#55B1DC#55B1DC

#55B1DC is a light, moderate cyan. Relative luminance 0.385; OKLCH L 72.2% C 0.107 H 231.1°. Best body text is #000000 at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#55B1DC
RGB	rgb(85, 177, 220)
HSL	hsl(199, 66%, 60%)
HSV	hsv(199, 61%, 86%)
CMYK	cmyk(61.4%, 19.5%, 0%, 13.7%)
CIE-LAB	lab(68.42, -14.65, -29.84)
CIE-LCH	lch(68.42, 33.24, 243.85°)
OKLab	oklab(72.15% -0.0673 -0.0834)
OKLCH	oklch(72.15% 0.107 231.1)
XYZ	xyz(32.3817, 38.5397, 73.4286)
Luminance	0.3854 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B1DC #DC8055

analogous

#55DCC4 #55B1DC #556EDC

triadic

#55B1DC #DC55B1 #B1DC55

tetradic

#55B1DC #C455DC #DC8055 #6EDC55

square

#55B1DC #C455DC #DC8055 #6EDC55

split-complementary

#55B1DC #DC556E #DCC455

monochromatic

#1F7197 #2A97CA #55B1DC #88C8E6 #BBE0F1

Accessibility & contrast

On white

2.41

#55B1DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.71

#55B1DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B1DC

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B1DC	#FFFFFF	#000000	##000000
##55B1DC	1.00	2.41	8.71	8.71
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.71	21.00	1.00	1.00
##000000	8.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BAFDE

Deuteranopia (green-blind)

#89A1DB

Tritanopia (blue-blind)

#00BDBF

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #55b1dc;
/* rgb */ color: rgb(85, 177, 220);
/* oklch */ color: oklch(72.2% 0.107 231.1);

Tailwind

colors: {
  custom: {
    50: '#91c8e7',
    500: '#55b1dc',
    950: '#000000',
  },
}

SCSS

$custom: #55b1dc;
$custom-light: #91c8e7;
$custom-dark: #000000;

JSON

{
  "hex": "#55b1dc",
  "rgb": {
    "r": 85,
    "g": 177,
    "b": 220
  },
  "hsl": {
    "h": 199.111,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.72153,
    "c": 0.1072,
    "h": 231.1
  },
  "luminance": 0.38543
}

Semantic roles & 50–950 ramp

primary

#55B1DC

secondary

#E0BDAC

accent

#753FE9

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55B1DC

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

Preview Lab → · Contrast checker → · Palette generator →