#66ABCD#66ABCD

#66ABCD is a light, moderate cyan. Relative luminance 0.364; OKLCH L 70.9% C 0.086 H 231.1°. Best body text is #000000 at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#66ABCD
RGB	rgb(102, 171, 205)
HSL	hsl(200, 51%, 60%)
HSV	hsv(200, 50%, 80%)
CMYK	cmyk(50.2%, 16.6%, 0%, 19.6%)
CIE-LAB	lab(66.79, -12.47, -24.03)
CIE-LCH	lch(66.79, 27.07, 242.57°)
OKLab	oklab(70.86% -0.0538 -0.0667)
OKLCH	oklch(70.86% 0.086 231.1)
XYZ	xyz(31.0578, 36.3559, 63.1265)
Luminance	0.3636 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ABCD #CD8866

analogous

#66CDBC #66ABCD #6677CD

triadic

#66ABCD #CD66AB #ABCD66

tetradic

#66ABCD #BC66CD #CD8866 #77CD66

square

#66ABCD #BC66CD #CD8866 #77CD66

split-complementary

#66ABCD #CD6677 #CDBC66

monochromatic

#2D6C8B #3D90B9 #66ABCD #94C4DC #C2DEEB

Accessibility & contrast

On white

2.54

#66ABCD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.27

#66ABCD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ABCD

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ABCD	#FFFFFF	#000000	##000000
##66ABCD	1.00	2.54	8.27	8.27
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.27	21.00	1.00	1.00
##000000	8.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AA9CF

Deuteranopia (green-blind)

#8B9ECD

Tritanopia (blue-blind)

#2DB4B6

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #66abcd;
/* rgb */ color: rgb(102, 171, 205);
/* oklch */ color: oklch(70.9% 0.086 231.1);

Tailwind

colors: {
  custom: {
    50: '#98c4dc',
    500: '#66abcd',
    950: '#000000',
  },
}

SCSS

$custom: #66abcd;
$custom-light: #98c4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#66abcd",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 205
  },
  "hsl": {
    "h": 199.806,
    "s": 50.739,
    "l": 60.196
  },
  "oklch": {
    "l": 0.70856,
    "c": 0.08571,
    "h": 231.1
  },
  "luminance": 0.36358
}

Semantic roles & 50–950 ramp

primary

#66ABCD

secondary

#DBC1B4

accent

#5927BE

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1215

muted

#7E8183

Preview Lab

Preview with #66ABCD

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

Preview Lab → · Contrast checker → · Palette generator →