#4F79BB#4F79BB

#4F79BB is a mid, moderate blue. Relative luminance 0.189; OKLCH L 57.6% C 0.113 H 259.1°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#4F79BB
RGB	rgb(79, 121, 187)
HSL	hsl(217, 44%, 52%)
HSV	hsv(217, 58%, 73%)
CMYK	cmyk(57.8%, 35.3%, 0%, 26.7%)
CIE-LAB	lab(50.60, 5.44, -39.12)
CIE-LCH	lch(50.60, 39.50, 277.92°)
OKLab	oklab(57.56% -0.0213 -0.1106)
OKLCH	oklch(57.56% 0.113 259.1)
XYZ	xyz(19.0283, 18.9233, 49.6539)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F79BB #BB914F

analogous

#4FAFBB #4F79BB #5B4FBB

triadic

#4F79BB #BB4F79 #79BB4F

tetradic

#4F79BB #BB4FAF #BB914F #4FBB5B

square

#4F79BB #BB4FAF #BB914F #4FBB5B

split-complementary

#4F79BB #BB5B4F #AFBB4F

monochromatic

#284168 #395C94 #4F79BB #7B9BCC #A7BCDD

Accessibility & contrast

On white

4.39

#4F79BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#4F79BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F79BB

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F79BB	#FFFFFF	#000000	##000000
##4F79BB	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7EBE

Deuteranopia (green-blind)

#5074BA

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4f79bb;
/* rgb */ color: rgb(79, 121, 187);
/* oklch */ color: oklch(57.6% 0.113 259.1);

Tailwind

colors: {
  custom: {
    50: '#889fd0',
    500: '#4f79bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f79bb;
$custom-light: #889fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f79bb",
  "rgb": {
    "r": 79,
    "g": 121,
    "b": 187
  },
  "hsl": {
    "h": 216.667,
    "s": 44.262,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57558,
    "c": 0.11267,
    "h": 259.1
  },
  "luminance": 0.18925
}

Semantic roles & 50–950 ramp

primary

#4F79BB

secondary

#CAB89B

accent

#A254D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4F79BB

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

Preview Lab → · Contrast checker → · Palette generator →