#6578EB#6578EB

#6578EB is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.5% C 0.173 H 273.2°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#6578EB
RGB	rgb(101, 120, 235)
HSL	hsl(231, 77%, 66%)
HSV	hsv(231, 57%, 92%)
CMYK	cmyk(57%, 48.9%, 0%, 7.8%)
CIE-LAB	lab(54.23, 26.25, -60.45)
CIE-LCH	lch(54.23, 65.91, 293.47°)
OKLab	oklab(61.54% 0.0097 -0.1727)
OKLCH	oklch(61.54% 0.173 273.2)
XYZ	xyz(27.0738, 22.1958, 81.4387)
Luminance	0.2220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6578EB #EBD865

analogous

#65BBEB #6578EB #9565EB

triadic

#6578EB #EB6578 #78EB65

tetradic

#6578EB #EB65BB #EBD865 #65EB95

square

#6578EB #EB65BB #EBD865 #65EB95

split-complementary

#6578EB #EB9565 #BBEB65

monochromatic

#1930BD #2F49E4 #6578EB #9BA7F2 #D1D7F9

Accessibility & contrast

On white

3.86

#6578EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#6578EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6578EB

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6578EB	#FFFFFF	#000000	##000000
##6578EB	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D88EF

Deuteranopia (green-blind)

#277CE9

Tritanopia (blue-blind)

#0192A6

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #6578eb;
/* rgb */ color: rgb(101, 120, 235);
/* oklch */ color: oklch(61.5% 0.173 273.2);

Tailwind

colors: {
  custom: {
    50: '#9b9ef2',
    500: '#6578eb',
    950: '#000000',
  },
}

SCSS

$custom: #6578eb;
$custom-light: #9b9ef2;
$custom-dark: #000000;

JSON

{
  "hex": "#6578eb",
  "rgb": {
    "r": 101,
    "g": 120,
    "b": 235
  },
  "hsl": {
    "h": 231.493,
    "s": 77.011,
    "l": 65.882
  },
  "oklch": {
    "l": 0.61542,
    "c": 0.17302,
    "h": 273.2
  },
  "luminance": 0.22198
}

Semantic roles & 50–950 ramp

primary

#6578EB

secondary

#ECE6C0

accent

#BC0CD9

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6578EB

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

Preview Lab → · Contrast checker → · Palette generator →