#6591EA#6591EA

#6591EA is a light, vivid blue. Relative luminance 0.290; OKLCH L 66.5% C 0.141 H 263.2°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#6591EA
RGB	rgb(101, 145, 234)
HSL	hsl(220, 76%, 66%)
HSV	hsv(220, 57%, 92%)
CMYK	cmyk(56.8%, 38%, 0%, 8.2%)
CIE-LAB	lab(60.74, 10.92, -49.51)
CIE-LCH	lch(60.74, 50.70, 282.44°)
OKLab	oklab(66.51% -0.0168 -0.1404)
OKLCH	oklch(66.51% 0.141 263.2)
XYZ	xyz(30.3384, 28.9556, 81.8162)
Luminance	0.2896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6591EA #EABE65

analogous

#65D4EA #6591EA #7B65EA

triadic

#6591EA #EA6591 #91EA65

tetradic

#6591EA #EA65D4 #EABE65 #65EA7B

square

#6591EA #EA65D4 #EABE65 #65EA7B

split-complementary

#6591EA #EA7B65 #D4EA65

monochromatic

#1A4FBB #2F6BE3 #6591EA #9BB7F1 #D1DEF9

Accessibility & contrast

On white

3.09

#6591EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#6591EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6591EA

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6591EA	#FFFFFF	#000000	##000000
##6591EA	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C99EE

Deuteranopia (green-blind)

#5B8DE8

Tritanopia (blue-blind)

#00A5B2

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #6591ea;
/* rgb */ color: rgb(101, 145, 234);
/* oklch */ color: oklch(66.5% 0.141 263.2);

Tailwind

colors: {
  custom: {
    50: '#9ab0f1',
    500: '#6591ea',
    950: '#000000',
  },
}

SCSS

$custom: #6591ea;
$custom-light: #9ab0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#6591ea",
  "rgb": {
    "r": 101,
    "g": 145,
    "b": 234
  },
  "hsl": {
    "h": 220.15,
    "s": 76,
    "l": 65.686
  },
  "oklch": {
    "l": 0.66509,
    "c": 0.14139,
    "h": 263.2
  },
  "luminance": 0.28958
}

Semantic roles & 50–950 ramp

primary

#6591EA

secondary

#ECDDBF

accent

#950DD8

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6591EA

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

Preview Lab → · Contrast checker → · Palette generator →