#4478D3#4478D3

#4478D3 is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.2% C 0.151 H 260.7°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#4478D3
RGB	rgb(68, 120, 211)
HSL	hsl(218, 62%, 55%)
HSV	hsv(218, 68%, 83%)
CMYK	cmyk(67.8%, 43.1%, 0%, 17.3%)
CIE-LAB	lab(51.11, 12.31, -52.05)
CIE-LCH	lch(51.11, 53.48, 283.30°)
OKLab	oklab(58.24% -0.0242 -0.1487)
OKLCH	oklch(58.24% 0.151 260.7)
XYZ	xyz(20.8540, 19.3629, 64.2538)
Luminance	0.1936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4478D3 #D39F44

analogous

#44BFD3 #4478D3 #5844D3

triadic

#4478D3 #D34478 #78D344

tetradic

#4478D3 #D344BF #D39F44 #44D358

square

#4478D3 #D344BF #D39F44 #44D358

split-complementary

#4478D3 #D35844 #BFD344

monochromatic

#1E417F #295BB0 #4478D3 #769CDF #A7C0EA

Accessibility & contrast

On white

4.31

#4478D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#4478D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4478D3

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4478D3	#FFFFFF	#000000	##000000
##4478D3	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C81D7

Deuteranopia (green-blind)

#3474D1

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4478d3;
/* rgb */ color: rgb(68, 120, 211);
/* oklch */ color: oklch(58.2% 0.151 260.7);

Tailwind

colors: {
  custom: {
    50: '#879ee1',
    500: '#4478d3',
    950: '#000000',
  },
}

SCSS

$custom: #4478d3;
$custom-light: #879ee1;
$custom-dark: #000000;

JSON

{
  "hex": "#4478d3",
  "rgb": {
    "r": 68,
    "g": 120,
    "b": 211
  },
  "hsl": {
    "h": 218.182,
    "s": 61.905,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58239,
    "c": 0.15066,
    "h": 260.7
  },
  "luminance": 0.19365
}

Semantic roles & 50–950 ramp

primary

#4478D3

secondary

#D8C29B

accent

#AA43E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4478D3

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

Preview Lab → · Contrast checker → · Palette generator →