#4F78D9#4F78D9

#4F78D9 is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.1% C 0.155 H 264.8°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#4F78D9
RGB	rgb(79, 120, 217)
HSL	hsl(222, 64%, 58%)
HSV	hsv(222, 64%, 85%)
CMYK	cmyk(63.6%, 44.7%, 0%, 14.9%)
CIE-LAB	lab(51.95, 16.22, -54.07)
CIE-LCH	lch(51.95, 56.45, 286.70°)
OKLab	oklab(59.14% -0.014 -0.1544)
OKLCH	oklch(59.14% 0.155 264.8)
XYZ	xyz(22.4610, 20.1029, 68.3288)
Luminance	0.2011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F78D9 #D9B04F

analogous

#4FBDD9 #4F78D9 #6B4FD9

triadic

#4F78D9 #D94F78 #78D94F

tetradic

#4F78D9 #D94FBD #D9B04F #4FD96B

square

#4F78D9 #D94FBD #D9B04F #4FD96B

split-complementary

#4F78D9 #D96B4F #BDD94F

monochromatic

#1F408F #2A57C1 #4F78D9 #819FE4 #B4C5EF

Accessibility & contrast

On white

4.18

#4F78D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#4F78D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F78D9

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F78D9	#FFFFFF	#000000	##000000
##4F78D9	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4983DD

Deuteranopia (green-blind)

#3276D7

Tritanopia (blue-blind)

#008E9E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4f78d9;
/* rgb */ color: rgb(79, 120, 217);
/* oklch */ color: oklch(59.1% 0.155 264.8);

Tailwind

colors: {
  custom: {
    50: '#8d9ee5',
    500: '#4f78d9',
    950: '#000000',
  },
}

SCSS

$custom: #4f78d9;
$custom-light: #8d9ee5;
$custom-dark: #000000;

JSON

{
  "hex": "#4f78d9",
  "rgb": {
    "r": 79,
    "g": 120,
    "b": 217
  },
  "hsl": {
    "h": 222.174,
    "s": 64.486,
    "l": 58.039
  },
  "oklch": {
    "l": 0.59137,
    "c": 0.15507,
    "h": 264.8
  },
  "luminance": 0.20105
}

Semantic roles & 50–950 ramp

primary

#4F78D9

secondary

#DDCDA6

accent

#B640E7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4F78D9

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

Preview Lab → · Contrast checker → · Palette generator →