#669DCB#669DCB

#669DCB is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.6% C 0.090 H 244.9°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#669DCB
RGB	rgb(102, 157, 203)
HSL	hsl(207, 49%, 60%)
HSV	hsv(207, 50%, 80%)
CMYK	cmyk(49.8%, 22.7%, 0%, 20.4%)
CIE-LAB	lab(62.72, -5.37, -29.18)
CIE-LCH	lch(62.72, 29.67, 259.57°)
OKLab	oklab(67.61% -0.0381 -0.0814)
OKLCH	oklch(67.61% 0.09 244.9)
XYZ	xyz(28.3122, 31.2484, 61.0279)
Luminance	0.3125 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DCB #CB9466

analogous

#66CBC7 #669DCB #666BCB

triadic

#669DCB #CB669D #9DCB66

tetradic

#669DCB #C766CB #CB9466 #6BCB66

square

#669DCB #C766CB #CB9466 #6BCB66

split-complementary

#669DCB #CB666B #CBC766

monochromatic

#2E5F88 #3E7FB6 #669DCB #94BADB #C1D8EA

Accessibility & contrast

On white

2.90

#669DCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#669DCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DCB

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DCB	#FFFFFF	#000000	##000000
##669DCB	1.00	2.90	7.25	7.25
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A9ECD

Deuteranopia (green-blind)

#7C93CA

Tritanopia (blue-blind)

#34A8AD

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #669dcb;
/* rgb */ color: rgb(102, 157, 203);
/* oklch */ color: oklch(67.6% 0.090 244.9);

Tailwind

colors: {
  custom: {
    50: '#97b9db',
    500: '#669dcb',
    950: '#000000',
  },
}

SCSS

$custom: #669dcb;
$custom-light: #97b9db;
$custom-dark: #000000;

JSON

{
  "hex": "#669dcb",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 203
  },
  "hsl": {
    "h": 207.327,
    "s": 49.268,
    "l": 59.804
  },
  "oklch": {
    "l": 0.67605,
    "c": 0.08987,
    "h": 244.9
  },
  "luminance": 0.31251
}

Semantic roles & 50–950 ramp

primary

#669DCB

secondary

#DAC5B3

accent

#8E4FD9

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #669DCB

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

Preview Lab → · Contrast checker → · Palette generator →