#4F54D9#4F54D9

#4F54D9 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.2% C 0.199 H 275.4°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#4F54D9
RGB	rgb(79, 84, 217)
HSL	hsl(238, 64%, 58%)
HSV	hsv(238, 64%, 85%)
CMYK	cmyk(63.6%, 61.3%, 0%, 14.9%)
CIE-LAB	lab(42.78, 38.56, -68.89)
CIE-LCH	lch(42.78, 78.95, 299.23°)
OKLab	oklab(52.23% 0.0188 -0.1984)
OKLCH	oklch(52.23% 0.199 275.4)
XYZ	xyz(18.9151, 13.0111, 67.1468)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F54D9 #D9D44F

analogous

#4F99D9 #4F54D9 #8F4FD9

triadic

#4F54D9 #D94F54 #54D94F

tetradic

#4F54D9 #D94F99 #D9D44F #4FD98F

square

#4F54D9 #D94F99 #D9D44F #4FD98F

split-complementary

#4F54D9 #D98F4F #99D94F

monochromatic

#1F238F #2A2FC1 #4F54D9 #8185E4 #B4B6EF

Accessibility & contrast

On white

5.83

#4F54D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#4F54D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F54D9

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F54D9	#FFFFFF	#000000	##FFFFFF
##4F54D9	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDD

Deuteranopia (green-blind)

#005FD6

Tritanopia (blue-blind)

#00758E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4f54d9;
/* rgb */ color: rgb(79, 84, 217);
/* oklch */ color: oklch(52.2% 0.199 275.4);

Tailwind

colors: {
  custom: {
    50: '#8f84e6',
    500: '#4f54d9',
    950: '#000000',
  },
}

SCSS

$custom: #4f54d9;
$custom-light: #8f84e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f54d9",
  "rgb": {
    "r": 79,
    "g": 84,
    "b": 217
  },
  "hsl": {
    "h": 237.826,
    "s": 64.486,
    "l": 58.039
  },
  "oklch": {
    "l": 0.52233,
    "c": 0.19934,
    "h": 275.4
  },
  "luminance": 0.13013
}

Semantic roles & 50–950 ramp

primary

#4F54D9

secondary

#DDDBA6

accent

#E140E7

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4F54D9

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

Preview Lab → · Contrast checker → · Palette generator →