#55D5F9#55D5F9

#55D5F9 is a light, vivid cyan. Relative luminance 0.564; OKLCH L 81.6% C 0.122 H 219.9°. Best body text is #000000 at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#55D5F9
RGB	rgb(85, 213, 249)
HSL	hsl(193, 93%, 65%)
HSV	hsv(193, 66%, 98%)
CMYK	cmyk(65.9%, 14.5%, 0%, 2.4%)
CIE-LAB	lab(79.82, -24.36, -27.99)
CIE-LCH	lch(79.82, 37.11, 228.96°)
OKLab	oklab(81.62% -0.0934 -0.078)
OKLCH	oklch(81.62% 0.122 219.9)
XYZ	xyz(44.6324, 56.3545, 98.1294)
Luminance	0.5636 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55D5F9 #F97955

analogous

#55F9CB #55D5F9 #5583F9

triadic

#55D5F9 #F955D5 #D5F955

tetradic

#55D5F9 #CB55F9 #F97955 #83F955

square

#55D5F9 #CB55F9 #F97955 #83F955

split-complementary

#55D5F9 #F95583 #F9CB55

monochromatic

#07A1CC #1AC6F7 #55D5F9 #90E4FB #CBF2FD

Accessibility & contrast

On white

1.71

#55D5F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.27

#55D5F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55D5F9

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55D5F9	#FFFFFF	#000000	##000000
##55D5F9	1.00	1.71	12.27	12.27
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.27	21.00	1.00	1.00
##000000	12.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFD0FB

Deuteranopia (green-blind)

#A8BEF9

Tritanopia (blue-blind)

#00E1E0

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #55d5f9;
/* rgb */ color: rgb(85, 213, 249);
/* oklch */ color: oklch(81.6% 0.122 219.9);

Tailwind

colors: {
  custom: {
    50: '#96e2fb',
    500: '#55d5f9',
    950: '#000000',
  },
}

SCSS

$custom: #55d5f9;
$custom-light: #96e2fb;
$custom-dark: #000000;

JSON

{
  "hex": "#55d5f9",
  "rgb": {
    "r": 85,
    "g": 213,
    "b": 249
  },
  "hsl": {
    "h": 193.171,
    "s": 93.182,
    "l": 65.49
  },
  "oklch": {
    "l": 0.81619,
    "c": 0.12168,
    "h": 219.9
  },
  "luminance": 0.56359
}

Semantic roles & 50–950 ramp

primary

#55D5F9

secondary

#C84D2A

accent

#3200E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #55D5F9

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

Preview Lab → · Contrast checker → · Palette generator →