#55D5FF#55D5FF

#55D5FF is a light, vivid cyan. Relative luminance 0.567; OKLCH L 81.9% C 0.125 H 223.4°. Best body text is #000000 at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#55D5FF
RGB	rgb(85, 213, 255)
HSL	hsl(195, 100%, 67%)
HSV	hsv(195, 67%, 100%)
CMYK	cmyk(66.7%, 16.5%, 0%, 0%)
CIE-LAB	lab(80.03, -22.55, -30.85)
CIE-LCH	lch(80.03, 38.21, 233.83°)
OKLab	oklab(81.86% -0.0912 -0.0862)
OKLCH	oklch(81.86% 0.125 223.4)
XYZ	xyz(45.5832, 56.7348, 103.1369)
Luminance	0.5674 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55D5FF #FF7F55

analogous

#55FFD4 #55D5FF #5580FF

triadic

#55D5FF #FF55D5 #D5FF55

tetradic

#55D5FF #D455FF #FF7F55 #80FF55

square

#55D5FF #D455FF #FF7F55 #80FF55

split-complementary

#55D5FF #FF5580 #FFD455

monochromatic

#00A4DA #18C6FF #55D5FF #92E4FF #CFF3FF

Accessibility & contrast

On white

1.70

#55D5FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.35

#55D5FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55D5FF

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55D5FF	#FFFFFF	#000000	##000000
##55D5FF	1.00	1.70	12.35	12.35
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.35	21.00	1.00	1.00
##000000	12.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDD0FF

Deuteranopia (green-blind)

#A5BFFF

Tritanopia (blue-blind)

#00E2E3

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #55d5ff;
/* rgb */ color: rgb(85, 213, 255);
/* oklch */ color: oklch(81.9% 0.125 223.4);

Tailwind

colors: {
  custom: {
    50: '#97e2ff',
    500: '#55d5ff',
    950: '#000000',
  },
}

SCSS

$custom: #55d5ff;
$custom-light: #97e2ff;
$custom-dark: #000000;

JSON

{
  "hex": "#55d5ff",
  "rgb": {
    "r": 85,
    "g": 213,
    "b": 255
  },
  "hsl": {
    "h": 194.824,
    "s": 100,
    "l": 66.667
  },
  "oklch": {
    "l": 0.81863,
    "c": 0.12544,
    "h": 223.4
  },
  "luminance": 0.5674
}

Semantic roles & 50–950 ramp

primary

#55D5FF

secondary

#D35025

accent

#3900E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1518

muted

#808486

Preview Lab

Preview with #55D5FF

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

Preview Lab → · Contrast checker → · Palette generator →