#4478D9#4478D9

#4478D9 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.6% C 0.159 H 261.6°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#4478D9
RGB	rgb(68, 120, 217)
HSL	hsl(219, 66%, 56%)
HSV	hsv(219, 69%, 85%)
CMYK	cmyk(68.7%, 44.7%, 0%, 14.9%)
CIE-LAB	lab(51.46, 14.44, -54.88)
CIE-LCH	lch(51.46, 56.75, 284.74°)
OKLab	oklab(58.63% -0.0232 -0.157)
OKLCH	oklch(58.63% 0.159 261.6)
XYZ	xyz(21.6203, 19.6694, 68.2894)
Luminance	0.1967 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4478D9 #D9A544

analogous

#44C3D9 #4478D9 #5A44D9

triadic

#4478D9 #D94478 #78D944

tetradic

#4478D9 #D944C3 #D9A544 #44D95A

square

#4478D9 #D944C3 #D9A544 #44D95A

split-complementary

#4478D9 #D95A44 #C3D944

monochromatic

#1B4187 #265ABA #4478D9 #779DE3 #AAC1EE

Accessibility & contrast

On white

4.26

#4478D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#4478D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4478D9

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4478D9	#FFFFFF	#000000	##000000
##4478D9	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4882DD

Deuteranopia (green-blind)

#2C74D7

Tritanopia (blue-blind)

#008F9E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4478d9;
/* rgb */ color: rgb(68, 120, 217);
/* oklch */ color: oklch(58.6% 0.159 261.6);

Tailwind

colors: {
  custom: {
    50: '#889ee5',
    500: '#4478d9',
    950: '#000000',
  },
}

SCSS

$custom: #4478d9;
$custom-light: #889ee5;
$custom-dark: #000000;

JSON

{
  "hex": "#4478d9",
  "rgb": {
    "r": 68,
    "g": 120,
    "b": 217
  },
  "hsl": {
    "h": 219.06,
    "s": 66.222,
    "l": 55.882
  },
  "oklch": {
    "l": 0.58625,
    "c": 0.15873,
    "h": 261.6
  },
  "luminance": 0.19672
}

Semantic roles & 50–950 ramp

primary

#4478D9

secondary

#DBC69E

accent

#AE3FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4478D9

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

Preview Lab → · Contrast checker → · Palette generator →