#6580EC#6580EC

#6580EC is a light, vivid blue. Relative luminance 0.243; OKLCH L 63.2% C 0.164 H 270.5°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#6580EC
RGB	rgb(101, 128, 236)
HSL	hsl(228, 78%, 66%)
HSV	hsv(228, 57%, 93%)
CMYK	cmyk(57.2%, 45.8%, 0%, 7.5%)
CIE-LAB	lab(56.35, 21.73, -57.62)
CIE-LCH	lch(56.35, 61.58, 290.66°)
OKLab	oklab(63.17% 0.0016 -0.1643)
OKLCH	oklch(63.17% 0.164 270.5)
XYZ	xyz(28.2213, 24.2590, 82.5359)
Luminance	0.2426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6580EC #ECD165

analogous

#65C3EC #6580EC #8D65EC

triadic

#6580EC #EC6580 #80EC65

tetradic

#6580EC #EC65C3 #ECD165 #65EC8D

square

#6580EC #EC65C3 #ECD165 #65EC8D

split-complementary

#6580EC #EC8D65 #C3EC65

monochromatic

#1839BF #2F53E5 #6580EC #9BADF3 #D2DAF9

Accessibility & contrast

On white

3.59

#6580EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#6580EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6580EC

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6580EC	#FFFFFF	#000000	##000000
##6580EC	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D8DF0

Deuteranopia (green-blind)

#3A82EA

Tritanopia (blue-blind)

#0098AB

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #6580ec;
/* rgb */ color: rgb(101, 128, 236);
/* oklch */ color: oklch(63.2% 0.164 270.5);

Tailwind

colors: {
  custom: {
    50: '#9ba4f3',
    500: '#6580ec',
    950: '#000000',
  },
}

SCSS

$custom: #6580ec;
$custom-light: #9ba4f3;
$custom-dark: #000000;

JSON

{
  "hex": "#6580ec",
  "rgb": {
    "r": 101,
    "g": 128,
    "b": 236
  },
  "hsl": {
    "h": 228,
    "s": 78.035,
    "l": 66.078
  },
  "oklch": {
    "l": 0.63166,
    "c": 0.16436,
    "h": 270.5
  },
  "luminance": 0.24261
}

Semantic roles & 50–950 ramp

primary

#6580EC

secondary

#EDE4C0

accent

#B10BDA

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #6580EC

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

Preview Lab → · Contrast checker → · Palette generator →