#5BB3DB#5BB3DB

#5BB3DB is a light, moderate cyan. Relative luminance 0.396; OKLCH L 72.8% C 0.102 H 230.0°. Best body text is #000000 at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#5BB3DB
RGB	rgb(91, 179, 219)
HSL	hsl(199, 64%, 61%)
HSV	hsv(199, 58%, 86%)
CMYK	cmyk(58.4%, 18.3%, 0%, 14.1%)
CIE-LAB	lab(69.17, -14.91, -28.12)
CIE-LCH	lch(69.17, 31.83, 242.07°)
OKLab	oklab(72.8% -0.0658 -0.0784)
OKLCH	oklch(72.8% 0.102 230)
XYZ	xyz(33.2158, 39.5757, 72.8925)
Luminance	0.3958 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB3DB #DB835B

analogous

#5BDBC3 #5BB3DB #5B73DB

triadic

#5BB3DB #DB5BB3 #B3DB5B

tetradic

#5BB3DB #C35BDB #DB835B #73DB5B

square

#5BB3DB #C35BDB #DB835B #73DB5B

split-complementary

#5BB3DB #DB5B73 #DBC35B

monochromatic

#22749A #2D9ACC #5BB3DB #8DCAE6 #BFE2F1

Accessibility & contrast

On white

2.36

#5BB3DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.92

#5BB3DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB3DB

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB3DB	#FFFFFF	#000000	##000000
##5BB3DB	1.00	2.36	8.92	8.92
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.92	21.00	1.00	1.00
##000000	8.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB0DD

Deuteranopia (green-blind)

#8DA3DA

Tritanopia (blue-blind)

#00BEC0

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #5bb3db;
/* rgb */ color: rgb(91, 179, 219);
/* oklch */ color: oklch(72.8% 0.102 230.0);

Tailwind

colors: {
  custom: {
    50: '#94c9e6',
    500: '#5bb3db',
    950: '#000000',
  },
}

SCSS

$custom: #5bb3db;
$custom-light: #94c9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb3db",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 219
  },
  "hsl": {
    "h": 198.75,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.72796,
    "c": 0.1024,
    "h": 230
  },
  "luminance": 0.39579
}

Semantic roles & 50–950 ramp

primary

#5BB3DB

secondary

#E1C0B1

accent

#511ACC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB3DB

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

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