#4F79DB#4F79DB

#4F79DB is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.5% C 0.157 H 264.6°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#4F79DB
RGB	rgb(79, 121, 219)
HSL	hsl(222, 66%, 58%)
HSV	hsv(222, 64%, 86%)
CMYK	cmyk(63.9%, 44.7%, 0%, 14.1%)
CIE-LAB	lab(52.34, 16.29, -54.58)
CIE-LCH	lch(52.34, 56.96, 286.62°)
OKLab	oklab(59.47% -0.0146 -0.1559)
OKLCH	oklch(59.47% 0.157 264.6)
XYZ	xyz(22.8436, 20.4494, 69.7474)
Luminance	0.2045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F79DB #DBB14F

analogous

#4FBFDB #4F79DB #6B4FDB

triadic

#4F79DB #DB4F79 #79DB4F

tetradic

#4F79DB #DB4FBF #DBB14F #4FDB6B

square

#4F79DB #DB4FBF #DBB14F #4FDB6B

split-complementary

#4F79DB #DB6B4F #BFDB4F

monochromatic

#1E4192 #2857C5 #4F79DB #82A0E5 #B5C6F0

Accessibility & contrast

On white

4.13

#4F79DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#4F79DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F79DB

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F79DB	#FFFFFF	#000000	##000000
##4F79DB	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A84DF

Deuteranopia (green-blind)

#3277D9

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4f79db;
/* rgb */ color: rgb(79, 121, 219);
/* oklch */ color: oklch(59.5% 0.157 264.6);

Tailwind

colors: {
  custom: {
    50: '#8d9fe7',
    500: '#4f79db',
    950: '#000000',
  },
}

SCSS

$custom: #4f79db;
$custom-light: #8d9fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f79db",
  "rgb": {
    "r": 79,
    "g": 121,
    "b": 219
  },
  "hsl": {
    "h": 222,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.59473,
    "c": 0.1566,
    "h": 264.6
  },
  "luminance": 0.20451
}

Semantic roles & 50–950 ramp

primary

#4F79DB

secondary

#DFCEA7

accent

#B63FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4F79DB

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

Preview Lab → · Contrast checker → · Palette generator →