#4473DB#4473DB

#4473DB is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.7% C 0.167 H 263.7°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4473DB
RGB	rgb(68, 115, 219)
HSL	hsl(221, 68%, 56%)
HSV	hsv(221, 69%, 86%)
CMYK	cmyk(68.9%, 47.5%, 0%, 14.1%)
CIE-LAB	lab(50.22, 18.26, -58.01)
CIE-LCH	lch(50.22, 60.81, 287.47°)
OKLab	oklab(57.71% -0.0184 -0.1663)
OKLCH	oklch(57.71% 0.167 263.7)
XYZ	xyz(21.2963, 18.6027, 69.4724)
Luminance	0.1860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4473DB #DBAC44

analogous

#44BEDB #4473DB #6144DB

triadic

#4473DB #DB4473 #73DB44

tetradic

#4473DB #DB44BE #DBAC44 #44DB61

square

#4473DB #DB44BE #DBAC44 #44DB61

split-complementary

#4473DB #DB6144 #BEDB44

monochromatic

#1B3D8A #2454BD #4473DB #7799E5 #ABC0EF

Accessibility & contrast

On white

4.45

#4473DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#4473DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4473DB

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4473DB	#FFFFFF	#000000	##000000
##4473DB	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7FDF

Deuteranopia (green-blind)

#1571D9

Tritanopia (blue-blind)

#008B9C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4473db;
/* rgb */ color: rgb(68, 115, 219);
/* oklch */ color: oklch(57.7% 0.167 263.7);

Tailwind

colors: {
  custom: {
    50: '#899ae7',
    500: '#4473db',
    950: '#000000',
  },
}

SCSS

$custom: #4473db;
$custom-light: #899ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#4473db",
  "rgb": {
    "r": 68,
    "g": 115,
    "b": 219
  },
  "hsl": {
    "h": 221.325,
    "s": 67.713,
    "l": 56.275
  },
  "oklch": {
    "l": 0.5771,
    "c": 0.16731,
    "h": 263.7
  },
  "luminance": 0.18605
}

Semantic roles & 50–950 ramp

primary

#4473DB

secondary

#DCC99E

accent

#B53DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4473DB

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

Preview Lab → · Contrast checker → · Palette generator →