#668BB5#668BB5

#668BB5 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.6% C 0.076 H 252.2°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#668BB5
RGB	rgb(102, 139, 181)
HSL	hsl(212, 35%, 55%)
HSV	hsv(212, 44%, 71%)
CMYK	cmyk(43.6%, 23.2%, 0%, 29%)
CIE-LAB	lab(56.71, -1.59, -26.05)
CIE-LCH	lch(56.71, 26.10, 266.50°)
OKLab	oklab(62.58% -0.0233 -0.0725)
OKLCH	oklch(62.58% 0.076 252.2)
XYZ	xyz(23.0498, 24.6248, 47.2456)
Luminance	0.2463 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BB5 #B59066

analogous

#66B2B5 #668BB5 #6866B5

triadic

#668BB5 #B5668B #8BB566

tetradic

#668BB5 #B566B2 #B59066 #66B568

square

#668BB5 #B566B2 #B59066 #66B568

split-complementary

#668BB5 #B56866 #B2B566

monochromatic

#344F6C #486C95 #668BB5 #8FAAC9 #B8CADD

Accessibility & contrast

On white

3.54

#668BB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.93

#668BB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BB5

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BB5	#FFFFFF	#000000	##000000
##668BB5	1.00	3.54	5.93	5.93
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.93	21.00	1.00	1.00
##000000	5.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB7

Deuteranopia (green-blind)

#7185B4

Tritanopia (blue-blind)

#489499

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #668bb5;
/* rgb */ color: rgb(102, 139, 181);
/* oklch */ color: oklch(62.6% 0.076 252.2);

Tailwind

colors: {
  custom: {
    50: '#95accb',
    500: '#668bb5',
    950: '#000000',
  },
}

SCSS

$custom: #668bb5;
$custom-light: #95accb;
$custom-dark: #000000;

JSON

{
  "hex": "#668bb5",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 181
  },
  "hsl": {
    "h": 211.899,
    "s": 34.802,
    "l": 55.49
  },
  "oklch": {
    "l": 0.62582,
    "c": 0.07612,
    "h": 252.2
  },
  "luminance": 0.24626
}

Semantic roles & 50–950 ramp

primary

#668BB5

secondary

#CCBCAB

accent

#975DCB

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #668BB5

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

Preview Lab → · Contrast checker → · Palette generator →