#55BBD8#55BBD8

#55BBD8 is a light, moderate cyan. Relative luminance 0.424; OKLCH L 74.3% C 0.103 H 219.4°. Best body text is #000000 at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#55BBD8
RGB	rgb(85, 187, 216)
HSL	hsl(193, 63%, 59%)
HSV	hsv(193, 61%, 85%)
CMYK	cmyk(60.6%, 13.4%, 0%, 15.3%)
CIE-LAB	lab(71.16, -21.10, -23.44)
CIE-LCH	lch(71.16, 31.53, 228.01°)
OKLab	oklab(74.3% -0.0793 -0.0652)
OKLCH	oklch(74.3% 0.103 219.4)
XYZ	xyz(33.9063, 42.4264, 71.3547)
Luminance	0.4243 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55BBD8 #D87255

analogous

#55D8B3 #55BBD8 #557AD8

triadic

#55BBD8 #D855BB #BBD855

tetradic

#55BBD8 #B355D8 #D87255 #7AD855

square

#55BBD8 #B355D8 #D87255 #7AD855

split-complementary

#55BBD8 #D8557A #D8B355

monochromatic

#217891 #2DA2C3 #55BBD8 #87CFE3 #B9E3EF

Accessibility & contrast

On white

2.21

#55BBD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.49

#55BBD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55BBD8

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55BBD8	#FFFFFF	#000000	##000000
##55BBD8	1.00	2.21	9.49	9.49
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.49	21.00	1.00	1.00
##000000	9.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B6DA

Deuteranopia (green-blind)

#96A8D8

Tritanopia (blue-blind)

#00C5C4

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #55bbd8;
/* rgb */ color: rgb(85, 187, 216);
/* oklch */ color: oklch(74.3% 0.103 219.4);

Tailwind

colors: {
  custom: {
    50: '#91cfe4',
    500: '#55bbd8',
    950: '#000000',
  },
}

SCSS

$custom: #55bbd8;
$custom-light: #91cfe4;
$custom-dark: #000000;

JSON

{
  "hex": "#55bbd8",
  "rgb": {
    "r": 85,
    "g": 187,
    "b": 216
  },
  "hsl": {
    "h": 193.282,
    "s": 62.679,
    "l": 59.02
  },
  "oklch": {
    "l": 0.74298,
    "c": 0.10268,
    "h": 219.4
  },
  "luminance": 0.4243
}

Semantic roles & 50–950 ramp

primary

#55BBD8

secondary

#DEB6AB

accent

#6642E6

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #55BBD8

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

Preview Lab → · Contrast checker → · Palette generator →