#55ADE9#55ADE9

#55ADE9 is a light, vivid cyan. Relative luminance 0.377; OKLCH L 71.8% C 0.122 H 241.1°. Best body text is #000000 at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#55ADE9
RGB	rgb(85, 173, 233)
HSL	hsl(204, 77%, 62%)
HSV	hsv(204, 64%, 91%)
CMYK	cmyk(63.5%, 25.8%, 0%, 8.6%)
CIE-LAB	lab(67.80, -8.39, -37.92)
CIE-LCH	lch(67.80, 38.84, 257.53°)
OKLab	oklab(71.84% -0.0588 -0.1067)
OKLCH	oklch(71.84% 0.122 241.1)
XYZ	xyz(33.3923, 37.6983, 82.5917)
Luminance	0.3770 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55ADE9 #E99155

analogous

#55E9DB #55ADE9 #5563E9

triadic

#55ADE9 #E955AD #ADE955

tetradic

#55ADE9 #DB55E9 #E99155 #63E955

square

#55ADE9 #DB55E9 #E99155 #63E955

split-complementary

#55ADE9 #E95563 #E9DB55

monochromatic

#1670AD #1F93E2 #55ADE9 #8BC7F0 #C1E1F7

Accessibility & contrast

On white

2.46

#55ADE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.54

#55ADE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55ADE9

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55ADE9	#FFFFFF	#000000	##000000
##55ADE9	1.00	2.46	8.54	8.54
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.54	21.00	1.00	1.00
##000000	8.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92ADEC

Deuteranopia (green-blind)

#7E9FE8

Tritanopia (blue-blind)

#00BCC2

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #55ade9;
/* rgb */ color: rgb(85, 173, 233);
/* oklch */ color: oklch(71.8% 0.122 241.1);

Tailwind

colors: {
  custom: {
    50: '#92c5f0',
    500: '#55ade9',
    950: '#000000',
  },
}

SCSS

$custom: #55ade9;
$custom-light: #92c5f0;
$custom-dark: #000000;

JSON

{
  "hex": "#55ade9",
  "rgb": {
    "r": 85,
    "g": 173,
    "b": 233
  },
  "hsl": {
    "h": 204.324,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.71835,
    "c": 0.12181,
    "h": 241.1
  },
  "luminance": 0.37702
}

Semantic roles & 50–950 ramp

primary

#55ADE9

secondary

#E8C8B2

accent

#5F0CD9

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #55ADE9

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

Preview Lab → · Contrast checker → · Palette generator →