#6491EC#6491EC

#6491EC is a light, vivid blue. Relative luminance 0.290; OKLCH L 66.6% C 0.144 H 263.1°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#6491EC
RGB	rgb(100, 145, 236)
HSL	hsl(220, 78%, 66%)
HSV	hsv(220, 58%, 93%)
CMYK	cmyk(57.6%, 38.6%, 0%, 7.5%)
CIE-LAB	lab(60.79, 11.37, -50.54)
CIE-LCH	lch(60.79, 51.80, 282.67°)
OKLab	oklab(66.57% -0.0173 -0.1434)
OKLCH	oklch(66.57% 0.144 263.1)
XYZ	xyz(30.5161, 29.0137, 83.3327)
Luminance	0.2902 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6491EC #ECBF64

analogous

#64D5EC #6491EC #7B64EC

triadic

#6491EC #EC6491 #91EC64

tetradic

#6491EC #EC64D5 #ECBF64 #64EC7B

square

#6491EC #EC64D5 #ECBF64 #64EC7B

split-complementary

#6491EC #EC7B64 #D5EC64

monochromatic

#174FBE #2D6AE5 #6491EC #9BB8F3 #D1DEF9

Accessibility & contrast

On white

3.09

#6491EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#6491EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6491EC

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6491EC	#FFFFFF	#000000	##000000
##6491EC	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B99F0

Deuteranopia (green-blind)

#598DEA

Tritanopia (blue-blind)

#00A5B3

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #6491ec;
/* rgb */ color: rgb(100, 145, 236);
/* oklch */ color: oklch(66.6% 0.144 263.1);

Tailwind

colors: {
  custom: {
    50: '#9ab0f2',
    500: '#6491ec',
    950: '#000000',
  },
}

SCSS

$custom: #6491ec;
$custom-light: #9ab0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6491ec",
  "rgb": {
    "r": 100,
    "g": 145,
    "b": 236
  },
  "hsl": {
    "h": 220.147,
    "s": 78.161,
    "l": 65.882
  },
  "oklch": {
    "l": 0.66568,
    "c": 0.14445,
    "h": 263.1
  },
  "luminance": 0.29016
}

Semantic roles & 50–950 ramp

primary

#6491EC

secondary

#ECDEBF

accent

#960BDA

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6491EC

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

Preview Lab → · Contrast checker → · Palette generator →