#55BBE4#55BBE4

#55BBE4 is a light, moderate cyan. Relative luminance 0.431; OKLCH L 74.8% C 0.111 H 227.5°. Best body text is #000000 at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#55BBE4
RGB	rgb(85, 187, 228)
HSL	hsl(197, 73%, 61%)
HSV	hsv(197, 63%, 89%)
CMYK	cmyk(62.7%, 18%, 0%, 10.6%)
CIE-LAB	lab(71.60, -17.47, -29.30)
CIE-LCH	lch(71.60, 34.11, 239.20°)
OKLab	oklab(74.79% -0.0749 -0.0818)
OKLCH	oklch(74.79% 0.111 227.5)
XYZ	xyz(35.5147, 43.0697, 79.8254)
Luminance	0.4307 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55BBE4 #E47E55

analogous

#55E4C6 #55BBE4 #5574E4

triadic

#55BBE4 #E455BB #BBE455

tetradic

#55BBE4 #C655E4 #E47E55 #74E455

square

#55BBE4 #C655E4 #E47E55 #74E455

split-complementary

#55BBE4 #E45574 #E4C655

monochromatic

#1A7DA4 #23A5D9 #55BBE4 #8AD0EC #BFE5F5

Accessibility & contrast

On white

2.18

#55BBE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.61

#55BBE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55BBE4

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55BBE4	#FFFFFF	#000000	##000000
##55BBE4	1.00	2.18	9.61	9.61
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.61	21.00	1.00	1.00
##000000	9.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B8E6

Deuteranopia (green-blind)

#91A9E3

Tritanopia (blue-blind)

#00C7C8

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #55bbe4;
/* rgb */ color: rgb(85, 187, 228);
/* oklch */ color: oklch(74.8% 0.111 227.5);

Tailwind

colors: {
  custom: {
    50: '#92cfec',
    500: '#55bbe4',
    950: '#000000',
  },
}

SCSS

$custom: #55bbe4;
$custom-light: #92cfec;
$custom-dark: #000000;

JSON

{
  "hex": "#55bbe4",
  "rgb": {
    "r": 85,
    "g": 187,
    "b": 228
  },
  "hsl": {
    "h": 197.203,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.74794,
    "c": 0.11093,
    "h": 227.5
  },
  "luminance": 0.43073
}

Semantic roles & 50–950 ramp

primary

#55BBE4

secondary

#E5BFB0

accent

#4911D5

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55BBE4

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

Preview Lab → · Contrast checker → · Palette generator →