#669EB5#669EB5

#669EB5 is a light, moderate cyan. Relative luminance 0.306; OKLCH L 66.9% C 0.068 H 225.9°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#669EB5
RGB	rgb(102, 158, 181)
HSL	hsl(197, 35%, 55%)
HSV	hsv(197, 44%, 71%)
CMYK	cmyk(43.6%, 12.7%, 0%, 29%)
CIE-LAB	lab(62.18, -12.22, -17.68)
CIE-LCH	lch(62.18, 21.49, 235.34°)
OKLab	oklab(66.91% -0.0472 -0.0488)
OKLCH	oklch(66.91% 0.068 225.9)
XYZ	xyz(26.0439, 30.6129, 48.2436)
Luminance	0.3061 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EB5 #B57D66

analogous

#66B5A4 #669EB5 #6676B5

triadic

#669EB5 #B5669E #9EB566

tetradic

#669EB5 #A466B5 #B57D66 #76B566

square

#669EB5 #A466B5 #B57D66 #76B566

split-complementary

#669EB5 #B56676 #B5A466

monochromatic

#345C6C #487F95 #669EB5 #8FB8C9 #B8D2DD

Accessibility & contrast

On white

2.95

#669EB5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.12

#669EB5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EB5

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EB5	#FFFFFF	#000000	##000000
##669EB5	1.00	2.95	7.12	7.12
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.12	21.00	1.00	1.00
##000000	7.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#929BB6

Deuteranopia (green-blind)

#8692B5

Tritanopia (blue-blind)

#44A5A5

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #669eb5;
/* rgb */ color: rgb(102, 158, 181);
/* oklch */ color: oklch(66.9% 0.068 225.9);

Tailwind

colors: {
  custom: {
    50: '#95bacb',
    500: '#669eb5',
    950: '#000000',
  },
}

SCSS

$custom: #669eb5;
$custom-light: #95bacb;
$custom-dark: #000000;

JSON

{
  "hex": "#669eb5",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 181
  },
  "hsl": {
    "h": 197.468,
    "s": 34.802,
    "l": 55.49
  },
  "oklch": {
    "l": 0.66907,
    "c": 0.0679,
    "h": 225.9
  },
  "luminance": 0.30615
}

Semantic roles & 50–950 ramp

primary

#669EB5

secondary

#CCB5AB

accent

#7D5DCB

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0E1113

muted

#7E8082

Preview Lab

Preview with #669EB5

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

Preview Lab → · Contrast checker → · Palette generator →