#668BB9#668BB9

#668BB9 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.8% C 0.081 H 254.3°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#668BB9
RGB	rgb(102, 139, 185)
HSL	hsl(213, 37%, 56%)
HSV	hsv(213, 45%, 73%)
CMYK	cmyk(44.9%, 24.9%, 0%, 27.5%)
CIE-LAB	lab(56.87, -0.43, -28.08)
CIE-LCH	lch(56.87, 28.08, 269.12°)
OKLab	oklab(62.76% -0.022 -0.0782)
OKLCH	oklch(62.76% 0.081 254.3)
XYZ	xyz(23.4662, 24.7913, 49.4382)
Luminance	0.2479 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BB9 #B99466

analogous

#66B5B9 #668BB9 #6B66B9

triadic

#668BB9 #B9668B #8BB966

tetradic

#668BB9 #B966B5 #B99466 #66B96B

square

#668BB9 #B966B5 #B99466 #66B96B

split-complementary

#668BB9 #B96B66 #B5B966

monochromatic

#344F71 #476C9B #668BB9 #90ABCC #BACBDF

Accessibility & contrast

On white

3.52

#668BB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#668BB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BB9

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BB9	#FFFFFF	#000000	##000000
##668BB9	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798DBB

Deuteranopia (green-blind)

#6F85B8

Tritanopia (blue-blind)

#45959B

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #668bb9;
/* rgb */ color: rgb(102, 139, 185);
/* oklch */ color: oklch(62.8% 0.081 254.3);

Tailwind

colors: {
  custom: {
    50: '#95acce',
    500: '#668bb9',
    950: '#000000',
  },
}

SCSS

$custom: #668bb9;
$custom-light: #95acce;
$custom-dark: #000000;

JSON

{
  "hex": "#668bb9",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 185
  },
  "hsl": {
    "h": 213.253,
    "s": 37.22,
    "l": 56.275
  },
  "oklch": {
    "l": 0.62764,
    "c": 0.08129,
    "h": 254.3
  },
  "luminance": 0.24793
}

Semantic roles & 50–950 ramp

primary

#668BB9

secondary

#CEBFAC

accent

#9A5BCD

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1013

muted

#7E7F82

Preview Lab

Preview with #668BB9

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

Preview Lab → · Contrast checker → · Palette generator →