#55B0DB#55B0DB

#55B0DB is a light, moderate cyan. Relative luminance 0.381; OKLCH L 71.9% C 0.107 H 231.3°. Best body text is #000000 at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#55B0DB
RGB	rgb(85, 176, 219)
HSL	hsl(199, 65%, 60%)
HSV	hsv(199, 61%, 86%)
CMYK	cmyk(61.2%, 19.6%, 0%, 14.1%)
CIE-LAB	lab(68.09, -14.43, -29.80)
CIE-LCH	lch(68.09, 33.11, 244.17°)
OKLab	oklab(71.88% -0.0666 -0.0833)
OKLCH	oklch(71.88% 0.107 231.3)
XYZ	xyz(32.0529, 38.0933, 72.6676)
Luminance	0.3810 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B0DB #DB8055

analogous

#55DBC3 #55B0DB #556DDB

triadic

#55B0DB #DB55B0 #B0DB55

tetradic

#55B0DB #C355DB #DB8055 #6DDB55

square

#55B0DB #C355DB #DB8055 #6DDB55

split-complementary

#55B0DB #DB556D #DBC355

monochromatic

#207096 #2A96C8 #55B0DB #88C7E6 #BADFF0

Accessibility & contrast

On white

2.44

#55B0DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.62

#55B0DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B0DB

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B0DB	#FFFFFF	#000000	##000000
##55B0DB	1.00	2.44	8.62	8.62
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.62	21.00	1.00	1.00
##000000	8.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BAEDD

Deuteranopia (green-blind)

#88A0DA

Tritanopia (blue-blind)

#00BCBE

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #55b0db;
/* rgb */ color: rgb(85, 176, 219);
/* oklch */ color: oklch(71.9% 0.107 231.3);

Tailwind

colors: {
  custom: {
    50: '#91c7e6',
    500: '#55b0db',
    950: '#000000',
  },
}

SCSS

$custom: #55b0db;
$custom-light: #91c7e6;
$custom-dark: #000000;

JSON

{
  "hex": "#55b0db",
  "rgb": {
    "r": 85,
    "g": 176,
    "b": 219
  },
  "hsl": {
    "h": 199.254,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.7188,
    "c": 0.10666,
    "h": 231.3
  },
  "luminance": 0.38096
}

Semantic roles & 50–950 ramp

primary

#55B0DB

secondary

#E0BDAC

accent

#7640E8

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55B0DB

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

Preview Lab → · Contrast checker → · Palette generator →