#4F53AB#4F53AB

#4F53AB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.5% C 0.138 H 278.0°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#4F53AB
RGB	rgb(79, 83, 171)
HSL	hsl(237, 37%, 49%)
HSV	hsv(237, 54%, 67%)
CMYK	cmyk(53.8%, 51.5%, 0%, 32.9%)
CIE-LAB	lab(39.22, 23.92, -47.89)
CIE-LCH	lch(39.22, 53.53, 296.54°)
OKLab	oklab(48.54% 0.0191 -0.1367)
OKLCH	oklch(48.54% 0.138 278)
XYZ	xyz(13.6661, 10.7882, 39.8824)
Luminance	0.1079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F53AB #ABA74F

analogous

#4F81AB #4F53AB #794FAB

triadic

#4F53AB #AB4F53 #53AB4F

tetradic

#4F53AB #AB4F81 #ABA74F #4FAB79

square

#4F53AB #AB4F81 #ABA74F #4FAB79

split-complementary

#4F53AB #AB794F #81AB4F

monochromatic

#282A57 #3C3F81 #4F53AB #777AC0 #A1A3D4

Accessibility & contrast

On white

6.65

#4F53AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#4F53AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F53AB

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F53AB	#FFFFFF	#000000	##FFFFFF
##4F53AB	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2660AE

Deuteranopia (green-blind)

#1A59A9

Tritanopia (blue-blind)

#256777

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4f53ab;
/* rgb */ color: rgb(79, 83, 171);
/* oklch */ color: oklch(48.5% 0.138 278.0);

Tailwind

colors: {
  custom: {
    50: '#8783c4',
    500: '#4f53ab',
    950: '#000000',
  },
}

SCSS

$custom: #4f53ab;
$custom-light: #8783c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4f53ab",
  "rgb": {
    "r": 79,
    "g": 83,
    "b": 171
  },
  "hsl": {
    "h": 237.391,
    "s": 36.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48542,
    "c": 0.13803,
    "h": 278
  },
  "luminance": 0.10789
}

Semantic roles & 50–950 ramp

primary

#4F53AB

secondary

#C1BF95

accent

#C85BCD

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #4F53AB

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

Preview Lab → · Contrast checker → · Palette generator →