#55B8DA#55B8DA

#55B8DA is a light, moderate cyan. Relative luminance 0.413; OKLCH L 73.7% C 0.104 H 223.6°. Best body text is #000000 at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#55B8DA
RGB	rgb(85, 184, 218)
HSL	hsl(195, 64%, 59%)
HSV	hsv(195, 61%, 85%)
CMYK	cmyk(61%, 15.6%, 0%, 14.5%)
CIE-LAB	lab(70.37, -18.95, -25.75)
CIE-LCH	lch(70.37, 31.97, 233.65°)
OKLab	oklab(73.68% -0.0754 -0.0717)
OKLCH	oklch(73.68% 0.104 223.6)
XYZ	xyz(33.5367, 41.2708, 72.5147)
Luminance	0.4127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B8DA #DA7755

analogous

#55DAB9 #55B8DA #5576DA

triadic

#55B8DA #DA55B8 #B8DA55

tetradic

#55B8DA #B955DA #DA7755 #76DA55

square

#55B8DA #B955DA #DA7755 #76DA55

split-complementary

#55B8DA #DA5576 #DAB955

monochromatic

#207794 #2B9FC7 #55B8DA #87CDE5 #BAE2F0

Accessibility & contrast

On white

2.27

#55B8DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.25

#55B8DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B8DA

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B8DA	#FFFFFF	#000000	##000000
##55B8DA	1.00	2.27	9.25	9.25
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.25	21.00	1.00	1.00
##000000	9.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B4DC

Deuteranopia (green-blind)

#92A6DA

Tritanopia (blue-blind)

#00C2C3

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #55b8da;
/* rgb */ color: rgb(85, 184, 218);
/* oklch */ color: oklch(73.7% 0.104 223.6);

Tailwind

colors: {
  custom: {
    50: '#91cde5',
    500: '#55b8da',
    950: '#000000',
  },
}

SCSS

$custom: #55b8da;
$custom-light: #91cde5;
$custom-dark: #000000;

JSON

{
  "hex": "#55b8da",
  "rgb": {
    "r": 85,
    "g": 184,
    "b": 218
  },
  "hsl": {
    "h": 195.338,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.73683,
    "c": 0.10409,
    "h": 223.6
  },
  "luminance": 0.41274
}

Semantic roles & 50–950 ramp

primary

#55B8DA

secondary

#DFB9AB

accent

#6B41E7

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1315

muted

#7E8284

Preview Lab

Preview with #55B8DA

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

Preview Lab → · Contrast checker → · Palette generator →