#4D63B0#4D63B0

#4D63B0 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.0% C 0.124 H 269.7°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#4D63B0
RGB	rgb(77, 99, 176)
HSL	hsl(227, 39%, 50%)
HSV	hsv(227, 56%, 69%)
CMYK	cmyk(56.2%, 43.8%, 0%, 31%)
CIE-LAB	lab(43.70, 14.98, -43.67)
CIE-LCH	lch(43.70, 46.17, 288.93°)
OKLab	oklab(52.01% -0.0007 -0.1242)
OKLCH	oklch(52.01% 0.124 269.7)
XYZ	xyz(15.3563, 13.6349, 42.8885)
Luminance	0.1364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D63B0 #B09A4D

analogous

#4D94B0 #4D63B0 #694DB0

triadic

#4D63B0 #B04D63 #63B04D

tetradic

#4D63B0 #B04D94 #B09A4D #4DB069

square

#4D63B0 #B04D94 #B09A4D #4DB069

split-complementary

#4D63B0 #B0694D #94B04D

monochromatic

#28335B #3A4B85 #4D63B0 #7788C3 #A1ADD6

Accessibility & contrast

On white

5.63

#4D63B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#4D63B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D63B0

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D63B0	#FFFFFF	#000000	##FFFFFF
##4D63B0	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#426CB3

Deuteranopia (green-blind)

#3563AE

Tritanopia (blue-blind)

#127481

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4d63b0;
/* rgb */ color: rgb(77, 99, 176);
/* oklch */ color: oklch(52.0% 0.124 269.7);

Tailwind

colors: {
  custom: {
    50: '#868fc8',
    500: '#4d63b0',
    950: '#000000',
  },
}

SCSS

$custom: #4d63b0;
$custom-light: #868fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#4d63b0",
  "rgb": {
    "r": 77,
    "g": 99,
    "b": 176
  },
  "hsl": {
    "h": 226.667,
    "s": 39.13,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5201,
    "c": 0.1242,
    "h": 269.7
  },
  "luminance": 0.13636
}

Semantic roles & 50–950 ramp

primary

#4D63B0

secondary

#C3B996

accent

#B559CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4D63B0

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

Preview Lab → · Contrast checker → · Palette generator →