#55B9DC#55B9DC

#55B9DC is a light, moderate cyan. Relative luminance 0.418; OKLCH L 74.0% C 0.105 H 224.0°. Best body text is #000000 at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#55B9DC
RGB	rgb(85, 185, 220)
HSL	hsl(196, 66%, 60%)
HSV	hsv(196, 61%, 86%)
CMYK	cmyk(61.4%, 15.9%, 0%, 13.7%)
CIE-LAB	lab(70.73, -18.86, -26.29)
CIE-LCH	lch(70.73, 32.35, 234.34°)
OKLab	oklab(74% -0.0757 -0.0732)
OKLCH	oklch(74% 0.105 224)
XYZ	xyz(34.0084, 41.7931, 73.9709)
Luminance	0.4180 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B9DC #DC7855

analogous

#55DCBC #55B9DC #5575DC

triadic

#55B9DC #DC55B9 #B9DC55

tetradic

#55B9DC #BC55DC #DC7855 #75DC55

square

#55B9DC #BC55DC #DC7855 #75DC55

split-complementary

#55B9DC #DC5575 #DCBC55

monochromatic

#1F7897 #2AA1CA #55B9DC #88CEE6 #BBE3F1

Accessibility & contrast

On white

2.24

#55B9DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.36

#55B9DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B9DC

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B9DC	#FFFFFF	#000000	##000000
##55B9DC	1.00	2.24	9.36	9.36
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.36	21.00	1.00	1.00
##000000	9.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B5DE

Deuteranopia (green-blind)

#92A7DC

Tritanopia (blue-blind)

#00C4C4

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #55b9dc;
/* rgb */ color: rgb(85, 185, 220);
/* oklch */ color: oklch(74.0% 0.105 224.0);

Tailwind

colors: {
  custom: {
    50: '#91cee7',
    500: '#55b9dc',
    950: '#000000',
  },
}

SCSS

$custom: #55b9dc;
$custom-light: #91cee7;
$custom-dark: #000000;

JSON

{
  "hex": "#55b9dc",
  "rgb": {
    "r": 85,
    "g": 185,
    "b": 220
  },
  "hsl": {
    "h": 195.556,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.73997,
    "c": 0.10537,
    "h": 224
  },
  "luminance": 0.41797
}

Semantic roles & 50–950 ramp

primary

#55B9DC

secondary

#E0BAAC

accent

#6B3FE9

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55B9DC

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

Preview Lab → · Contrast checker → · Palette generator →