#6588DC#6588DC

#6588DC is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.8% C 0.133 H 265.7°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#6588DC
RGB	rgb(101, 136, 220)
HSL	hsl(222, 63%, 63%)
HSV	hsv(222, 54%, 86%)
CMYK	cmyk(54.1%, 38.2%, 0%, 13.7%)
CIE-LAB	lab(57.60, 11.79, -46.70)
CIE-LCH	lch(57.60, 48.17, 284.17°)
OKLab	oklab(63.85% -0.0099 -0.1322)
OKLCH	oklch(63.85% 0.133 265.7)
XYZ	xyz(27.0849, 25.5403, 71.1988)
Luminance	0.2554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6588DC #DCB965

analogous

#65C3DC #6588DC #7D65DC

triadic

#6588DC #DC6588 #88DC65

tetradic

#6588DC #DC65C3 #DCB965 #65DC7D

square

#6588DC #DC65C3 #DCB965 #65DC7D

split-complementary

#6588DC #DC7D65 #C3DC65

monochromatic

#254AA2 #3361D1 #6588DC #97AFE7 #C9D5F3

Accessibility & contrast

On white

3.44

#6588DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#6588DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6588DC

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6588DC	#FFFFFF	#000000	##000000
##6588DC	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6690DF

Deuteranopia (green-blind)

#5885DA

Tritanopia (blue-blind)

#239AA7

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #6588dc;
/* rgb */ color: rgb(101, 136, 220);
/* oklch */ color: oklch(63.8% 0.133 265.7);

Tailwind

colors: {
  custom: {
    50: '#99aae7',
    500: '#6588dc',
    950: '#000000',
  },
}

SCSS

$custom: #6588dc;
$custom-light: #99aae7;
$custom-dark: #000000;

JSON

{
  "hex": "#6588dc",
  "rgb": {
    "r": 101,
    "g": 136,
    "b": 220
  },
  "hsl": {
    "h": 222.353,
    "s": 62.963,
    "l": 62.941
  },
  "oklch": {
    "l": 0.63845,
    "c": 0.13262,
    "h": 265.7
  },
  "luminance": 0.25542
}

Semantic roles & 50–950 ramp

primary

#6588DC

secondary

#E4D7B9

accent

#971BCB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #6588DC

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

Preview Lab → · Contrast checker → · Palette generator →