#4F63AF#4F63AF

#4F63AF is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.1% C 0.122 H 270.6°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#4F63AF
RGB	rgb(79, 99, 175)
HSL	hsl(228, 38%, 50%)
HSV	hsv(228, 55%, 69%)
CMYK	cmyk(54.9%, 43.4%, 0%, 31.4%)
CIE-LAB	lab(43.77, 15.08, -42.97)
CIE-LCH	lch(43.77, 45.54, 289.34°)
OKLab	oklab(52.07% 0.0013 -0.1221)
OKLCH	oklch(52.07% 0.122 270.6)
XYZ	xyz(15.4216, 13.6800, 42.3770)
Luminance	0.1368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F63AF #AF9B4F

analogous

#4F93AF #4F63AF #6B4FAF

triadic

#4F63AF #AF4F63 #63AF4F

tetradic

#4F63AF #AF4F93 #AF9B4F #4FAF6B

square

#4F63AF #AF4F93 #AF9B4F #4FAF6B

split-complementary

#4F63AF #AF6B4F #93AF4F

monochromatic

#29335B #3C4B85 #4F63AF #7988C2 #A3ADD5

Accessibility & contrast

On white

5.62

#4F63AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#4F63AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F63AF

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F63AF	#FFFFFF	#000000	##FFFFFF
##4F63AF	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#436CB2

Deuteranopia (green-blind)

#3764AD

Tritanopia (blue-blind)

#1D7480

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4f63af;
/* rgb */ color: rgb(79, 99, 175);
/* oklch */ color: oklch(52.1% 0.122 270.6);

Tailwind

colors: {
  custom: {
    50: '#878fc7',
    500: '#4f63af',
    950: '#000000',
  },
}

SCSS

$custom: #4f63af;
$custom-light: #878fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f63af",
  "rgb": {
    "r": 79,
    "g": 99,
    "b": 175
  },
  "hsl": {
    "h": 227.5,
    "s": 37.795,
    "l": 49.804
  },
  "oklch": {
    "l": 0.52074,
    "c": 0.12212,
    "h": 270.6
  },
  "luminance": 0.13681
}

Semantic roles & 50–950 ramp

primary

#4F63AF

secondary

#C3BA97

accent

#B65ACE

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4F63AF

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

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