#6590EB#6590EB

#6590EB is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.4% C 0.144 H 263.8°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#6590EB
RGB	rgb(101, 144, 235)
HSL	hsl(221, 77%, 66%)
HSV	hsv(221, 57%, 92%)
CMYK	cmyk(57%, 38.7%, 0%, 7.8%)
CIE-LAB	lab(60.52, 11.83, -50.41)
CIE-LCH	lch(60.52, 51.78, 283.21°)
OKLab	oklab(66.36% -0.0155 -0.143)
OKLCH	oklch(66.36% 0.144 263.8)
XYZ	xyz(30.3304, 28.7089, 82.5242)
Luminance	0.2871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6590EB #EBC065

analogous

#65D3EB #6590EB #7D65EB

triadic

#6590EB #EB6590 #90EB65

tetradic

#6590EB #EB65D3 #EBC065 #65EB7D

square

#6590EB #EB65D3 #EBC065 #65EB7D

split-complementary

#6590EB #EB7D65 #D3EB65

monochromatic

#194DBD #2F69E4 #6590EB #9BB7F2 #D1DEF9

Accessibility & contrast

On white

3.11

#6590EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#6590EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6590EB

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6590EB	#FFFFFF	#000000	##000000
##6590EB	1.00	3.11	6.74	6.74
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A99EF

Deuteranopia (green-blind)

#588CE9

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #6590eb;
/* rgb */ color: rgb(101, 144, 235);
/* oklch */ color: oklch(66.4% 0.144 263.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#6590eb",
  "rgb": {
    "r": 101,
    "g": 144,
    "b": 235
  },
  "hsl": {
    "h": 220.746,
    "s": 77.011,
    "l": 65.882
  },
  "oklch": {
    "l": 0.66357,
    "c": 0.14387,
    "h": 263.8
  },
  "luminance": 0.28711
}

Semantic roles & 50–950 ramp

primary

#6590EB

secondary

#ECDEC0

accent

#970CD9

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6590EB

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

Preview Lab → · Contrast checker → · Palette generator →