#6491BB#6491BB

#6491BB is a light, moderate cyan. Relative luminance 0.265; OKLCH L 64.1% C 0.080 H 247.5°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#6491BB
RGB	rgb(100, 145, 187)
HSL	hsl(209, 39%, 56%)
HSV	hsv(209, 47%, 73%)
CMYK	cmyk(46.5%, 22.5%, 0%, 26.7%)
CIE-LAB	lab(58.55, -3.80, -26.63)
CIE-LCH	lch(58.55, 26.90, 261.88°)
OKLab	oklab(64.08% -0.0307 -0.0741)
OKLCH	oklch(64.08% 0.08 247.5)
XYZ	xyz(24.3475, 26.5463, 50.8450)
Luminance	0.2655 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6491BB #BB8E64

analogous

#64BBBA #6491BB #6466BB

triadic

#6491BB #BB6491 #91BB64

tetradic

#6491BB #BA64BB #BB8E64 #66BB64

square

#6491BB #BA64BB #BB8E64 #66BB64

split-complementary

#6491BB #BB6466 #BBBA64

monochromatic

#325372 #45729D #6491BB #8FAFCE #B9CDE0

Accessibility & contrast

On white

3.33

#6491BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#6491BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6491BB

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6491BB	#FFFFFF	#000000	##000000
##6491BB	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8092BD

Deuteranopia (green-blind)

#7589BA

Tritanopia (blue-blind)

#3F9B9F

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #6491bb;
/* rgb */ color: rgb(100, 145, 187);
/* oklch */ color: oklch(64.1% 0.080 247.5);

Tailwind

colors: {
  custom: {
    50: '#94b1cf',
    500: '#6491bb',
    950: '#000000',
  },
}

SCSS

$custom: #6491bb;
$custom-light: #94b1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#6491bb",
  "rgb": {
    "r": 100,
    "g": 145,
    "b": 187
  },
  "hsl": {
    "h": 208.966,
    "s": 39.013,
    "l": 56.275
  },
  "oklch": {
    "l": 0.64083,
    "c": 0.08023,
    "h": 247.5
  },
  "luminance": 0.26548
}

Semantic roles & 50–950 ramp

primary

#6491BB

secondary

#CFBDAB

accent

#9259CF

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #6491BB

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

Preview Lab → · Contrast checker → · Palette generator →