#669BDB#669BDB

#669BDB is a light, moderate cyan. Relative luminance 0.314; OKLCH L 67.9% C 0.111 H 253.9°. Best body text is #000000 at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#669BDB
RGB	rgb(102, 155, 219)
HSL	hsl(213, 62%, 63%)
HSV	hsv(213, 53%, 86%)
CMYK	cmyk(53.4%, 29.2%, 0%, 14.1%)
CIE-LAB	lab(62.83, 0.60, -37.91)
CIE-LCH	lch(62.83, 37.92, 270.90°)
OKLab	oklab(67.91% -0.0308 -0.1065)
OKLCH	oklch(67.91% 0.111 253.9)
XYZ	xyz(29.9826, 31.3796, 71.4810)
Luminance	0.3138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BDB #DBA666

analogous

#66D5DB #669BDB #6C66DB

triadic

#669BDB #DB669B #9BDB66

tetradic

#669BDB #DB66D5 #DBA666 #66DB6C

square

#669BDB #DB66D5 #DBA666 #66DB6C

split-complementary

#669BDB #DB6C66 #D5DB66

monochromatic

#265EA1 #347BCF #669BDB #98BBE7 #C9DCF2

Accessibility & contrast

On white

2.89

#669BDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.28

#669BDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BDB

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BDB	#FFFFFF	#000000	##000000
##669BDB	1.00	2.89	7.28	7.28
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.28	21.00	1.00	1.00
##000000	7.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819EDE

Deuteranopia (green-blind)

#7293DA

Tritanopia (blue-blind)

#21A9B2

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #669bdb;
/* rgb */ color: rgb(102, 155, 219);
/* oklch */ color: oklch(67.9% 0.111 253.9);

Tailwind

colors: {
  custom: {
    50: '#99b8e6',
    500: '#669bdb',
    950: '#000000',
  },
}

SCSS

$custom: #669bdb;
$custom-light: #99b8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#669bdb",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 219
  },
  "hsl": {
    "h": 212.821,
    "s": 61.905,
    "l": 62.941
  },
  "oklch": {
    "l": 0.67913,
    "c": 0.1109,
    "h": 253.9
  },
  "luminance": 0.31382
}

Semantic roles & 50–950 ramp

primary

#669BDB

secondary

#E3D0B9

accent

#7B1CCA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669BDB

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

Preview Lab → · Contrast checker → · Palette generator →