#55B8CF#55B8CF

#55B8CF is a light, moderate cyan. Relative luminance 0.407; OKLCH L 73.2% C 0.098 H 215.3°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#55B8CF
RGB	rgb(85, 184, 207)
HSL	hsl(191, 56%, 57%)
HSV	hsv(191, 59%, 81%)
CMYK	cmyk(58.9%, 11.1%, 0%, 18.8%)
CIE-LAB	lab(69.98, -22.22, -20.33)
CIE-LCH	lch(69.98, 30.12, 222.45°)
OKLab	oklab(73.24% -0.0796 -0.0564)
OKLCH	oklch(73.24% 0.098 215.3)
XYZ	xyz(32.1448, 40.7141, 65.1840)
Luminance	0.4072 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B8CF #CF6C55

analogous

#55CFA9 #55B8CF #557BCF

triadic

#55B8CF #CF55B8 #B8CF55

tetradic

#55B8CF #A955CF #CF6C55 #7BCF55

square

#55B8CF #A955CF #CF6C55 #7BCF55

split-complementary

#55B8CF #CF557B #CFA955

monochromatic

#257284 #339CB4 #55B8CF #85CCDC #B4E0EA

Accessibility & contrast

On white

2.30

#55B8CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.14

#55B8CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B8CF

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B8CF	#FFFFFF	#000000	##000000
##55B8CF	1.00	2.30	9.14	9.14
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.14	21.00	1.00	1.00
##000000	9.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B3D0

Deuteranopia (green-blind)

#96A5CF

Tritanopia (blue-blind)

#00C1BF

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #55b8cf;
/* rgb */ color: rgb(85, 184, 207);
/* oklch */ color: oklch(73.2% 0.098 215.3);

Tailwind

colors: {
  custom: {
    50: '#90cddd',
    500: '#55b8cf',
    950: '#000000',
  },
}

SCSS

$custom: #55b8cf;
$custom-light: #90cddd;
$custom-dark: #000000;

JSON

{
  "hex": "#55b8cf",
  "rgb": {
    "r": 85,
    "g": 184,
    "b": 207
  },
  "hsl": {
    "h": 191.311,
    "s": 55.963,
    "l": 57.255
  },
  "oklch": {
    "l": 0.73241,
    "c": 0.0976,
    "h": 215.3
  },
  "luminance": 0.40717
}

Semantic roles & 50–950 ramp

primary

#55B8CF

secondary

#D9B1A7

accent

#6549DF

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #55B8CF

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

Preview Lab → · Contrast checker → · Palette generator →