#4B83DD#4B83DD

#4B83DD is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.5% C 0.149 H 259.5°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#4B83DD
RGB	rgb(75, 131, 221)
HSL	hsl(217, 68%, 58%)
HSV	hsv(217, 66%, 87%)
CMYK	cmyk(66.1%, 40.7%, 0%, 13.3%)
CIE-LAB	lab(55.02, 10.20, -51.44)
CIE-LCH	lch(55.02, 52.44, 281.22°)
OKLab	oklab(61.52% -0.0272 -0.1466)
OKLCH	oklch(61.52% 0.149 259.5)
XYZ	xyz(24.0644, 22.9465, 71.5535)
Luminance	0.2295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B83DD #DDA54B

analogous

#4BCCDD #4B83DD #5C4BDD

triadic

#4B83DD #DD4B83 #83DD4B

tetradic

#4B83DD #DD4BCC #DDA54B #4BDD5C

square

#4B83DD #DD4BCC #DDA54B #4BDD5C

split-complementary

#4B83DD #DD5C4B #CCDD4B

monochromatic

#1C4992 #2563C5 #4B83DD #7EA6E7 #B2CAF0

Accessibility & contrast

On white

3.76

#4B83DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#4B83DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B83DD

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B83DD	#FFFFFF	#000000	##000000
##4B83DD	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A8BE1

Deuteranopia (green-blind)

#437DDB

Tritanopia (blue-blind)

#0098A5

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4b83dd;
/* rgb */ color: rgb(75, 131, 221);
/* oklch */ color: oklch(61.5% 0.149 259.5);

Tailwind

colors: {
  custom: {
    50: '#8ca6e8',
    500: '#4b83dd',
    950: '#000000',
  },
}

SCSS

$custom: #4b83dd;
$custom-light: #8ca6e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4b83dd",
  "rgb": {
    "r": 75,
    "g": 131,
    "b": 221
  },
  "hsl": {
    "h": 216.986,
    "s": 68.224,
    "l": 58.039
  },
  "oklch": {
    "l": 0.61524,
    "c": 0.14914,
    "h": 259.5
  },
  "luminance": 0.22949
}

Semantic roles & 50–950 ramp

primary

#4B83DD

secondary

#DFC9A5

accent

#A83DEB

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4B83DD

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

Preview Lab → · Contrast checker → · Palette generator →