#66A7DB#66A7DB

#66A7DB is a light, moderate cyan. Relative luminance 0.356; OKLCH L 70.6% C 0.102 H 244.1°. Best body text is #000000 at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#66A7DB
RGB	rgb(102, 167, 219)
HSL	hsl(207, 62%, 63%)
HSV	hsv(207, 53%, 86%)
CMYK	cmyk(53.4%, 23.7%, 0%, 14.1%)
CIE-LAB	lab(66.19, -6.16, -32.68)
CIE-LCH	lch(66.19, 33.25, 259.33°)
OKLab	oklab(70.56% -0.0444 -0.0914)
OKLCH	oklch(70.56% 0.102 244.1)
XYZ	xyz(32.0798, 35.5740, 72.1801)
Luminance	0.3558 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A7DB #DB9A66

analogous

#66DBD5 #66A7DB #666CDB

triadic

#66A7DB #DB66A7 #A7DB66

tetradic

#66A7DB #D566DB #DB9A66 #6CDB66

square

#66A7DB #D566DB #DB9A66 #6CDB66

split-complementary

#66A7DB #DB666C #DBD566

monochromatic

#266AA1 #348BCF #66A7DB #98C3E7 #C9E0F2

Accessibility & contrast

On white

2.59

#66A7DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.12

#66A7DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A7DB

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A7DB	#FFFFFF	#000000	##000000
##66A7DB	1.00	2.59	8.12	8.12
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.12	21.00	1.00	1.00
##000000	8.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A8DD

Deuteranopia (green-blind)

#819CDA

Tritanopia (blue-blind)

#1AB4B9

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #66a7db;
/* rgb */ color: rgb(102, 167, 219);
/* oklch */ color: oklch(70.6% 0.102 244.1);

Tailwind

colors: {
  custom: {
    50: '#99c1e6',
    500: '#66a7db',
    950: '#000000',
  },
}

SCSS

$custom: #66a7db;
$custom-light: #99c1e6;
$custom-dark: #000000;

JSON

{
  "hex": "#66a7db",
  "rgb": {
    "r": 102,
    "g": 167,
    "b": 219
  },
  "hsl": {
    "h": 206.667,
    "s": 61.905,
    "l": 62.941
  },
  "oklch": {
    "l": 0.70562,
    "c": 0.1016,
    "h": 244.1
  },
  "luminance": 0.35577
}

Semantic roles & 50–950 ramp

primary

#66A7DB

secondary

#E3CCB9

accent

#691CCA

background

#F9FBFE

surface

#F2F7FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #66A7DB

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

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