#55B8EA#55B8EA

#55B8EA is a light, moderate cyan. Relative luminance 0.422; OKLCH L 74.4% C 0.117 H 233.4°. Best body text is #000000 at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#55B8EA
RGB	rgb(85, 184, 234)
HSL	hsl(200, 78%, 63%)
HSV	hsv(200, 64%, 92%)
CMYK	cmyk(63.7%, 21.4%, 0%, 8.2%)
CIE-LAB	lab(70.97, -14.02, -33.53)
CIE-LCH	lch(70.97, 36.35, 247.31°)
OKLab	oklab(74.37% -0.0697 -0.094)
OKLCH	oklch(74.37% 0.117 233.4)
XYZ	xyz(35.7323, 42.1491, 84.0784)
Luminance	0.4215 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B8EA #EA8755

analogous

#55EAD1 #55B8EA #556EEA

triadic

#55B8EA #EA55B8 #B8EA55

tetradic

#55B8EA #D155EA #EA8755 #6EEA55

square

#55B8EA #D155EA #EA8755 #6EEA55

split-complementary

#55B8EA #EA556E #EAD155

monochromatic

#167CAF #1FA1E3 #55B8EA #8BCFF1 #C2E5F7

Accessibility & contrast

On white

2.23

#55B8EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.43

#55B8EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B8EA

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B8EA	#FFFFFF	#000000	##000000
##55B8EA	1.00	2.23	9.43	9.43
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.43	21.00	1.00	1.00
##000000	9.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B6EC

Deuteranopia (green-blind)

#8BA7E9

Tritanopia (blue-blind)

#00C5C9

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #55b8ea;
/* rgb */ color: rgb(85, 184, 234);
/* oklch */ color: oklch(74.4% 0.117 233.4);

Tailwind

colors: {
  custom: {
    50: '#93cdf1',
    500: '#55b8ea',
    950: '#000000',
  },
}

SCSS

$custom: #55b8ea;
$custom-light: #93cdf1;
$custom-dark: #000000;

JSON

{
  "hex": "#55b8ea",
  "rgb": {
    "r": 85,
    "g": 184,
    "b": 234
  },
  "hsl": {
    "h": 200.134,
    "s": 78.01,
    "l": 62.549
  },
  "oklch": {
    "l": 0.74369,
    "c": 0.11699,
    "h": 233.4
  },
  "luminance": 0.42153
}

Semantic roles & 50–950 ramp

primary

#55B8EA

secondary

#E8C4B2

accent

#510BDA

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55B8EA

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

Preview Lab → · Contrast checker → · Palette generator →