#55B6DD#55B6DD

#55B6DD is a light, moderate cyan. Relative luminance 0.406; OKLCH L 73.3% C 0.107 H 227.4°. Best body text is #000000 at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#55B6DD
RGB	rgb(85, 182, 221)
HSL	hsl(197, 67%, 60%)
HSV	hsv(197, 62%, 87%)
CMYK	cmyk(61.5%, 17.6%, 0%, 13.3%)
CIE-LAB	lab(69.90, -16.99, -28.11)
CIE-LCH	lch(69.90, 32.84, 238.85°)
OKLab	oklab(73.35% -0.0722 -0.0784)
OKLCH	oklch(73.35% 0.107 227.4)
XYZ	xyz(33.5203, 40.6043, 74.4635)
Luminance	0.4061 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B6DD #DD7C55

analogous

#55DDC0 #55B6DD #5572DD

triadic

#55B6DD #DD55B6 #B6DD55

tetradic

#55B6DD #C055DD #DD7C55 #72DD55

square

#55B6DD #C055DD #DD7C55 #72DD55

split-complementary

#55B6DD #DD5572 #DDC055

monochromatic

#1F7699 #299DCC #55B6DD #88CCE7 #BBE2F1

Accessibility & contrast

On white

2.30

#55B6DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.12

#55B6DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B6DD

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B6DD	#FFFFFF	#000000	##000000
##55B6DD	1.00	2.30	9.12	9.12
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.12	21.00	1.00	1.00
##000000	9.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B3DF

Deuteranopia (green-blind)

#8EA5DD

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #55b6dd;
/* rgb */ color: rgb(85, 182, 221);
/* oklch */ color: oklch(73.3% 0.107 227.4);

Tailwind

colors: {
  custom: {
    50: '#91cce7',
    500: '#55b6dd',
    950: '#000000',
  },
}

SCSS

$custom: #55b6dd;
$custom-light: #91cce7;
$custom-dark: #000000;

JSON

{
  "hex": "#55b6dd",
  "rgb": {
    "r": 85,
    "g": 182,
    "b": 221
  },
  "hsl": {
    "h": 197.206,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.73346,
    "c": 0.10663,
    "h": 227.4
  },
  "luminance": 0.40608
}

Semantic roles & 50–950 ramp

primary

#55B6DD

secondary

#E1BCAD

accent

#6F3EEA

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55B6DD

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

Preview Lab → · Contrast checker → · Palette generator →