#4D63B2#4D63B2

#4D63B2 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.1% C 0.127 H 269.9°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#4D63B2
RGB	rgb(77, 99, 178)
HSL	hsl(227, 40%, 50%)
HSV	hsv(227, 57%, 70%)
CMYK	cmyk(56.7%, 44.4%, 0%, 30.2%)
CIE-LAB	lab(43.82, 15.65, -44.66)
CIE-LCH	lch(43.82, 47.32, 289.31°)
OKLab	oklab(52.14% -0.0003 -0.1271)
OKLCH	oklch(52.14% 0.127 269.9)
XYZ	xyz(15.5556, 13.7146, 43.9383)
Luminance	0.1372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D63B2 #B29C4D

analogous

#4D95B2 #4D63B2 #6A4DB2

triadic

#4D63B2 #B24D63 #63B24D

tetradic

#4D63B2 #B24D95 #B29C4D #4DB26A

square

#4D63B2 #B24D95 #B29C4D #4DB26A

split-complementary

#4D63B2 #B26A4D #95B24D

monochromatic

#28335D #3B4B87 #4D63B2 #7888C4 #A2AED7

Accessibility & contrast

On white

5.61

#4D63B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#4D63B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D63B2

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D63B2	#FFFFFF	#000000	##FFFFFF
##4D63B2	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406CB5

Deuteranopia (green-blind)

#3363B0

Tritanopia (blue-blind)

#0D7482

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4d63b2;
/* rgb */ color: rgb(77, 99, 178);
/* oklch */ color: oklch(52.1% 0.127 269.9);

Tailwind

colors: {
  custom: {
    50: '#878fc9',
    500: '#4d63b2',
    950: '#000000',
  },
}

SCSS

$custom: #4d63b2;
$custom-light: #878fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#4d63b2",
  "rgb": {
    "r": 77,
    "g": 99,
    "b": 178
  },
  "hsl": {
    "h": 226.931,
    "s": 39.608,
    "l": 50
  },
  "oklch": {
    "l": 0.52137,
    "c": 0.12709,
    "h": 269.9
  },
  "luminance": 0.13716
}

Semantic roles & 50–950 ramp

primary

#4D63B2

secondary

#C4BA97

accent

#B658CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4D63B2

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

Preview Lab → · Contrast checker → · Palette generator →