#6581EF#6581EF

#6581EF is a light, vivid blue. Relative luminance 0.247; OKLCH L 63.6% C 0.167 H 270.3°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#6581EF
RGB	rgb(101, 129, 239)
HSL	hsl(228, 81%, 67%)
HSV	hsv(228, 58%, 94%)
CMYK	cmyk(57.7%, 46%, 0%, 6.3%)
CIE-LAB	lab(56.78, 22.10, -58.60)
CIE-LCH	lch(56.78, 62.63, 290.66°)
OKLab	oklab(63.55% 0.0009 -0.1672)
OKLCH	oklch(63.55% 0.167 270.3)
XYZ	xyz(28.7919, 24.6970, 84.8944)
Luminance	0.2470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6581EF #EFD365

analogous

#65C6EF #6581EF #8E65EF

triadic

#6581EF #EF6581 #81EF65

tetradic

#6581EF #EF65C6 #EFD365 #65EF8E

square

#6581EF #EF65C6 #EFD365 #65EF8E

split-complementary

#6581EF #EF8E65 #C6EF65

monochromatic

#1438C5 #2E54E9 #6581EF #9CAEF5 #D4DCFB

Accessibility & contrast

On white

3.54

#6581EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#6581EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6581EF

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6581EF	#FFFFFF	#000000	##000000
##6581EF	1.00	3.54	5.94	5.94
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D8FF3

Deuteranopia (green-blind)

#3882ED

Tritanopia (blue-blind)

#009AAC

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #6581ef;
/* rgb */ color: rgb(101, 129, 239);
/* oklch */ color: oklch(63.6% 0.167 270.3);

Tailwind

colors: {
  custom: {
    50: '#9ba5f5',
    500: '#6581ef',
    950: '#000000',
  },
}

SCSS

$custom: #6581ef;
$custom-light: #9ba5f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6581ef",
  "rgb": {
    "r": 101,
    "g": 129,
    "b": 239
  },
  "hsl": {
    "h": 227.826,
    "s": 81.176,
    "l": 66.667
  },
  "oklch": {
    "l": 0.63552,
    "c": 0.1672,
    "h": 270.3
  },
  "luminance": 0.24699
}

Semantic roles & 50–950 ramp

primary

#6581EF

secondary

#EEE5C2

accent

#B208DE

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #6581EF

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

Preview Lab → · Contrast checker → · Palette generator →