#5BBDD4#5BBDD4

#5BBDD4 is a light, moderate cyan. Relative luminance 0.434; OKLCH L 74.8% C 0.097 H 215.3°. Best body text is #000000 at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#5BBDD4
RGB	rgb(91, 189, 212)
HSL	hsl(191, 58%, 59%)
HSV	hsv(191, 57%, 83%)
CMYK	cmyk(57.1%, 10.8%, 0%, 16.9%)
CIE-LAB	lab(71.81, -22.18, -20.26)
CIE-LCH	lch(71.81, 30.04, 222.41°)
OKLab	oklab(74.82% -0.0793 -0.0562)
OKLCH	oklch(74.82% 0.097 215.3)
XYZ	xyz(34.3909, 43.3695, 68.8334)
Luminance	0.4337 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBDD4 #D4725B

analogous

#5BD4AF #5BBDD4 #5B81D4

triadic

#5BBDD4 #D45BBD #BDD45B

tetradic

#5BBDD4 #AF5BD4 #D4725B #81D45B

square

#5BBDD4 #AF5BD4 #D4725B #81D45B

split-complementary

#5BBDD4 #D45B81 #D4AF5B

monochromatic

#267B8F #32A5C0 #5BBDD4 #8BD1E1 #BCE4ED

Accessibility & contrast

On white

2.17

#5BBDD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.67

#5BBDD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBDD4

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBDD4	#FFFFFF	#000000	##000000
##5BBDD4	1.00	2.17	9.67	9.67
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.67	21.00	1.00	1.00
##000000	9.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADB8D5

Deuteranopia (green-blind)

#9BAAD4

Tritanopia (blue-blind)

#00C6C4

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #5bbdd4;
/* rgb */ color: rgb(91, 189, 212);
/* oklch */ color: oklch(74.8% 0.097 215.3);

Tailwind

colors: {
  custom: {
    50: '#94d1e1',
    500: '#5bbdd4',
    950: '#000000',
  },
}

SCSS

$custom: #5bbdd4;
$custom-light: #94d1e1;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbdd4",
  "rgb": {
    "r": 91,
    "g": 189,
    "b": 212
  },
  "hsl": {
    "h": 191.405,
    "s": 58.454,
    "l": 59.412
  },
  "oklch": {
    "l": 0.74822,
    "c": 0.09715,
    "h": 215.3
  },
  "luminance": 0.43373
}

Semantic roles & 50–950 ramp

primary

#5BBDD4

secondary

#DDB7AE

accent

#6446E2

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #5BBDD4

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

Preview Lab → · Contrast checker → · Palette generator →