#6491E4#6491E4

#6491E4 is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.1% C 0.134 H 261.8°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#6491E4
RGB	rgb(100, 145, 228)
HSL	hsl(219, 70%, 64%)
HSV	hsv(219, 56%, 89%)
CMYK	cmyk(56.1%, 36.4%, 0%, 10.6%)
CIE-LAB	lab(60.39, 8.80, -46.75)
CIE-LCH	lch(60.39, 47.57, 280.66°)
OKLab	oklab(66.13% -0.019 -0.1323)
OKLCH	oklch(66.13% 0.134 261.8)
XYZ	xyz(29.3797, 28.5592, 77.3480)
Luminance	0.2856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6491E4 #E4B764

analogous

#64D1E4 #6491E4 #7764E4

triadic

#6491E4 #E46491 #91E464

tetradic

#6491E4 #E464D1 #E4B764 #64E477

square

#6491E4 #E464D1 #E4B764 #64E477

split-complementary

#6491E4 #E47764 #D1E464

monochromatic

#1F51AF #306CDB #6491E4 #98B6ED #CCDBF6

Accessibility & contrast

On white

3.13

#6491E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#6491E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6491E4

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6491E4	#FFFFFF	#000000	##000000
##6491E4	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F98E7

Deuteranopia (green-blind)

#5F8CE2

Tritanopia (blue-blind)

#00A3B0

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #6491e4;
/* rgb */ color: rgb(100, 145, 228);
/* oklch */ color: oklch(66.1% 0.134 261.8);

Tailwind

colors: {
  custom: {
    50: '#99b0ed',
    500: '#6491e4',
    950: '#000000',
  },
}

SCSS

$custom: #6491e4;
$custom-light: #99b0ed;
$custom-dark: #000000;

JSON

{
  "hex": "#6491e4",
  "rgb": {
    "r": 100,
    "g": 145,
    "b": 228
  },
  "hsl": {
    "h": 218.906,
    "s": 70.33,
    "l": 64.314
  },
  "oklch": {
    "l": 0.66125,
    "c": 0.13369,
    "h": 261.8
  },
  "luminance": 0.28562
}

Semantic roles & 50–950 ramp

primary

#6491E4

secondary

#E8D8BC

accent

#8F13D2

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #6491E4

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

Preview Lab → · Contrast checker → · Palette generator →