#4F54CC#4F54CC

#4F54CC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.2% C 0.182 H 276.0°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#4F54CC
RGB	rgb(79, 84, 204)
HSL	hsl(238, 55%, 55%)
HSV	hsv(238, 61%, 80%)
CMYK	cmyk(61.3%, 58.8%, 0%, 20%)
CIE-LAB	lab(41.78, 34.24, -63.05)
CIE-LCH	lch(41.78, 71.74, 298.50°)
OKLab	oklab(51.19% 0.0192 -0.1813)
OKLCH	oklch(51.19% 0.182 276)
XYZ	xyz(17.2903, 12.3612, 58.5898)
Luminance	0.1236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F54CC #CCC74F

analogous

#4F92CC #4F54CC #884FCC

triadic

#4F54CC #CC4F54 #54CC4F

tetradic

#4F54CC #CC4F92 #CCC74F #4FCC88

square

#4F54CC #CC4F92 #CCC74F #4FCC88

split-complementary

#4F54CC #CC884F #92CC4F

monochromatic

#24287D #3237AC #4F54CC #7E82DA #AEB0E7

Accessibility & contrast

On white

6.05

#4F54CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#4F54CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F54CC

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F54CC	#FFFFFF	#000000	##FFFFFF
##4F54CC	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D0

Deuteranopia (green-blind)

#005DCA

Tritanopia (blue-blind)

#007188

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4f54cc;
/* rgb */ color: rgb(79, 84, 204);
/* oklch */ color: oklch(51.2% 0.182 276.0);

Tailwind

colors: {
  custom: {
    50: '#8d84dc',
    500: '#4f54cc',
    950: '#000000',
  },
}

SCSS

$custom: #4f54cc;
$custom-light: #8d84dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f54cc",
  "rgb": {
    "r": 79,
    "g": 84,
    "b": 204
  },
  "hsl": {
    "h": 237.6,
    "s": 55.066,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51187,
    "c": 0.18228,
    "h": 276
  },
  "luminance": 0.12363
}

Semantic roles & 50–950 ramp

primary

#4F54CC

secondary

#D5D3A1

accent

#D849DE

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F54CC

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

Preview Lab → · Contrast checker → · Palette generator →