#669DDB#669DDB

#669DDB is a light, moderate cyan. Relative luminance 0.321; OKLCH L 68.4% C 0.109 H 252.4°. Best body text is #000000 at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#669DDB
RGB	rgb(102, 157, 219)
HSL	hsl(212, 62%, 63%)
HSV	hsv(212, 53%, 86%)
CMYK	cmyk(53.4%, 28.3%, 0%, 14.1%)
CIE-LAB	lab(63.38, -0.54, -37.04)
CIE-LCH	lch(63.38, 37.05, 269.16°)
OKLab	oklab(68.35% -0.0331 -0.104)
OKLCH	oklch(68.35% 0.109 252.4)
XYZ	xyz(30.3182, 32.0508, 71.5928)
Luminance	0.3205 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DDB #DBA466

analogous

#66D7DB #669DDB #6966DB

triadic

#669DDB #DB669D #9DDB66

tetradic

#669DDB #DB66D7 #DBA466 #66DB69

square

#669DDB #DB66D7 #DBA466 #66DB69

split-complementary

#669DDB #DB6966 #D7DB66

monochromatic

#2660A1 #347DCF #669DDB #98BDE7 #C9DCF2

Accessibility & contrast

On white

2.83

#669DDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.41

#669DDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DDB

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DDB	#FFFFFF	#000000	##000000
##669DDB	1.00	2.83	7.41	7.41
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.41	21.00	1.00	1.00
##000000	7.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A0DE

Deuteranopia (green-blind)

#7594DA

Tritanopia (blue-blind)

#20ABB3

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669ddb;
/* rgb */ color: rgb(102, 157, 219);
/* oklch */ color: oklch(68.4% 0.109 252.4);

Tailwind

colors: {
  custom: {
    50: '#99b9e6',
    500: '#669ddb',
    950: '#000000',
  },
}

SCSS

$custom: #669ddb;
$custom-light: #99b9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#669ddb",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 219
  },
  "hsl": {
    "h": 211.795,
    "s": 61.905,
    "l": 62.941
  },
  "oklch": {
    "l": 0.68351,
    "c": 0.10914,
    "h": 252.4
  },
  "luminance": 0.32053
}

Semantic roles & 50–950 ramp

primary

#669DDB

secondary

#E3D0B9

accent

#781CCA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669DDB

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

Preview Lab → · Contrast checker → · Palette generator →