#4D63BF#4D63BF

#4D63BF is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.0% C 0.146 H 270.6°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#4D63BF
RGB	rgb(77, 99, 191)
HSL	hsl(228, 47%, 53%)
HSV	hsv(228, 60%, 75%)
CMYK	cmyk(59.7%, 48.2%, 0%, 25.1%)
CIE-LAB	lab(44.61, 20.06, -50.97)
CIE-LCH	lch(44.61, 54.78, 291.48°)
OKLab	oklab(52.99% 0.0016 -0.1456)
OKLCH	oklch(52.99% 0.146 270.6)
XYZ	xyz(16.9232, 14.2617, 51.1411)
Luminance	0.1426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D63BF #BFA94D

analogous

#4D9CBF #4D63BF #704DBF

triadic

#4D63BF #BF4D63 #63BF4D

tetradic

#4D63BF #BF4D9C #BFA94D #4DBF70

square

#4D63BF #BF4D9C #BFA94D #4DBF70

split-complementary

#4D63BF #BF704D #9CBF4D

monochromatic

#27346B #374998 #4D63BF #7A8ACF #A7B2DF

Accessibility & contrast

On white

5.45

#4D63BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#4D63BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D63BF

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D63BF	#FFFFFF	#000000	##FFFFFF
##4D63BF	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356FC2

Deuteranopia (green-blind)

#2265BD

Tritanopia (blue-blind)

#007888

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4d63bf;
/* rgb */ color: rgb(77, 99, 191);
/* oklch */ color: oklch(53.0% 0.146 270.6);

Tailwind

colors: {
  custom: {
    50: '#898fd3',
    500: '#4d63bf',
    950: '#000000',
  },
}

SCSS

$custom: #4d63bf;
$custom-light: #898fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4d63bf",
  "rgb": {
    "r": 77,
    "g": 99,
    "b": 191
  },
  "hsl": {
    "h": 228.421,
    "s": 47.107,
    "l": 52.549
  },
  "oklch": {
    "l": 0.52989,
    "c": 0.14566,
    "h": 270.6
  },
  "luminance": 0.14263
}

Semantic roles & 50–950 ramp

primary

#4D63BF

secondary

#CDC39B

accent

#BD51D7

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4D63BF

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

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