#6491EF#6491EF

#6491EF is a light, vivid blue. Relative luminance 0.292; OKLCH L 66.7% C 0.148 H 263.6°. Best body text is #000000 at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#6491EF
RGB	rgb(100, 145, 239)
HSL	hsl(221, 81%, 66%)
HSV	hsv(221, 58%, 94%)
CMYK	cmyk(58.2%, 39.3%, 0%, 6.3%)
CIE-LAB	lab(60.95, 12.33, -51.95)
CIE-LCH	lch(60.95, 53.40, 283.36°)
OKLab	oklab(66.74% -0.0166 -0.1475)
OKLCH	oklch(66.74% 0.148 263.6)
XYZ	xyz(30.9556, 29.1895, 85.6475)
Luminance	0.2919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6491EF #EFC264

analogous

#64D6EF #6491EF #7D64EF

triadic

#6491EF #EF6491 #91EF64

tetradic

#6491EF #EF64D6 #EFC264 #64EF7D

square

#6491EF #EF64D6 #EFC264 #64EF7D

split-complementary

#6491EF #EF7D64 #D6EF64

monochromatic

#144DC4 #2D6AE9 #6491EF #9BB8F5 #D3E0FA

Accessibility & contrast

On white

3.07

#6491EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.84

#6491EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6491EF

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6491EF	#FFFFFF	#000000	##000000
##6491EF	1.00	3.07	6.84	6.84
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.84	21.00	1.00	1.00
##000000	6.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#699AF3

Deuteranopia (green-blind)

#568DED

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #6491ef;
/* rgb */ color: rgb(100, 145, 239);
/* oklch */ color: oklch(66.7% 0.148 263.6);

Tailwind

colors: {
  custom: {
    50: '#9ab0f5',
    500: '#6491ef',
    950: '#000000',
  },
}

SCSS

$custom: #6491ef;
$custom-light: #9ab0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6491ef",
  "rgb": {
    "r": 100,
    "g": 145,
    "b": 239
  },
  "hsl": {
    "h": 220.576,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.66739,
    "c": 0.14849,
    "h": 263.6
  },
  "luminance": 0.29192
}

Semantic roles & 50–950 ramp

primary

#6491EF

secondary

#EEDFC1

accent

#9808DE

background

#FAFAFF

surface

#F3F4FE

border

#CDCED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6491EF

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

Preview Lab → · Contrast checker → · Palette generator →