#6590EF#6590EF

#6590EF is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.6% C 0.149 H 264.4°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#6590EF
RGB	rgb(101, 144, 239)
HSL	hsl(221, 81%, 67%)
HSV	hsv(221, 58%, 94%)
CMYK	cmyk(57.7%, 39.7%, 0%, 6.3%)
CIE-LAB	lab(60.73, 13.12, -52.29)
CIE-LCH	lch(60.73, 53.91, 284.08°)
OKLab	oklab(66.58% -0.0147 -0.1485)
OKLCH	oklch(66.58% 0.149 264.4)
XYZ	xyz(30.9147, 28.9427, 85.6020)
Luminance	0.2894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6590EF #EFC465

analogous

#65D5EF #6590EF #7F65EF

triadic

#6590EF #EF6590 #90EF65

tetradic

#6590EF #EF65D5 #EFC465 #65EF7F

square

#6590EF #EF65D5 #EFC465 #65EF7F

split-complementary

#6590EF #EF7F65 #D5EF65

monochromatic

#144CC5 #2E68E9 #6590EF #9CB8F5 #D4E0FB

Accessibility & contrast

On white

3.09

#6590EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#6590EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6590EF

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6590EF	#FFFFFF	#000000	##000000
##6590EF	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6799F3

Deuteranopia (green-blind)

#558DED

Tritanopia (blue-blind)

#00A5B4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #6590ef;
/* rgb */ color: rgb(101, 144, 239);
/* oklch */ color: oklch(66.6% 0.149 264.4);

Tailwind

colors: {
  custom: {
    50: '#9bb0f5',
    500: '#6590ef',
    950: '#000000',
  },
}

SCSS

$custom: #6590ef;
$custom-light: #9bb0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6590ef",
  "rgb": {
    "r": 101,
    "g": 144,
    "b": 239
  },
  "hsl": {
    "h": 221.304,
    "s": 81.176,
    "l": 66.667
  },
  "oklch": {
    "l": 0.66584,
    "c": 0.14926,
    "h": 264.4
  },
  "luminance": 0.28945
}

Semantic roles & 50–950 ramp

primary

#6590EF

secondary

#EEE0C2

accent

#9B08DE

background

#FAFAFF

surface

#F3F4FE

border

#CDCED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6590EF

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

Preview Lab → · Contrast checker → · Palette generator →