#4E79BB#4E79BB

#4E79BB is a mid, moderate blue. Relative luminance 0.189; OKLCH L 57.5% C 0.113 H 258.7°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4E79BB
RGB	rgb(78, 121, 187)
HSL	hsl(216, 44%, 52%)
HSV	hsv(216, 58%, 73%)
CMYK	cmyk(58.3%, 35.3%, 0%, 26.7%)
CIE-LAB	lab(50.55, 5.23, -39.20)
CIE-LCH	lch(50.55, 39.55, 277.60°)
OKLab	oklab(57.51% -0.0222 -0.1109)
OKLCH	oklch(57.51% 0.113 258.7)
XYZ	xyz(18.9458, 18.8807, 49.6500)
Luminance	0.1888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E79BB #BB904E

analogous

#4EB0BB #4E79BB #5A4EBB

triadic

#4E79BB #BB4E79 #79BB4E

tetradic

#4E79BB #BB4EB0 #BB904E #4EBB5A

square

#4E79BB #BB4EB0 #BB904E #4EBB5A

split-complementary

#4E79BB #BB5A4E #B0BB4E

monochromatic

#284167 #395C93 #4E79BB #7A9ACC #A6BCDD

Accessibility & contrast

On white

4.40

#4E79BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#4E79BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E79BB

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E79BB	#FFFFFF	#000000	##000000
##4E79BB	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	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: #4e79bb;
/* rgb */ color: rgb(78, 121, 187);
/* oklch */ color: oklch(57.5% 0.113 258.7);

Tailwind

colors: {
  custom: {
    50: '#889fd0',
    500: '#4e79bb',
    950: '#000000',
  },
}

SCSS

$custom: #4e79bb;
$custom-light: #889fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e79bb",
  "rgb": {
    "r": 78,
    "g": 121,
    "b": 187
  },
  "hsl": {
    "h": 216.33,
    "s": 44.49,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57505,
    "c": 0.11309,
    "h": 258.7
  },
  "luminance": 0.18882
}

Semantic roles & 50–950 ramp

primary

#4E79BB

secondary

#CAB79B

accent

#A154D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4E79BB

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

Preview Lab → · Contrast checker → · Palette generator →