#6591FD#6591FD

#6591FD is a light, vivid blue. Relative luminance 0.301; OKLCH L 67.6% C 0.167 H 265.5°. Best body text is #000000 at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#6591FD
RGB	rgb(101, 145, 253)
HSL	hsl(223, 97%, 69%)
HSV	hsv(223, 60%, 99%)
CMYK	cmyk(60.1%, 42.7%, 0%, 0.8%)
CIE-LAB	lab(61.75, 17.07, -58.38)
CIE-LCH	lch(61.75, 60.82, 286.30°)
OKLab	oklab(67.61% -0.0131 -0.1664)
OKLCH	oklch(67.61% 0.167 265.5)
XYZ	xyz(33.2158, 30.1065, 96.9702)
Luminance	0.3011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6591FD #FDD165

analogous

#65DDFD #6591FD #8565FD

triadic

#6591FD #FD6591 #91FD65

tetradic

#6591FD #FD65DD #FDD165 #65FD85

square

#6591FD #FD65DD #FDD165 #65FD85

split-complementary

#6591FD #FD8565 #DDFD65

monochromatic

#0344E5 #2966FC #6591FD #A1BCFE #DEE7FF

Accessibility & contrast

On white

2.99

#6591FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.02

#6591FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6591FD

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6591FD	#FFFFFF	#000000	##000000
##6591FD	1.00	2.99	7.02	7.02
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.02	21.00	1.00	1.00
##000000	7.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#609DFF

Deuteranopia (green-blind)

#4A8FFB

Tritanopia (blue-blind)

#00A9BB

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #6591fd;
/* rgb */ color: rgb(101, 145, 253);
/* oklch */ color: oklch(67.6% 0.167 265.5);

Tailwind

colors: {
  custom: {
    50: '#9db0fe',
    500: '#6591fd',
    950: '#000000',
  },
}

SCSS

$custom: #6591fd;
$custom-light: #9db0fe;
$custom-dark: #000000;

JSON

{
  "hex": "#6591fd",
  "rgb": {
    "r": 101,
    "g": 145,
    "b": 253
  },
  "hsl": {
    "h": 222.632,
    "s": 97.436,
    "l": 69.412
  },
  "oklch": {
    "l": 0.67609,
    "c": 0.16689,
    "h": 265.5
  },
  "luminance": 0.30109
}

Semantic roles & 50–950 ramp

primary

#6591FD

secondary

#F5E8C9

accent

#A300E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #6591FD

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

Preview Lab → · Contrast checker → · Palette generator →