#4E63AF#4E63AF

#4E63AF is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.0% C 0.122 H 270.1°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#4E63AF
RGB	rgb(78, 99, 175)
HSL	hsl(227, 38%, 50%)
HSV	hsv(227, 55%, 69%)
CMYK	cmyk(55.4%, 43.4%, 0%, 31.4%)
CIE-LAB	lab(43.71, 14.86, -43.07)
CIE-LCH	lch(43.71, 45.56, 289.03°)
OKLab	oklab(52.01% 0.0002 -0.1224)
OKLCH	oklch(52.01% 0.122 270.1)
XYZ	xyz(15.3390, 13.6374, 42.3731)
Luminance	0.1364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E63AF #AF9A4E

analogous

#4E94AF #4E63AF #694EAF

triadic

#4E63AF #AF4E63 #63AF4E

tetradic

#4E63AF #AF4E94 #AF9A4E #4EAF69

square

#4E63AF #AF4E94 #AF9A4E #4EAF69

split-complementary

#4E63AF #AF694E #94AF4E

monochromatic

#28335A #3B4B85 #4E63AF #7888C3 #A2ADD6

Accessibility & contrast

On white

5.63

#4E63AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#4E63AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E63AF

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E63AF	#FFFFFF	#000000	##FFFFFF
##4E63AF	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)

#426CB2

Deuteranopia (green-blind)

#3763AD

Tritanopia (blue-blind)

#197480

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4e63af;
/* rgb */ color: rgb(78, 99, 175);
/* oklch */ color: oklch(52.0% 0.122 270.1);

Tailwind

colors: {
  custom: {
    50: '#878fc7',
    500: '#4e63af',
    950: '#000000',
  },
}

SCSS

$custom: #4e63af;
$custom-light: #878fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#4e63af",
  "rgb": {
    "r": 78,
    "g": 99,
    "b": 175
  },
  "hsl": {
    "h": 227.01,
    "s": 38.34,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5201,
    "c": 0.12243,
    "h": 270.1
  },
  "luminance": 0.13639
}

Semantic roles & 50–950 ramp

primary

#4E63AF

secondary

#C3B996

accent

#B55ACE

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4E63AF

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

Preview Lab → · Contrast checker → · Palette generator →