#4473BC#4473BC

#4473BC is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.7% C 0.125 H 258.9°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#4473BC
RGB	rgb(68, 115, 188)
HSL	hsl(217, 47%, 50%)
HSV	hsv(217, 64%, 74%)
CMYK	cmyk(63.8%, 38.8%, 0%, 26.3%)
CIE-LAB	lab(48.41, 7.30, -43.19)
CIE-LCH	lch(48.41, 43.80, 279.59°)
OKLab	oklab(55.73% -0.0241 -0.1228)
OKLCH	oklch(55.73% 0.125 258.9)
XYZ	xyz(17.5885, 17.1196, 49.9447)
Luminance	0.1712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4473BC #BC8D44

analogous

#44AFBC #4473BC #5144BC

triadic

#4473BC #BC4473 #73BC44

tetradic

#4473BC #BC44AF #BC8D44 #44BC51

square

#4473BC #BC44AF #BC8D44 #44BC51

split-complementary

#4473BC #BC5144 #AFBC44

monochromatic

#233C62 #33578F #4473BC #7195CC #9EB6DC

Accessibility & contrast

On white

4.75

#4473BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#4473BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4473BC

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4473BC	#FFFFFF	#000000	##FFFFFF
##4473BC	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BF

Deuteranopia (green-blind)

#426EBA

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4473bc;
/* rgb */ color: rgb(68, 115, 188);
/* oklch */ color: oklch(55.7% 0.125 258.9);

Tailwind

colors: {
  custom: {
    50: '#839ad0',
    500: '#4473bc',
    950: '#000000',
  },
}

SCSS

$custom: #4473bc;
$custom-light: #839ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4473bc",
  "rgb": {
    "r": 68,
    "g": 115,
    "b": 188
  },
  "hsl": {
    "h": 216.5,
    "s": 47.244,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55732,
    "c": 0.12512,
    "h": 258.9
  },
  "luminance": 0.17121
}

Semantic roles & 50–950 ramp

primary

#4473BC

secondary

#C9B493

accent

#A251D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4473BC

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

Preview Lab → · Contrast checker → · Palette generator →