#4F75DB#4F75DB

#4F75DB is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.6% C 0.161 H 266.2°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#4F75DB
RGB	rgb(79, 117, 219)
HSL	hsl(224, 66%, 58%)
HSV	hsv(224, 64%, 86%)
CMYK	cmyk(63.9%, 46.6%, 0%, 14.1%)
CIE-LAB	lab(51.26, 18.76, -56.30)
CIE-LCH	lch(51.26, 59.35, 288.43°)
OKLab	oklab(58.65% -0.0107 -0.161)
OKLCH	oklch(58.65% 0.161 266.2)
XYZ	xyz(22.3675, 19.4973, 69.5887)
Luminance	0.1950 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F75DB #DBB54F

analogous

#4FBBDB #4F75DB #6F4FDB

triadic

#4F75DB #DB4F75 #75DB4F

tetradic

#4F75DB #DB4FBB #DBB54F #4FDB6F

square

#4F75DB #DB4FBB #DBB54F #4FDB6F

split-complementary

#4F75DB #DB6F4F #BBDB4F

monochromatic

#1E3D92 #2853C5 #4F75DB #829DE5 #B5C5F0

Accessibility & contrast

On white

4.29

#4F75DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#4F75DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F75DB

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F75DB	#FFFFFF	#000000	##000000
##4F75DB	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4281DF

Deuteranopia (green-blind)

#2774D9

Tritanopia (blue-blind)

#008C9D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4f75db;
/* rgb */ color: rgb(79, 117, 219);
/* oklch */ color: oklch(58.6% 0.161 266.2);

Tailwind

colors: {
  custom: {
    50: '#8e9ce7',
    500: '#4f75db',
    950: '#000000',
  },
}

SCSS

$custom: #4f75db;
$custom-light: #8e9ce7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f75db",
  "rgb": {
    "r": 79,
    "g": 117,
    "b": 219
  },
  "hsl": {
    "h": 223.714,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.58648,
    "c": 0.16141,
    "h": 266.2
  },
  "luminance": 0.19499
}

Semantic roles & 50–950 ramp

primary

#4F75DB

secondary

#DFD0A7

accent

#BB3FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4F75DB

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

Preview Lab → · Contrast checker → · Palette generator →