#55D5EF#55D5EF

#55D5EF is a light, moderate cyan. Relative luminance 0.558; OKLCH L 81.2% C 0.117 H 213.6°. Best body text is #000000 at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#55D5EF
RGB	rgb(85, 213, 239)
HSL	hsl(190, 83%, 64%)
HSV	hsv(190, 64%, 94%)
CMYK	cmyk(64.4%, 10.9%, 0%, 6.3%)
CIE-LAB	lab(79.47, -27.33, -23.19)
CIE-LCH	lch(79.47, 35.84, 220.31°)
OKLab	oklab(81.23% -0.0972 -0.0644)
OKLCH	oklch(81.23% 0.117 213.6)
XYZ	xyz(43.1141, 55.7471, 90.1327)
Luminance	0.5575 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55D5EF #EF6F55

analogous

#55EFBC #55D5EF #5588EF

triadic

#55D5EF #EF55D5 #D5EF55

tetradic

#55D5EF #BC55EF #EF6F55 #88EF55

square

#55D5EF #BC55EF #EF6F55 #88EF55

split-complementary

#55D5EF #EF5588 #EFBC55

monochromatic

#119CB8 #1DC7EA #55D5EF #8DE3F4 #C5F1FA

Accessibility & contrast

On white

1.73

#55D5EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.15

#55D5EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55D5EF

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55D5EF	#FFFFFF	#000000	##000000
##55D5EF	1.00	1.73	12.15	12.15
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.15	21.00	1.00	1.00
##000000	12.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2CEF1

Deuteranopia (green-blind)

#ABBEEF

Tritanopia (blue-blind)

#00DFDD

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #55d5ef;
/* rgb */ color: rgb(85, 213, 239);
/* oklch */ color: oklch(81.2% 0.117 213.6);

Tailwind

colors: {
  custom: {
    50: '#95e2f4',
    500: '#55d5ef',
    950: '#000000',
  },
}

SCSS

$custom: #55d5ef;
$custom-light: #95e2f4;
$custom-dark: #000000;

JSON

{
  "hex": "#55d5ef",
  "rgb": {
    "r": 85,
    "g": 213,
    "b": 239
  },
  "hsl": {
    "h": 190.13,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.81227,
    "c": 0.1166,
    "h": 213.6
  },
  "luminance": 0.55752
}

Semantic roles & 50–950 ramp

primary

#55D5EF

secondary

#B74831

accent

#2B06DF

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #55D5EF

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

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