#4989FF#4989FF

#4989FF is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.8% C 0.188 H 261.4°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#4989FF
RGB	rgb(73, 137, 255)
HSL	hsl(219, 100%, 64%)
HSV	hsv(219, 71%, 100%)
CMYK	cmyk(71.4%, 46.3%, 0%, 0%)
CIE-LAB	lab(58.53, 18.18, -64.69)
CIE-LCH	lch(58.53, 67.20, 285.69°)
OKLab	oklab(64.85% -0.0281 -0.1855)
OKLCH	oklch(64.85% 0.188 261.4)
XYZ	xyz(29.7368, 26.5246, 98.1409)
Luminance	0.2653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4989FF #FFBF49

analogous

#49E4FF #4989FF #6449FF

triadic

#4989FF #FF4989 #89FF49

tetradic

#4989FF #FF49E4 #FFBF49 #49FF64

square

#4989FF #FF49E4 #FFBF49 #49FF64

split-complementary

#4989FF #FF6449 #E4FF49

monochromatic

#0048CE #0C61FF #4989FF #86B1FF #C3D8FF

Accessibility & contrast

On white

3.33

#4989FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#4989FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4989FF

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4989FF	#FFFFFF	#000000	##000000
##4989FF	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A96FF

Deuteranopia (green-blind)

#1C85FD

Tritanopia (blue-blind)

#00A5B8

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4989ff;
/* rgb */ color: rgb(73, 137, 255);
/* oklch */ color: oklch(64.8% 0.188 261.4);

Tailwind

colors: {
  custom: {
    50: '#91aaff',
    500: '#4989ff',
    950: '#000000',
  },
}

SCSS

$custom: #4989ff;
$custom-light: #91aaff;
$custom-dark: #000000;

JSON

{
  "hex": "#4989ff",
  "rgb": {
    "r": 73,
    "g": 137,
    "b": 255
  },
  "hsl": {
    "h": 218.901,
    "s": 100,
    "l": 64.314
  },
  "oklch": {
    "l": 0.64846,
    "c": 0.18764,
    "h": 261.4
  },
  "luminance": 0.26528
}

Semantic roles & 50–950 ramp

primary

#4989FF

secondary

#F1DBB2

accent

#9500E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #4989FF

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

Preview Lab → · Contrast checker → · Palette generator →