#55B9DF#55B9DF

#55B9DF is a light, moderate cyan. Relative luminance 0.420; OKLCH L 74.1% C 0.108 H 226.1°. Best body text is #000000 at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#55B9DF
RGB	rgb(85, 185, 223)
HSL	hsl(197, 68%, 60%)
HSV	hsv(197, 62%, 87%)
CMYK	cmyk(61.9%, 17%, 0%, 12.5%)
CIE-LAB	lab(70.84, -17.95, -27.75)
CIE-LCH	lch(70.84, 33.05, 237.11°)
OKLab	oklab(74.12% -0.0746 -0.0774)
OKLCH	oklch(74.12% 0.108 226.1)
XYZ	xyz(34.4093, 41.9534, 76.0822)
Luminance	0.4196 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B9DF #DF7B55

analogous

#55DFC0 #55B9DF #5574DF

triadic

#55B9DF #DF55B9 #B9DF55

tetradic

#55B9DF #C055DF #DF7B55 #74DF55

square

#55B9DF #C055DF #DF7B55 #74DF55

split-complementary

#55B9DF #DF5574 #DFC055

monochromatic

#1D799C #27A1D0 #55B9DF #89CEE9 #BCE3F2

Accessibility & contrast

On white

2.24

#55B9DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.39

#55B9DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B9DF

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B9DF	#FFFFFF	#000000	##000000
##55B9DF	1.00	2.24	9.39	9.39
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.39	21.00	1.00	1.00
##000000	9.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B6E1

Deuteranopia (green-blind)

#91A7DF

Tritanopia (blue-blind)

#00C4C5

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #55b9df;
/* rgb */ color: rgb(85, 185, 223);
/* oklch */ color: oklch(74.1% 0.108 226.1);

Tailwind

colors: {
  custom: {
    50: '#92cee9',
    500: '#55b9df',
    950: '#000000',
  },
}

SCSS

$custom: #55b9df;
$custom-light: #92cee9;
$custom-dark: #000000;

JSON

{
  "hex": "#55b9df",
  "rgb": {
    "r": 85,
    "g": 185,
    "b": 223
  },
  "hsl": {
    "h": 196.522,
    "s": 68.317,
    "l": 60.392
  },
  "oklch": {
    "l": 0.74122,
    "c": 0.10753,
    "h": 226.1
  },
  "luminance": 0.41957
}

Semantic roles & 50–950 ramp

primary

#55B9DF

secondary

#E2BCAE

accent

#4915D0

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55B9DF

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

Preview Lab → · Contrast checker → · Palette generator →