#55B2DA#55B2DA

#55B2DA is a light, moderate cyan. Relative luminance 0.388; OKLCH L 72.3% C 0.105 H 228.9°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#55B2DA
RGB	rgb(85, 178, 218)
HSL	hsl(198, 64%, 59%)
HSV	hsv(198, 61%, 85%)
CMYK	cmyk(61%, 18.3%, 0%, 14.5%)
CIE-LAB	lab(68.63, -15.80, -28.42)
CIE-LCH	lch(68.63, 32.51, 240.93°)
OKLab	oklab(72.3% -0.0691 -0.0793)
OKLCH	oklch(72.3% 0.105 228.9)
XYZ	xyz(32.3167, 38.8308, 72.1081)
Luminance	0.3883 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B2DA #DA7D55

analogous

#55DABF #55B2DA #5570DA

triadic

#55B2DA #DA55B2 #B2DA55

tetradic

#55B2DA #BF55DA #DA7D55 #70DA55

square

#55B2DA #BF55DA #DA7D55 #70DA55

split-complementary

#55B2DA #DA5570 #DABF55

monochromatic

#207194 #2B98C7 #55B2DA #87C9E5 #BAE0F0

Accessibility & contrast

On white

2.40

#55B2DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.77

#55B2DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B2DA

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B2DA	#FFFFFF	#000000	##000000
##55B2DA	1.00	2.40	8.77	8.77
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.77	21.00	1.00	1.00
##000000	8.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DAFDC

Deuteranopia (green-blind)

#8BA1D9

Tritanopia (blue-blind)

#00BDBF

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #55b2da;
/* rgb */ color: rgb(85, 178, 218);
/* oklch */ color: oklch(72.3% 0.105 228.9);

Tailwind

colors: {
  custom: {
    50: '#91c9e5',
    500: '#55b2da',
    950: '#000000',
  },
}

SCSS

$custom: #55b2da;
$custom-light: #91c9e5;
$custom-dark: #000000;

JSON

{
  "hex": "#55b2da",
  "rgb": {
    "r": 85,
    "g": 178,
    "b": 218
  },
  "hsl": {
    "h": 198.045,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.72296,
    "c": 0.10522,
    "h": 228.9
  },
  "luminance": 0.38834
}

Semantic roles & 50–950 ramp

primary

#55B2DA

secondary

#DFBBAB

accent

#7341E7

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1315

muted

#7E8284

Preview Lab

Preview with #55B2DA

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

Preview Lab → · Contrast checker → · Palette generator →