#6691CB#6691CB

#6691CB is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.9% C 0.099 H 256.1°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#6691CB
RGB	rgb(102, 145, 203)
HSL	hsl(214, 49%, 60%)
HSV	hsv(214, 50%, 80%)
CMYK	cmyk(49.8%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(59.33, 1.46, -34.44)
CIE-LCH	lch(59.33, 34.47, 272.42°)
OKLab	oklab(64.94% -0.0238 -0.0965)
OKLCH	oklch(64.94% 0.099 256.1)
XYZ	xyz(26.3807, 27.3855, 60.3841)
Luminance	0.2739 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6691CB #CBA066

analogous

#66C4CB #6691CB #6D66CB

triadic

#6691CB #CB6691 #91CB66

tetradic

#6691CB #CB66C4 #CBA066 #66CB6D

square

#6691CB #CB66C4 #CBA066 #66CB6D

split-complementary

#6691CB #CB6D66 #C4CB66

monochromatic

#2E5588 #3E71B6 #6691CB #94B2DB #C1D3EA

Accessibility & contrast

On white

3.24

#6691CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#6691CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6691CB

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6691CB	#FFFFFF	#000000	##000000
##6691CB	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A94CE

Deuteranopia (green-blind)

#6E8ACA

Tritanopia (blue-blind)

#379EA5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #6691cb;
/* rgb */ color: rgb(102, 145, 203);
/* oklch */ color: oklch(64.9% 0.099 256.1);

Tailwind

colors: {
  custom: {
    50: '#97b1db',
    500: '#6691cb',
    950: '#000000',
  },
}

SCSS

$custom: #6691cb;
$custom-light: #97b1db;
$custom-dark: #000000;

JSON

{
  "hex": "#6691cb",
  "rgb": {
    "r": 102,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 214.455,
    "s": 49.268,
    "l": 59.804
  },
  "oklch": {
    "l": 0.64943,
    "c": 0.09944,
    "h": 256.1
  },
  "luminance": 0.27387
}

Semantic roles & 50–950 ramp

primary

#6691CB

secondary

#DAC9B3

accent

#9E4FD9

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #6691CB

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

Preview Lab → · Contrast checker → · Palette generator →