16711,
    "h": 270.4
  },
  "luminance": 0.14876
}

Semantic roles & 50–950 ramp

primary

#4B63CE

secondary

#D6CC9F

accent

#C447E0

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4B63CE

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

Preview Lab → · Contrast checker → · Palette generator →