#6488EB#6488EB

#6488EB is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.7% C 0.154 H 267.0°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#6488EB
RGB	rgb(100, 136, 235)
HSL	hsl(224, 77%, 66%)
HSV	hsv(224, 57%, 92%)
CMYK	cmyk(57.4%, 42.1%, 0%, 7.8%)
CIE-LAB	lab(58.33, 16.40, -53.90)
CIE-LCH	lch(58.33, 56.34, 286.92°)
OKLab	oklab(64.65% -0.0079 -0.1533)
OKLCH	oklch(64.65% 0.154 267)
XYZ	xyz(29.0500, 26.3135, 82.1293)
Luminance	0.2632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6488EB #EBC764

analogous

#64CBEB #6488EB #8364EB

triadic

#6488EB #EB6488 #88EB64

tetradic

#6488EB #EB64CB #EBC764 #64EB83

square

#6488EB #EB64CB #EBC764 #64EB83

split-complementary

#6488EB #EB8364 #CBEB64

monochromatic

#1844BC #2E5EE4 #6488EB #9AB2F2 #D0DBF9

Accessibility & contrast

On white

3.35

#6488EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#6488EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6488EB

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6488EB	#FFFFFF	#000000	##000000
##6488EB	1.00	3.35	6.26	6.26
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D93EF

Deuteranopia (green-blind)

#4A87E9

Tritanopia (blue-blind)

#009EAE

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #6488eb;
/* rgb */ color: rgb(100, 136, 235);
/* oklch */ color: oklch(64.7% 0.154 267.0);

Tailwind

colors: {
  custom: {
    50: '#9aaaf2',
    500: '#6488eb',
    950: '#000000',
  },
}

SCSS

$custom: #6488eb;
$custom-light: #9aaaf2;
$custom-dark: #000000;

JSON

{
  "hex": "#6488eb",
  "rgb": {
    "r": 100,
    "g": 136,
    "b": 235
  },
  "hsl": {
    "h": 224,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.64654,
    "c": 0.15355,
    "h": 267
  },
  "luminance": 0.26316
}

Semantic roles & 50–950 ramp

primary

#6488EB

secondary

#ECE0BF

accent

#A30CD9

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6488EB

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

Preview Lab → · Contrast checker → · Palette generator →