#4F52BB#4F52BB

#4F52BB is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.5% C 0.162 H 277.5°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#4F52BB
RGB	rgb(79, 82, 187)
HSL	hsl(238, 44%, 52%)
HSV	hsv(238, 58%, 73%)
CMYK	cmyk(57.8%, 56.1%, 0%, 26.7%)
CIE-LAB	lab(40.05, 29.84, -55.97)
CIE-LCH	lch(40.05, 63.43, 298.06°)
OKLab	oklab(49.51% 0.0211 -0.1605)
OKLCH	oklch(49.51% 0.162 277.5)
XYZ	xyz(15.2085, 11.2836, 48.3806)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F52BB #BBB84F

analogous

#4F88BB #4F52BB #824FBB

triadic

#4F52BB #BB4F52 #52BB4F

tetradic

#4F52BB #BB4F88 #BBB84F #4FBB82

square

#4F52BB #BB4F88 #BBB84F #4FBB82

split-complementary

#4F52BB #BB824F #88BB4F

monochromatic

#282A68 #393C94 #4F52BB #7B7DCC #A7A9DD

Accessibility & contrast

On white

6.45

#4F52BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#4F52BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F52BB

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F52BB	#FFFFFF	#000000	##FFFFFF
##4F52BB	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BF

Deuteranopia (green-blind)

#005AB9

Tritanopia (blue-blind)

#096B7E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4f52bb;
/* rgb */ color: rgb(79, 82, 187);
/* oklch */ color: oklch(49.5% 0.162 277.5);

Tailwind

colors: {
  custom: {
    50: '#8a82d0',
    500: '#4f52bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f52bb;
$custom-light: #8a82d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f52bb",
  "rgb": {
    "r": 79,
    "g": 82,
    "b": 187
  },
  "hsl": {
    "h": 238.333,
    "s": 44.262,
    "l": 52.157
  },
  "oklch": {
    "l": 0.49512,
    "c": 0.16186,
    "h": 277.5
  },
  "luminance": 0.11285
}

Semantic roles & 50–950 ramp

primary

#4F52BB

secondary

#CAC99B

accent

#D054D4

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0D0A14

muted

#7D7C82

Preview Lab

Preview with #4F52BB

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

Preview Lab → · Contrast checker → · Palette generator →