#6590DF#6590DF

#6590DF is a light, vivid blue. Relative luminance 0.280; OKLCH L 65.7% C 0.128 H 261.8°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#6590DF
RGB	rgb(101, 144, 223)
HSL	hsl(219, 66%, 64%)
HSV	hsv(219, 55%, 87%)
CMYK	cmyk(54.7%, 35.4%, 0%, 12.5%)
CIE-LAB	lab(59.92, 8.01, -44.70)
CIE-LCH	lch(59.92, 45.41, 280.16°)
OKLab	oklab(65.7% -0.0182 -0.1263)
OKLCH	oklch(65.7% 0.128 261.8)
XYZ	xyz(28.6548, 28.0387, 73.6997)
Luminance	0.2804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6590DF #DFB465

analogous

#65CDDF #6590DF #7765DF

triadic

#6590DF #DF6590 #90DF65

tetradic

#6590DF #DF65CD #DFB465 #65DF77

square

#6590DF #DF65CD #DFB465 #65DF77

split-complementary

#6590DF #DF7765 #CDDF65

monochromatic

#2351A7 #326BD4 #6590DF #98B5EA #CAD9F4

Accessibility & contrast

On white

3.18

#6590DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#6590DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6590DF

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6590DF	#FFFFFF	#000000	##000000
##6590DF	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7097E2

Deuteranopia (green-blind)

#618BDD

Tritanopia (blue-blind)

#1AA1AD

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #6590df;
/* rgb */ color: rgb(101, 144, 223);
/* oklch */ color: oklch(65.7% 0.128 261.8);

Tailwind

colors: {
  custom: {
    50: '#99b0e9',
    500: '#6590df',
    950: '#000000',
  },
}

SCSS

$custom: #6590df;
$custom-light: #99b0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#6590df",
  "rgb": {
    "r": 101,
    "g": 144,
    "b": 223
  },
  "hsl": {
    "h": 218.852,
    "s": 65.591,
    "l": 63.529
  },
  "oklch": {
    "l": 0.65696,
    "c": 0.12766,
    "h": 261.8
  },
  "luminance": 0.28041
}

Semantic roles & 50–950 ramp

primary

#6590DF

secondary

#E6D6BA

accent

#8E18CD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #6590DF

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

Preview Lab → · Contrast checker → · Palette generator →