#55B1E4#55B1E4

#55B1E4 is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.5% C 0.115 H 235.7°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#55B1E4
RGB	rgb(85, 177, 228)
HSL	hsl(201, 73%, 61%)
HSV	hsv(201, 63%, 89%)
CMYK	cmyk(62.7%, 22.4%, 0%, 10.6%)
CIE-LAB	lab(68.73, -12.15, -33.73)
CIE-LCH	lch(68.73, 35.86, 250.19°)
OKLab	oklab(72.51% -0.0646 -0.0946)
OKLCH	oklch(72.51% 0.115 235.7)
XYZ	xyz(33.4667, 38.9736, 79.1427)
Luminance	0.3898 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B1E4 #E48855

analogous

#55E4D0 #55B1E4 #556AE4

triadic

#55B1E4 #E455B1 #B1E455

tetradic

#55B1E4 #D055E4 #E48855 #6AE455

square

#55B1E4 #D055E4 #E48855 #6AE455

split-complementary

#55B1E4 #E4556A #E4D055

monochromatic

#1A73A4 #2398D9 #55B1E4 #8AC9EC #BFE1F5

Accessibility & contrast

On white

2.39

#55B1E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.80

#55B1E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B1E4

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B1E4	#FFFFFF	#000000	##000000
##55B1E4	1.00	2.39	8.80	8.80
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.80	21.00	1.00	1.00
##000000	8.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B0E6

Deuteranopia (green-blind)

#85A1E3

Tritanopia (blue-blind)

#00BEC2

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #55b1e4;
/* rgb */ color: rgb(85, 177, 228);
/* oklch */ color: oklch(72.5% 0.115 235.7);

Tailwind

colors: {
  custom: {
    50: '#92c8ec',
    500: '#55b1e4',
    950: '#000000',
  },
}

SCSS

$custom: #55b1e4;
$custom-light: #92c8ec;
$custom-dark: #000000;

JSON

{
  "hex": "#55b1e4",
  "rgb": {
    "r": 85,
    "g": 177,
    "b": 228
  },
  "hsl": {
    "h": 201.399,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.72508,
    "c": 0.11451,
    "h": 235.7
  },
  "luminance": 0.38977
}

Semantic roles & 50–950 ramp

primary

#55B1E4

secondary

#E5C3B0

accent

#5711D5

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55B1E4

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

Preview Lab → · Contrast checker → · Palette generator →