#5BBDD5#5BBDD5

#5BBDD5 is a light, moderate cyan. Relative luminance 0.434; OKLCH L 74.9% C 0.098 H 216.1°. Best body text is #000000 at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#5BBDD5
RGB	rgb(91, 189, 213)
HSL	hsl(192, 59%, 60%)
HSV	hsv(192, 57%, 84%)
CMYK	cmyk(57.3%, 11.3%, 0%, 16.5%)
CIE-LAB	lab(71.84, -21.89, -20.75)
CIE-LCH	lch(71.84, 30.16, 223.48°)
OKLab	oklab(74.86% -0.0789 -0.0576)
OKLCH	oklch(74.86% 0.098 216.1)
XYZ	xyz(34.5174, 43.4201, 69.4998)
Luminance	0.4342 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBDD5 #D5735B

analogous

#5BD5B0 #5BBDD5 #5B80D5

triadic

#5BBDD5 #D55BBD #BDD55B

tetradic

#5BBDD5 #B05BD5 #D5735B #80D55B

square

#5BBDD5 #B05BD5 #D5735B #80D55B

split-complementary

#5BBDD5 #D55B80 #D5B05B

monochromatic

#257B91 #32A5C1 #5BBDD5 #8CD1E1 #BCE4EE

Accessibility & contrast

On white

2.17

#5BBDD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.68

#5BBDD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBDD5

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBDD5	#FFFFFF	#000000	##000000
##5BBDD5	1.00	2.17	9.68	9.68
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.68	21.00	1.00	1.00
##000000	9.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADB8D6

Deuteranopia (green-blind)

#9AAAD5

Tritanopia (blue-blind)

#00C6C4

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #5bbdd5;
/* rgb */ color: rgb(91, 189, 213);
/* oklch */ color: oklch(74.9% 0.098 216.1);

Tailwind

colors: {
  custom: {
    50: '#94d1e2',
    500: '#5bbdd5',
    950: '#000000',
  },
}

SCSS

$custom: #5bbdd5;
$custom-light: #94d1e2;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbdd5",
  "rgb": {
    "r": 91,
    "g": 189,
    "b": 213
  },
  "hsl": {
    "h": 191.803,
    "s": 59.223,
    "l": 59.608
  },
  "oklch": {
    "l": 0.7486,
    "c": 0.09764,
    "h": 216.1
  },
  "luminance": 0.43423
}

Semantic roles & 50–950 ramp

primary

#5BBDD5

secondary

#DEB8AE

accent

#6445E2

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #5BBDD5

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

Preview Lab → · Contrast checker → · Palette generator →