#55BBD9#55BBD9

#55BBD9 is a light, moderate cyan. Relative luminance 0.425; OKLCH L 74.3% C 0.103 H 220.1°. Best body text is #000000 at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#55BBD9
RGB	rgb(85, 187, 217)
HSL	hsl(194, 63%, 59%)
HSV	hsv(194, 61%, 85%)
CMYK	cmyk(60.8%, 13.8%, 0%, 14.9%)
CIE-LAB	lab(71.20, -20.80, -23.93)
CIE-LCH	lch(71.20, 31.70, 229.00°)
OKLab	oklab(74.34% -0.079 -0.0666)
OKLCH	oklch(74.34% 0.103 220.1)
XYZ	xyz(34.0360, 42.4782, 72.0376)
Luminance	0.4248 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55BBD9 #D97355

analogous

#55D9B5 #55BBD9 #5579D9

triadic

#55BBD9 #D955BB #BBD955

tetradic

#55BBD9 #B555D9 #D97355 #79D955

square

#55BBD9 #B555D9 #D97355 #79D955

split-complementary

#55BBD9 #D95579 #D9B555

monochromatic

#217993 #2CA2C5 #55BBD9 #87CFE4 #B9E3EF

Accessibility & contrast

On white

2.21

#55BBD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.50

#55BBD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55BBD9

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55BBD9	#FFFFFF	#000000	##000000
##55BBD9	1.00	2.21	9.50	9.50
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.50	21.00	1.00	1.00
##000000	9.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B6DB

Deuteranopia (green-blind)

#96A8D9

Tritanopia (blue-blind)

#00C5C4

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #55bbd9;
/* rgb */ color: rgb(85, 187, 217);
/* oklch */ color: oklch(74.3% 0.103 220.1);

Tailwind

colors: {
  custom: {
    50: '#91cfe4',
    500: '#55bbd9',
    950: '#000000',
  },
}

SCSS

$custom: #55bbd9;
$custom-light: #91cfe4;
$custom-dark: #000000;

JSON

{
  "hex": "#55bbd9",
  "rgb": {
    "r": 85,
    "g": 187,
    "b": 217
  },
  "hsl": {
    "h": 193.636,
    "s": 63.462,
    "l": 59.216
  },
  "oklch": {
    "l": 0.74339,
    "c": 0.10328,
    "h": 220.1
  },
  "luminance": 0.42482
}

Semantic roles & 50–950 ramp

primary

#55BBD9

secondary

#DFB7AB

accent

#6741E6

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #55BBD9

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

Preview Lab → · Contrast checker → · Palette generator →