#6590EC#6590EC

#6590EC is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.4% C 0.145 H 264.0°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#6590EC
RGB	rgb(101, 144, 236)
HSL	hsl(221, 78%, 66%)
HSV	hsv(221, 57%, 93%)
CMYK	cmyk(57.2%, 39%, 0%, 7.5%)
CIE-LAB	lab(60.58, 12.15, -50.88)
CIE-LCH	lch(60.58, 52.31, 283.43°)
OKLab	oklab(66.41% -0.0153 -0.1444)
OKLCH	oklch(66.41% 0.145 264)
XYZ	xyz(30.4752, 28.7669, 83.2872)
Luminance	0.2877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6590EC #ECC165

analogous

#65D3EC #6590EC #7D65EC

triadic

#6590EC #EC6590 #90EC65

tetradic

#6590EC #EC65D3 #ECC165 #65EC7D

square

#6590EC #EC65D3 #ECC165 #65EC7D

split-complementary

#6590EC #EC7D65 #D3EC65

monochromatic

#184DBF #2F69E5 #6590EC #9BB7F3 #D2DFF9

Accessibility & contrast

On white

3.11

#6590EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#6590EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6590EC

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6590EC	#FFFFFF	#000000	##000000
##6590EC	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6999F0

Deuteranopia (green-blind)

#588CEA

Tritanopia (blue-blind)

#00A4B3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #6590ec;
/* rgb */ color: rgb(101, 144, 236);
/* oklch */ color: oklch(66.4% 0.145 264.0);

Tailwind

colors: {
  custom: {
    50: '#9ab0f2',
    500: '#6590ec',
    950: '#000000',
  },
}

SCSS

$custom: #6590ec;
$custom-light: #9ab0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6590ec",
  "rgb": {
    "r": 101,
    "g": 144,
    "b": 236
  },
  "hsl": {
    "h": 220.889,
    "s": 78.035,
    "l": 66.078
  },
  "oklch": {
    "l": 0.66413,
    "c": 0.14522,
    "h": 264
  },
  "luminance": 0.28769
}

Semantic roles & 50–950 ramp

primary

#6590EC

secondary

#EDDEC0

accent

#980BDA

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6590EC

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

Preview Lab → · Contrast checker → · Palette generator →