#6581EB#6581EB

#6581EB is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.3% C 0.162 H 270.1°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#6581EB
RGB	rgb(101, 129, 235)
HSL	hsl(227, 77%, 66%)
HSV	hsv(227, 57%, 92%)
CMYK	cmyk(57%, 45.1%, 0%, 7.8%)
CIE-LAB	lab(56.55, 20.80, -56.74)
CIE-LCH	lch(56.55, 60.44, 290.13°)
OKLab	oklab(63.3% 0.0004 -0.1617)
OKLCH	oklch(63.3% 0.162 270.1)
XYZ	xyz(28.2075, 24.4632, 81.8166)
Luminance	0.2447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6581EB #EBCF65

analogous

#65C4EB #6581EB #8C65EB

triadic

#6581EB #EB6581 #81EB65

tetradic

#6581EB #EB65C4 #EBCF65 #65EB8C

square

#6581EB #EB65C4 #EBCF65 #65EB8C

split-complementary

#6581EB #EB8C65 #C4EB65

monochromatic

#193BBD #2F55E4 #6581EB #9BADF2 #D1DAF9

Accessibility & contrast

On white

3.56

#6581EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#6581EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6581EB

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6581EB	#FFFFFF	#000000	##000000
##6581EB	1.00	3.56	5.89	5.89
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#508EEF

Deuteranopia (green-blind)

#3D82E9

Tritanopia (blue-blind)

#0099AB

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #6581eb;
/* rgb */ color: rgb(101, 129, 235);
/* oklch */ color: oklch(63.3% 0.162 270.1);

Tailwind

colors: {
  custom: {
    50: '#9ba5f2',
    500: '#6581eb',
    950: '#000000',
  },
}

SCSS

$custom: #6581eb;
$custom-light: #9ba5f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6581eb",
  "rgb": {
    "r": 101,
    "g": 129,
    "b": 235
  },
  "hsl": {
    "h": 227.463,
    "s": 77.011,
    "l": 65.882
  },
  "oklch": {
    "l": 0.63302,
    "c": 0.16175,
    "h": 270.1
  },
  "luminance": 0.24465
}

Semantic roles & 50–950 ramp

primary

#6581EB

secondary

#ECE3C0

accent

#AE0CD9

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #6581EB

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

Preview Lab → · Contrast checker → · Palette generator →