#55BBD3#55BBD3

#55BBD3 is a light, moderate cyan. Relative luminance 0.422; OKLCH L 74.1% C 0.100 H 215.6°. Best body text is #000000 at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#55BBD3
RGB	rgb(85, 187, 211)
HSL	hsl(191, 59%, 58%)
HSV	hsv(191, 60%, 83%)
CMYK	cmyk(59.7%, 11.4%, 0%, 17.3%)
CIE-LAB	lab(70.99, -22.58, -20.97)
CIE-LCH	lch(70.99, 30.82, 222.89°)
OKLab	oklab(74.1% -0.0813 -0.0582)
OKLCH	oklch(74.1% 0.1 215.6)
XYZ	xyz(33.2698, 42.1717, 68.0020)
Luminance	0.4218 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55BBD3 #D36D55

analogous

#55D3AC #55BBD3 #557CD3

triadic

#55BBD3 #D355BB #BBD355

tetradic

#55BBD3 #AC55D3 #D36D55 #7CD355

square

#55BBD3 #AC55D3 #D36D55 #7CD355

split-complementary

#55BBD3 #D3557C #D3AC55

monochromatic

#24768A #30A0BB #55BBD3 #86CEE0 #B6E2EC

Accessibility & contrast

On white

2.23

#55BBD3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.43

#55BBD3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55BBD3

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55BBD3	#FFFFFF	#000000	##000000
##55BBD3	1.00	2.23	9.43	9.43
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.43	21.00	1.00	1.00
##000000	9.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB6D4

Deuteranopia (green-blind)

#98A8D3

Tritanopia (blue-blind)

#00C4C2

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #55bbd3;
/* rgb */ color: rgb(85, 187, 211);
/* oklch */ color: oklch(74.1% 0.100 215.6);

Tailwind

colors: {
  custom: {
    50: '#91cfe0',
    500: '#55bbd3',
    950: '#000000',
  },
}

SCSS

$custom: #55bbd3;
$custom-light: #91cfe0;
$custom-dark: #000000;

JSON

{
  "hex": "#55bbd3",
  "rgb": {
    "r": 85,
    "g": 187,
    "b": 211
  },
  "hsl": {
    "h": 191.429,
    "s": 58.879,
    "l": 58.039
  },
  "oklch": {
    "l": 0.741,
    "c": 0.09998,
    "h": 215.6
  },
  "luminance": 0.42175
}

Semantic roles & 50–950 ramp

primary

#55BBD3

secondary

#DBB2A9

accent

#6446E2

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #55BBD3

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

Preview Lab → · Contrast checker → · Palette generator →