#6581EC#6581EC

#6581EC is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.4% C 0.163 H 270.2°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#6581EC
RGB	rgb(101, 129, 236)
HSL	hsl(228, 78%, 66%)
HSV	hsv(228, 57%, 93%)
CMYK	cmyk(57.2%, 45.3%, 0%, 7.5%)
CIE-LAB	lab(56.61, 21.13, -57.21)
CIE-LCH	lch(56.61, 60.98, 290.27°)
OKLab	oklab(63.36% 0.0005 -0.1631)
OKLCH	oklch(63.36% 0.163 270.2)
XYZ	xyz(28.3524, 24.5211, 82.5796)
Luminance	0.2452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6581EC #ECD065

analogous

#65C4EC #6581EC #8C65EC

triadic

#6581EC #EC6581 #81EC65

tetradic

#6581EC #EC65C4 #ECD065 #65EC8C

square

#6581EC #EC65C4 #ECD065 #65EC8C

split-complementary

#6581EC #EC8C65 #C4EC65

monochromatic

#183ABF #2F54E5 #6581EC #9BAEF3 #D2DAF9

Accessibility & contrast

On white

3.56

#6581EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#6581EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6581EC

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6581EC	#FFFFFF	#000000	##000000
##6581EC	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F8EF0

Deuteranopia (green-blind)

#3C82EA

Tritanopia (blue-blind)

#0099AB

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #6581ec;
/* rgb */ color: rgb(101, 129, 236);
/* oklch */ color: oklch(63.4% 0.163 270.2);

Tailwind

colors: {
  custom: {
    50: '#9ba5f3',
    500: '#6581ec',
    950: '#000000',
  },
}

SCSS

$custom: #6581ec;
$custom-light: #9ba5f3;
$custom-dark: #000000;

JSON

{
  "hex": "#6581ec",
  "rgb": {
    "r": 101,
    "g": 129,
    "b": 236
  },
  "hsl": {
    "h": 227.556,
    "s": 78.035,
    "l": 66.078
  },
  "oklch": {
    "l": 0.63364,
    "c": 0.16312,
    "h": 270.2
  },
  "luminance": 0.24523
}

Semantic roles & 50–950 ramp

primary

#6581EC

secondary

#EDE3C0

accent

#AF0BDA

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #6581EC

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

Preview Lab → · Contrast checker → · Palette generator →