#55B4DE#55B4DE

#55B4DE is a light, moderate cyan. Relative luminance 0.398; OKLCH L 72.9% C 0.108 H 229.7°. Best body text is #000000 at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#55B4DE
RGB	rgb(85, 180, 222)
HSL	hsl(198, 67%, 60%)
HSV	hsv(198, 62%, 87%)
CMYK	cmyk(61.7%, 18.9%, 0%, 12.9%)
CIE-LAB	lab(69.36, -15.63, -29.48)
CIE-LCH	lch(69.36, 33.37, 242.07°)
OKLab	oklab(72.93% -0.0698 -0.0824)
OKLCH	oklch(72.93% 0.108 229.7)
XYZ	xyz(33.2472, 39.8444, 75.0317)
Luminance	0.3985 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B4DE #DE7F55

analogous

#55DEC3 #55B4DE #556FDE

triadic

#55B4DE #DE55B4 #B4DE55

tetradic

#55B4DE #C355DE #DE7F55 #6FDE55

square

#55B4DE #C355DE #DE7F55 #6FDE55

split-complementary

#55B4DE #DE556F #DEC355

monochromatic

#1E749B #289BCE #55B4DE #88CBE8 #BCE1F2

Accessibility & contrast

On white

2.34

#55B4DE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.97

#55B4DE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B4DE

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B4DE	#FFFFFF	#000000	##000000
##55B4DE	1.00	2.34	8.97	8.97
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.97	21.00	1.00	1.00
##000000	8.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB1E0

Deuteranopia (green-blind)

#8BA3DD

Tritanopia (blue-blind)

#00C0C2

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #55b4de;
/* rgb */ color: rgb(85, 180, 222);
/* oklch */ color: oklch(72.9% 0.108 229.7);

Tailwind

colors: {
  custom: {
    50: '#91cae8',
    500: '#55b4de',
    950: '#000000',
  },
}

SCSS

$custom: #55b4de;
$custom-light: #91cae8;
$custom-dark: #000000;

JSON

{
  "hex": "#55b4de",
  "rgb": {
    "r": 85,
    "g": 180,
    "b": 222
  },
  "hsl": {
    "h": 198.394,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.72929,
    "c": 0.10796,
    "h": 229.7
  },
  "luminance": 0.39848
}

Semantic roles & 50–950 ramp

primary

#55B4DE

secondary

#E2BDAD

accent

#4F16CF

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55B4DE

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

Preview Lab → · Contrast checker → · Palette generator →