#4B83DB#4B83DB

#4B83DB is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.4% C 0.146 H 259.1°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#4B83DB
RGB	rgb(75, 131, 219)
HSL	hsl(217, 67%, 58%)
HSV	hsv(217, 66%, 86%)
CMYK	cmyk(65.8%, 40.2%, 0%, 14.1%)
CIE-LAB	lab(54.91, 9.51, -50.49)
CIE-LCH	lch(54.91, 51.38, 280.67°)
OKLab	oklab(61.4% -0.0277 -0.1438)
OKLCH	oklch(61.4% 0.146 259.1)
XYZ	xyz(23.7996, 22.8406, 70.1585)
Luminance	0.2284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B83DB #DBA34B

analogous

#4BCBDB #4B83DB #5B4BDB

triadic

#4B83DB #DB4B83 #83DB4B

tetradic

#4B83DB #DB4BCB #DBA34B #4BDB5B

square

#4B83DB #DB4BCB #DBA34B #4BDB5B

split-complementary

#4B83DB #DB5B4B #CBDB4B

monochromatic

#1D498F #2763C2 #4B83DB #7EA6E5 #B1C9EF

Accessibility & contrast

On white

3.77

#4B83DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#4B83DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B83DB

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B83DB	#FFFFFF	#000000	##000000
##4B83DB	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B8BDE

Deuteranopia (green-blind)

#457DD9

Tritanopia (blue-blind)

#0097A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4b83db;
/* rgb */ color: rgb(75, 131, 219);
/* oklch */ color: oklch(61.4% 0.146 259.1);

Tailwind

colors: {
  custom: {
    50: '#8ba6e6',
    500: '#4b83db',
    950: '#000000',
  },
}

SCSS

$custom: #4b83db;
$custom-light: #8ba6e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b83db",
  "rgb": {
    "r": 75,
    "g": 131,
    "b": 219
  },
  "hsl": {
    "h": 216.667,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.61404,
    "c": 0.14649,
    "h": 259.1
  },
  "luminance": 0.22843
}

Semantic roles & 50–950 ramp

primary

#4B83DB

secondary

#DEC7A4

accent

#A73EEA

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4B83DB

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

Preview Lab → · Contrast checker → · Palette generator →