#4783DB#4783DB

#4783DB is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.2% C 0.148 H 258.0°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#4783DB
RGB	rgb(71, 131, 219)
HSL	hsl(216, 67%, 57%)
HSV	hsv(216, 68%, 86%)
CMYK	cmyk(67.6%, 40.2%, 0%, 14.1%)
CIE-LAB	lab(54.75, 8.87, -50.76)
CIE-LCH	lch(54.75, 51.53, 279.91°)
OKLab	oklab(61.23% -0.0307 -0.1447)
OKLCH	oklch(61.23% 0.148 258)
XYZ	xyz(23.4964, 22.6843, 70.1443)
Luminance	0.2269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4783DB #DB9F47

analogous

#47CDDB #4783DB #5547DB

triadic

#4783DB #DB4783 #83DB47

tetradic

#4783DB #DB47CD #DB9F47 #47DB55

square

#4783DB #DB47CD #DB9F47 #47DB55

split-complementary

#4783DB #DB5547 #CDDB47

monochromatic

#1B498C #2564BF #4783DB #7AA5E5 #ADC8EF

Accessibility & contrast

On white

3.79

#4783DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#4783DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4783DB

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4783DB	#FFFFFF	#000000	##000000
##4783DB	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A8ADE

Deuteranopia (green-blind)

#447DD9

Tritanopia (blue-blind)

#0097A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4783db;
/* rgb */ color: rgb(71, 131, 219);
/* oklch */ color: oklch(61.2% 0.148 258.0);

Tailwind

colors: {
  custom: {
    50: '#8aa6e6',
    500: '#4783db',
    950: '#000000',
  },
}

SCSS

$custom: #4783db;
$custom-light: #8aa6e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4783db",
  "rgb": {
    "r": 71,
    "g": 131,
    "b": 219
  },
  "hsl": {
    "h": 215.676,
    "s": 67.273,
    "l": 56.863
  },
  "oklch": {
    "l": 0.61233,
    "c": 0.14793,
    "h": 258
  },
  "luminance": 0.22687
}

Semantic roles & 50–950 ramp

primary

#4783DB

secondary

#DDC5A1

accent

#A43EEA

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4783DB

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

Preview Lab → · Contrast checker → · Palette generator →