#55B2DD#55B2DD

#55B2DD is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.4% C 0.108 H 230.8°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#55B2DD
RGB	rgb(85, 178, 221)
HSL	hsl(199, 67%, 60%)
HSV	hsv(199, 62%, 87%)
CMYK	cmyk(61.5%, 19.5%, 0%, 13.3%)
CIE-LAB	lab(68.74, -14.87, -29.89)
CIE-LCH	lch(68.74, 33.38, 243.54°)
OKLab	oklab(72.43% -0.068 -0.0835)
OKLCH	oklch(72.43% 0.108 230.8)
XYZ	xyz(32.7128, 38.9893, 74.1943)
Luminance	0.3899 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B2DD #DD8055

analogous

#55DDC4 #55B2DD #556EDD

triadic

#55B2DD #DD55B2 #B2DD55

tetradic

#55B2DD #C455DD #DD8055 #6EDD55

square

#55B2DD #C455DD #DD8055 #6EDD55

split-complementary

#55B2DD #DD556E #DDC455

monochromatic

#1F7299 #2998CC #55B2DD #88C9E7 #BBE0F1

Accessibility & contrast

On white

2.39

#55B2DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.80

#55B2DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B2DD

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B2DD	#FFFFFF	#000000	##000000
##55B2DD	1.00	2.39	8.80	8.80
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.80	21.00	1.00	1.00
##000000	8.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB0DF

Deuteranopia (green-blind)

#89A2DC

Tritanopia (blue-blind)

#00BEC0

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #55b2dd;
/* rgb */ color: rgb(85, 178, 221);
/* oklch */ color: oklch(72.4% 0.108 230.8);

Tailwind

colors: {
  custom: {
    50: '#91c9e7',
    500: '#55b2dd',
    950: '#000000',
  },
}

SCSS

$custom: #55b2dd;
$custom-light: #91c9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#55b2dd",
  "rgb": {
    "r": 85,
    "g": 178,
    "b": 221
  },
  "hsl": {
    "h": 198.971,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.72426,
    "c": 0.10773,
    "h": 230.8
  },
  "luminance": 0.38993
}

Semantic roles & 50–950 ramp

primary

#55B2DD

secondary

#E1BDAD

accent

#743EEA

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55B2DD

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

Preview Lab → · Contrast checker → · Palette generator →