#4F53BC#4F53BC

#4F53BC is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.8% C 0.162 H 277.1°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#4F53BC
RGB	rgb(79, 83, 188)
HSL	hsl(238, 45%, 52%)
HSV	hsv(238, 58%, 74%)
CMYK	cmyk(58%, 55.9%, 0%, 26.3%)
CIE-LAB	lab(40.38, 29.54, -56.04)
CIE-LCH	lch(40.38, 63.35, 297.80°)
OKLab	oklab(49.77% 0.0201 -0.1607)
OKLCH	oklch(49.77% 0.162 277.1)
XYZ	xyz(15.3919, 11.4785, 48.9717)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F53BC #BCB84F

analogous

#4F8ABC #4F53BC #814FBC

triadic

#4F53BC #BC4F53 #53BC4F

tetradic

#4F53BC #BC4F8A #BCB84F #4FBC81

square

#4F53BC #BC4F8A #BCB84F #4FBC81

split-complementary

#4F53BC #BC814F #8ABC4F

monochromatic

#282A69 #393C95 #4F53BC #7B7ECD #A8AADE

Accessibility & contrast

On white

6.37

#4F53BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#4F53BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F53BC

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F53BC	#FFFFFF	#000000	##FFFFFF
##4F53BC	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C0

Deuteranopia (green-blind)

#005BBA

Tritanopia (blue-blind)

#056C7F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4f53bc;
/* rgb */ color: rgb(79, 83, 188);
/* oklch */ color: oklch(49.8% 0.162 277.1);

Tailwind

colors: {
  custom: {
    50: '#8a83d1',
    500: '#4f53bc',
    950: '#000000',
  },
}

SCSS

$custom: #4f53bc;
$custom-light: #8a83d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f53bc",
  "rgb": {
    "r": 79,
    "g": 83,
    "b": 188
  },
  "hsl": {
    "h": 237.798,
    "s": 44.856,
    "l": 52.353
  },
  "oklch": {
    "l": 0.49773,
    "c": 0.16192,
    "h": 277.1
  },
  "luminance": 0.1148
}

Semantic roles & 50–950 ramp

primary

#4F53BC

secondary

#CBC99C

accent

#D053D5

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0D0A14

muted

#7D7C82

Preview Lab

Preview with #4F53BC

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

Preview Lab → · Contrast checker → · Palette generator →