#6491E3#6491E3

#6491E3 is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.1% C 0.132 H 261.6°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#6491E3
RGB	rgb(100, 145, 227)
HSL	hsl(219, 69%, 64%)
HSV	hsv(219, 56%, 89%)
CMYK	cmyk(55.9%, 36.1%, 0%, 11%)
CIE-LAB	lab(60.34, 8.48, -46.27)
CIE-LCH	lch(60.34, 47.04, 280.39°)
OKLab	oklab(66.07% -0.0193 -0.1309)
OKLCH	oklch(66.07% 0.132 261.6)
XYZ	xyz(29.2413, 28.5038, 76.6190)
Luminance	0.2851 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6491E3 #E3B664

analogous

#64D1E3 #6491E3 #7764E3

triadic

#6491E3 #E36491 #91E364

tetradic

#6491E3 #E364D1 #E3B664 #64E377

square

#6491E3 #E364D1 #E3B664 #64E377

split-complementary

#6491E3 #E37764 #D1E364

monochromatic

#1F52AD #306CDA #6491E3 #98B6EC #CCDBF6

Accessibility & contrast

On white

3.13

#6491E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#6491E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6491E3

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6491E3	#FFFFFF	#000000	##000000
##6491E3	1.00	3.13	6.70	6.70
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F98E6

Deuteranopia (green-blind)

#5F8CE1

Tritanopia (blue-blind)

#03A3AF

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #6491e3;
/* rgb */ color: rgb(100, 145, 227);
/* oklch */ color: oklch(66.1% 0.132 261.6);

Tailwind

colors: {
  custom: {
    50: '#99b0ec',
    500: '#6491e3',
    950: '#000000',
  },
}

SCSS

$custom: #6491e3;
$custom-light: #99b0ec;
$custom-dark: #000000;

JSON

{
  "hex": "#6491e3",
  "rgb": {
    "r": 100,
    "g": 145,
    "b": 227
  },
  "hsl": {
    "h": 218.74,
    "s": 69.399,
    "l": 64.118
  },
  "oklch": {
    "l": 0.6607,
    "c": 0.13234,
    "h": 261.6
  },
  "luminance": 0.28506
}

Semantic roles & 50–950 ramp

primary

#6491E3

secondary

#E8D8BB

accent

#8E14D1

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #6491E3

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

Preview Lab → · Contrast checker → · Palette generator →