#4D63BA#4D63BA

#4D63BA is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.7% C 0.139 H 270.4°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4D63BA
RGB	rgb(77, 99, 186)
HSL	hsl(228, 44%, 52%)
HSV	hsv(228, 59%, 73%)
CMYK	cmyk(58.6%, 46.8%, 0%, 27.1%)
CIE-LAB	lab(44.30, 18.35, -48.56)
CIE-LCH	lch(44.30, 51.91, 290.71°)
OKLab	oklab(52.65% 0.0009 -0.1386)
OKLCH	oklch(52.65% 0.139 270.4)
XYZ	xyz(16.3824, 14.0453, 48.2926)
Luminance	0.1405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D63BA #BAA44D

analogous

#4D9ABA #4D63BA #6E4DBA

triadic

#4D63BA #BA4D63 #63BA4D

tetradic

#4D63BA #BA4D9A #BAA44D #4DBA6E

square

#4D63BA #BA4D9A #BAA44D #4DBA6E

split-complementary

#4D63BA #BA6E4D #9ABA4D

monochromatic

#273465 #384A91 #4D63BA #798ACB #A5B0DC

Accessibility & contrast

On white

5.51

#4D63BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#4D63BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D63BA

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D63BA	#FFFFFF	#000000	##FFFFFF
##4D63BA	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6EBD

Deuteranopia (green-blind)

#2A64B8

Tritanopia (blue-blind)

#007685

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4d63ba;
/* rgb */ color: rgb(77, 99, 186);
/* oklch */ color: oklch(52.7% 0.139 270.4);

Tailwind

colors: {
  custom: {
    50: '#888fcf',
    500: '#4d63ba',
    950: '#000000',
  },
}

SCSS

$custom: #4d63ba;
$custom-light: #888fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#4d63ba",
  "rgb": {
    "r": 77,
    "g": 99,
    "b": 186
  },
  "hsl": {
    "h": 227.89,
    "s": 44.13,
    "l": 51.569
  },
  "oklch": {
    "l": 0.52655,
    "c": 0.13856,
    "h": 270.4
  },
  "luminance": 0.14047
}

Semantic roles & 50–950 ramp

primary

#4D63BA

secondary

#C9C099

accent

#BA54D4

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4D63BA

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

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