#478CEF#478CEF

#478CEF is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.4% C 0.164 H 257.7°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#478CEF
RGB	rgb(71, 140, 239)
HSL	hsl(215, 84%, 61%)
HSV	hsv(215, 70%, 94%)
CMYK	cmyk(70.3%, 41.4%, 0%, 6.3%)
CIE-LAB	lab(58.34, 10.46, -56.17)
CIE-LCH	lch(58.34, 57.14, 280.54°)
OKLab	oklab(64.38% -0.0349 -0.1605)
OKLCH	oklch(64.38% 0.164 257.7)
XYZ	xyz(27.5509, 26.3248, 85.2738)
Luminance	0.2633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#478CEF #EFAA47

analogous

#47E0EF #478CEF #5647EF

triadic

#478CEF #EF478C #8CEF47

tetradic

#478CEF #EF47E0 #EFAA47 #47EF56

square

#478CEF #EF47E0 #EFAA47 #47EF56

split-complementary

#478CEF #EF5647 #E0EF47

monochromatic

#0F50AD #146AE5 #478CEF #7FAFF4 #B8D2F9

Accessibility & contrast

On white

3.35

#478CEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#478CEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #478CEF

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##478CEF	#FFFFFF	#000000	##000000
##478CEF	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D95F3

Deuteranopia (green-blind)

#4185ED

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #478cef;
/* rgb */ color: rgb(71, 140, 239);
/* oklch */ color: oklch(64.4% 0.164 257.7);

Tailwind

colors: {
  custom: {
    50: '#8dadf5',
    500: '#478cef',
    950: '#000000',
  },
}

SCSS

$custom: #478cef;
$custom-light: #8dadf5;
$custom-dark: #000000;

JSON

{
  "hex": "#478cef",
  "rgb": {
    "r": 71,
    "g": 140,
    "b": 239
  },
  "hsl": {
    "h": 215.357,
    "s": 84,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64382,
    "c": 0.16421,
    "h": 257.7
  },
  "luminance": 0.26328
}

Semantic roles & 50–950 ramp

primary

#478CEF

secondary

#E9CFA9

accent

#8605E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #478CEF

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

Preview Lab → · Contrast checker → · Palette generator →