#6478EB#6478EB

#6478EB is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.5% C 0.173 H 272.9°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#6478EB
RGB	rgb(100, 120, 235)
HSL	hsl(231, 77%, 66%)
HSV	hsv(231, 57%, 92%)
CMYK	cmyk(57.4%, 48.9%, 0%, 7.8%)
CIE-LAB	lab(54.17, 26.06, -60.55)
CIE-LCH	lch(54.17, 65.92, 293.28°)
OKLab	oklab(61.48% 0.0087 -0.1731)
OKLCH	oklch(61.48% 0.173 272.9)
XYZ	xyz(26.9625, 22.1384, 81.4335)
Luminance	0.2214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6478EB #EBD764

analogous

#64BBEB #6478EB #9364EB

triadic

#6478EB #EB6478 #78EB64

tetradic

#6478EB #EB64BB #EBD764 #64EB93

square

#6478EB #EB64BB #EBD764 #64EB93

split-complementary

#6478EB #EB9364 #BBEB64

monochromatic

#1831BC #2E49E4 #6478EB #9AA7F2 #D0D6F9

Accessibility & contrast

On white

3.87

#6478EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#6478EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6478EB

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6478EB	#FFFFFF	#000000	##000000
##6478EB	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D88EF

Deuteranopia (green-blind)

#267CE9

Tritanopia (blue-blind)

#0092A6

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #6478eb;
/* rgb */ color: rgb(100, 120, 235);
/* oklch */ color: oklch(61.5% 0.173 272.9);

Tailwind

colors: {
  custom: {
    50: '#9a9ef2',
    500: '#6478eb',
    950: '#000000',
  },
}

SCSS

$custom: #6478eb;
$custom-light: #9a9ef2;
$custom-dark: #000000;

JSON

{
  "hex": "#6478eb",
  "rgb": {
    "r": 100,
    "g": 120,
    "b": 235
  },
  "hsl": {
    "h": 231.111,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.61481,
    "c": 0.17329,
    "h": 272.9
  },
  "luminance": 0.2214
}

Semantic roles & 50–950 ramp

primary

#6478EB

secondary

#ECE5BF

accent

#BB0CD9

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6478EB

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

Preview Lab → · Contrast checker → · Palette generator →