#55B4E4#55B4E4

#55B4E4 is a light, moderate cyan. Relative luminance 0.402; OKLCH L 73.2% C 0.113 H 233.3°. Best body text is #000000 at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#55B4E4
RGB	rgb(85, 180, 228)
HSL	hsl(200, 73%, 61%)
HSV	hsv(200, 63%, 89%)
CMYK	cmyk(62.7%, 21.1%, 0%, 10.6%)
CIE-LAB	lab(69.59, -13.77, -32.40)
CIE-LCH	lch(69.59, 35.21, 246.98°)
OKLab	oklab(73.19% -0.0677 -0.0907)
OKLCH	oklch(73.19% 0.113 233.3)
XYZ	xyz(34.0657, 40.1718, 79.3424)
Luminance	0.4017 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B4E4 #E48555

analogous

#55E4CD #55B4E4 #556DE4

triadic

#55B4E4 #E455B4 #B4E455

tetradic

#55B4E4 #CD55E4 #E48555 #6DE455

square

#55B4E4 #CD55E4 #E48555 #6DE455

split-complementary

#55B4E4 #E4556D #E4CD55

monochromatic

#1A76A4 #239CD9 #55B4E4 #8ACBEC #BFE3F5

Accessibility & contrast

On white

2.32

#55B4E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.03

#55B4E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B4E4

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B4E4	#FFFFFF	#000000	##000000
##55B4E4	1.00	2.32	9.03	9.03
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.03	21.00	1.00	1.00
##000000	9.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB2E6

Deuteranopia (green-blind)

#89A4E3

Tritanopia (blue-blind)

#00C1C4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #55b4e4;
/* rgb */ color: rgb(85, 180, 228);
/* oklch */ color: oklch(73.2% 0.113 233.3);

Tailwind

colors: {
  custom: {
    50: '#92caec',
    500: '#55b4e4',
    950: '#000000',
  },
}

SCSS

$custom: #55b4e4;
$custom-light: #92caec;
$custom-dark: #000000;

JSON

{
  "hex": "#55b4e4",
  "rgb": {
    "r": 85,
    "g": 180,
    "b": 228
  },
  "hsl": {
    "h": 200.14,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.73192,
    "c": 0.11319,
    "h": 233.3
  },
  "luminance": 0.40175
}

Semantic roles & 50–950 ramp

primary

#55B4E4

secondary

#E5C2B0

accent

#5311D5

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55B4E4

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

Preview Lab → · Contrast checker → · Palette generator →