#6565EB#6565EB

#6565EB is a mid, vivid blue. Relative luminance 0.181; OKLCH L 58.1% C 0.197 H 278.3°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#6565EB
RGB	rgb(101, 101, 235)
HSL	hsl(240, 77%, 66%)
HSV	hsv(240, 57%, 92%)
CMYK	cmyk(57%, 57%, 0%, 7.8%)
CIE-LAB	lab(49.58, 37.73, -67.96)
CIE-LCH	lch(49.58, 77.73, 299.04°)
OKLab	oklab(58.06% 0.0285 -0.195)
OKLCH	oklch(58.06% 0.197 278.3)
XYZ	xyz(25.0111, 18.0705, 80.7511)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6565EB #EBEB65

analogous

#65A8EB #6565EB #A865EB

triadic

#6565EB #EB6565 #65EB65

tetradic

#6565EB #EB65A8 #EBEB65 #65EBA8

square

#6565EB #EB65A8 #EBEB65 #65EBA8

split-complementary

#6565EB #EBA865 #A8EB65

monochromatic

#1919BD #2F2FE4 #6565EB #9B9BF2 #D1D1F9

Accessibility & contrast

On white

4.55

#6565EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#6565EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6565EB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6565EB	#FFFFFF	#000000	##000000
##6565EB	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BEF

Deuteranopia (green-blind)

#0070E8

Tritanopia (blue-blind)

#0F859E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #6565eb;
/* rgb */ color: rgb(101, 101, 235);
/* oklch */ color: oklch(58.1% 0.197 278.3);

Tailwind

colors: {
  custom: {
    50: '#9c91f2',
    500: '#6565eb',
    950: '#000000',
  },
}

SCSS

$custom: #6565eb;
$custom-light: #9c91f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6565eb",
  "rgb": {
    "r": 101,
    "g": 101,
    "b": 235
  },
  "hsl": {
    "h": 240,
    "s": 77.011,
    "l": 65.882
  },
  "oklch": {
    "l": 0.58056,
    "c": 0.1971,
    "h": 278.3
  },
  "luminance": 0.18072
}

Semantic roles & 50–950 ramp

primary

#6565EB

secondary

#ECECC0

accent

#D90CD9

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #6565EB

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

Preview Lab → · Contrast checker → · Palette generator →