#55B2DB#55B2DB

#55B2DB is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.3% C 0.106 H 229.6°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#55B2DB
RGB	rgb(85, 178, 219)
HSL	hsl(198, 65%, 60%)
HSV	hsv(198, 61%, 86%)
CMYK	cmyk(61.2%, 18.7%, 0%, 14.1%)
CIE-LAB	lab(68.67, -15.49, -28.91)
CIE-LCH	lch(68.67, 32.80, 241.81°)
OKLab	oklab(72.34% -0.0687 -0.0807)
OKLCH	oklch(72.34% 0.106 229.6)
XYZ	xyz(32.4479, 38.8833, 72.7993)
Luminance	0.3889 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B2DB #DB7E55

analogous

#55DBC1 #55B2DB #556FDB

triadic

#55B2DB #DB55B2 #B2DB55

tetradic

#55B2DB #C155DB #DB7E55 #6FDB55

square

#55B2DB #C155DB #DB7E55 #6FDB55

split-complementary

#55B2DB #DB556F #DBC155

monochromatic

#207296 #2A98C8 #55B2DB #88C9E6 #BAE0F0

Accessibility & contrast

On white

2.39

#55B2DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#55B2DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B2DB

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B2DB	#FFFFFF	#000000	##000000
##55B2DB	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DAFDD

Deuteranopia (green-blind)

#8AA1DA

Tritanopia (blue-blind)

#00BDBF

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #55b2db;
/* rgb */ color: rgb(85, 178, 219);
/* oklch */ color: oklch(72.3% 0.106 229.6);

Tailwind

colors: {
  custom: {
    50: '#91c9e6',
    500: '#55b2db',
    950: '#000000',
  },
}

SCSS

$custom: #55b2db;
$custom-light: #91c9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#55b2db",
  "rgb": {
    "r": 85,
    "g": 178,
    "b": 219
  },
  "hsl": {
    "h": 198.358,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.72339,
    "c": 0.10604,
    "h": 229.6
  },
  "luminance": 0.38887
}

Semantic roles & 50–950 ramp

primary

#55B2DB

secondary

#E0BCAC

accent

#7340E8

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55B2DB

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

Preview Lab → · Contrast checker → · Palette generator →