#6590EE#6590EE

#6590EE is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.5% C 0.148 H 264.2°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#6590EE
RGB	rgb(101, 144, 238)
HSL	hsl(221, 80%, 66%)
HSV	hsv(221, 58%, 93%)
CMYK	cmyk(57.6%, 39.5%, 0%, 6.7%)
CIE-LAB	lab(60.68, 12.80, -51.82)
CIE-LCH	lch(60.68, 53.38, 283.87°)
OKLab	oklab(66.53% -0.0149 -0.1472)
OKLCH	oklch(66.53% 0.148 264.2)
XYZ	xyz(30.7674, 28.8837, 84.8261)
Luminance	0.2889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6590EE #EEC365

analogous

#65D5EE #6590EE #7F65EE

triadic

#6590EE #EE6590 #90EE65

tetradic

#6590EE #EE65D5 #EEC365 #65EE7F

square

#6590EE #EE65D5 #EEC365 #65EE7F

split-complementary

#6590EE #EE7F65 #D5EE65

monochromatic

#164CC3 #2E68E8 #6590EE #9CB8F4 #D3DFFA

Accessibility & contrast

On white

3.10

#6590EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#6590EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6590EE

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6590EE	#FFFFFF	#000000	##000000
##6590EE	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6899F2

Deuteranopia (green-blind)

#568DEC

Tritanopia (blue-blind)

#00A5B3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #6590ee;
/* rgb */ color: rgb(101, 144, 238);
/* oklch */ color: oklch(66.5% 0.148 264.2);

Tailwind

colors: {
  custom: {
    50: '#9bb0f4',
    500: '#6590ee',
    950: '#000000',
  },
}

SCSS

$custom: #6590ee;
$custom-light: #9bb0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#6590ee",
  "rgb": {
    "r": 101,
    "g": 144,
    "b": 238
  },
  "hsl": {
    "h": 221.168,
    "s": 80.117,
    "l": 66.471
  },
  "oklch": {
    "l": 0.66527,
    "c": 0.14792,
    "h": 264.2
  },
  "luminance": 0.28886
}

Semantic roles & 50–950 ramp

primary

#6590EE

secondary

#EEE0C1

accent

#9A09DC

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6590EE

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

Preview Lab → · Contrast checker → · Palette generator →