#55B2EC#55B2EC

#55B2EC is a light, vivid cyan. Relative luminance 0.398; OKLCH L 73.1% C 0.122 H 238.9°. Best body text is #000000 at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#55B2EC
RGB	rgb(85, 178, 236)
HSL	hsl(203, 80%, 63%)
HSV	hsv(203, 64%, 93%)
CMYK	cmyk(64%, 24.6%, 0%, 7.5%)
CIE-LAB	lab(69.34, -10.16, -37.15)
CIE-LCH	lch(69.34, 38.51, 254.70°)
OKLab	oklab(73.1% -0.0629 -0.1044)
OKLCH	oklch(73.1% 0.122 238.9)
XYZ	xyz(34.8012, 39.8247, 85.1935)
Luminance	0.3983 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B2EC #EC8F55

analogous

#55ECDA #55B2EC #5567EC

triadic

#55B2EC #EC55B2 #B2EC55

tetradic

#55B2EC #DA55EC #EC8F55 #67EC55

square

#55B2EC #DA55EC #EC8F55 #67EC55

split-complementary

#55B2EC #EC5567 #ECDA55

monochromatic

#1476B3 #1E99E6 #55B2EC #8CCBF2 #C3E4F8

Accessibility & contrast

On white

2.34

#55B2EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.97

#55B2EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B2EC

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B2EC	#FFFFFF	#000000	##000000
##55B2EC	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)

#97B2EF

Deuteranopia (green-blind)

#83A3EB

Tritanopia (blue-blind)

#00C1C6

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #55b2ec;
/* rgb */ color: rgb(85, 178, 236);
/* oklch */ color: oklch(73.1% 0.122 238.9);

Tailwind

colors: {
  custom: {
    50: '#93c8f2',
    500: '#55b2ec',
    950: '#000000',
  },
}

SCSS

$custom: #55b2ec;
$custom-light: #93c8f2;
$custom-dark: #000000;

JSON

{
  "hex": "#55b2ec",
  "rgb": {
    "r": 85,
    "g": 178,
    "b": 236
  },
  "hsl": {
    "h": 203.046,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.73102,
    "c": 0.1219,
    "h": 238.9
  },
  "luminance": 0.39828
}

Semantic roles & 50–950 ramp

primary

#55B2EC

secondary

#EAC8B3

accent

#5A09DC

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #55B2EC

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

Preview Lab → · Contrast checker → · Palette generator →