#6488DC#6488DC

#6488DC is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.8% C 0.133 H 265.3°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#6488DC
RGB	rgb(100, 136, 220)
HSL	hsl(222, 63%, 63%)
HSV	hsv(222, 55%, 86%)
CMYK	cmyk(54.5%, 38.2%, 0%, 13.7%)
CIE-LAB	lab(57.54, 11.58, -46.79)
CIE-LCH	lch(57.54, 48.20, 283.90°)
OKLab	oklab(63.79% -0.0109 -0.1325)
OKLCH	oklch(63.79% 0.133 265.3)
XYZ	xyz(26.9736, 25.4829, 71.1936)
Luminance	0.2549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6488DC #DCB864

analogous

#64C4DC #6488DC #7C64DC

triadic

#6488DC #DC6488 #88DC64

tetradic

#6488DC #DC64C4 #DCB864 #64DC7C

square

#6488DC #DC64C4 #DCB864 #64DC7C

split-complementary

#6488DC #DC7C64 #C4DC64

monochromatic

#244AA1 #3262D1 #6488DC #96AEE7 #C8D5F3

Accessibility & contrast

On white

3.44

#6488DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#6488DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6488DC

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6488DC	#FFFFFF	#000000	##000000
##6488DC	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6690DF

Deuteranopia (green-blind)

#5785DA

Tritanopia (blue-blind)

#1E9AA7

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #6488dc;
/* rgb */ color: rgb(100, 136, 220);
/* oklch */ color: oklch(63.8% 0.133 265.3);

Tailwind

colors: {
  custom: {
    50: '#98aae7',
    500: '#6488dc',
    950: '#000000',
  },
}

SCSS

$custom: #6488dc;
$custom-light: #98aae7;
$custom-dark: #000000;

JSON

{
  "hex": "#6488dc",
  "rgb": {
    "r": 100,
    "g": 136,
    "b": 220
  },
  "hsl": {
    "h": 222,
    "s": 63.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.63788,
    "c": 0.13299,
    "h": 265.3
  },
  "luminance": 0.25485
}

Semantic roles & 50–950 ramp

primary

#6488DC

secondary

#E4D7B8

accent

#961BCB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #6488DC

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

Preview Lab → · Contrast checker → · Palette generator →