#6478EF#6478EF

#6478EF is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.7% C 0.179 H 272.9°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#6478EF
RGB	rgb(100, 120, 239)
HSL	hsl(231, 81%, 66%)
HSV	hsv(231, 58%, 94%)
CMYK	cmyk(58.2%, 49.8%, 0%, 6.3%)
CIE-LAB	lab(54.42, 27.36, -62.39)
CIE-LCH	lch(54.42, 68.12, 293.68°)
OKLab	oklab(61.75% 0.009 -0.1785)
OKLCH	oklch(61.75% 0.179 272.9)
XYZ	xyz(27.5469, 22.3721, 84.5112)
Luminance	0.2237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6478EF #EFDB64

analogous

#64BEEF #6478EF #9664EF

triadic

#6478EF #EF6478 #78EF64

tetradic

#6478EF #EF64BE #EFDB64 #64EF96

square

#6478EF #EF64BE #EFDB64 #64EF96

split-complementary

#6478EF #EF9664 #BEEF64

monochromatic

#142EC4 #2D48E9 #6478EF #9BA8F5 #D3D9FA

Accessibility & contrast

On white

3.84

#6478EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#6478EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6478EF

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6478EF	#FFFFFF	#000000	##000000
##6478EF	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3988F3

Deuteranopia (green-blind)

#1C7CED

Tritanopia (blue-blind)

#0093A8

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #6478ef;
/* rgb */ color: rgb(100, 120, 239);
/* oklch */ color: oklch(61.7% 0.179 272.9);

Tailwind

colors: {
  custom: {
    50: '#9b9ef5',
    500: '#6478ef',
    950: '#000000',
  },
}

SCSS

$custom: #6478ef;
$custom-light: #9b9ef5;
$custom-dark: #000000;

JSON

{
  "hex": "#6478ef",
  "rgb": {
    "r": 100,
    "g": 120,
    "b": 239
  },
  "hsl": {
    "h": 231.367,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.61746,
    "c": 0.1787,
    "h": 272.9
  },
  "luminance": 0.22374
}

Semantic roles & 50–950 ramp

primary

#6478EF

secondary

#EEE7C1

accent

#BF08DE

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6478EF

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

Preview Lab → · Contrast checker → · Palette generator →