#5BBDD3#5BBDD3

#5BBDD3 is a light, moderate cyan. Relative luminance 0.433; OKLCH L 74.8% C 0.097 H 214.5°. Best body text is #000000 at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#5BBDD3
RGB	rgb(91, 189, 211)
HSL	hsl(191, 58%, 59%)
HSV	hsv(191, 57%, 83%)
CMYK	cmyk(56.9%, 10.4%, 0%, 17.3%)
CIE-LAB	lab(71.77, -22.47, -19.77)
CIE-LCH	lch(71.77, 29.93, 221.34°)
OKLab	oklab(74.78% -0.0796 -0.0548)
OKLCH	oklch(74.78% 0.097 214.5)
XYZ	xyz(34.2652, 43.3192, 68.1711)
Luminance	0.4332 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBDD3 #D3715B

analogous

#5BD3AD #5BBDD3 #5B81D3

triadic

#5BBDD3 #D35BBD #BDD35B

tetradic

#5BBDD3 #AD5BD3 #D3715B #81D35B

square

#5BBDD3 #AD5BD3 #D3715B #81D35B

split-complementary

#5BBDD3 #D35B81 #D3AD5B

monochromatic

#267B8E #33A4BE #5BBDD3 #8BD0E0 #BCE4ED

Accessibility & contrast

On white

2.17

#5BBDD3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.66

#5BBDD3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBDD3

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBDD3	#FFFFFF	#000000	##000000
##5BBDD3	1.00	2.17	9.66	9.66
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.66	21.00	1.00	1.00
##000000	9.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADB8D4

Deuteranopia (green-blind)

#9BAAD3

Tritanopia (blue-blind)

#00C6C4

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #5bbdd3;
/* rgb */ color: rgb(91, 189, 211);
/* oklch */ color: oklch(74.8% 0.097 214.5);

Tailwind

colors: {
  custom: {
    50: '#94d1e0',
    500: '#5bbdd3',
    950: '#000000',
  },
}

SCSS

$custom: #5bbdd3;
$custom-light: #94d1e0;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbdd3",
  "rgb": {
    "r": 91,
    "g": 189,
    "b": 211
  },
  "hsl": {
    "h": 191,
    "s": 57.692,
    "l": 59.216
  },
  "oklch": {
    "l": 0.74783,
    "c": 0.09667,
    "h": 214.5
  },
  "luminance": 0.43322
}

Semantic roles & 50–950 ramp

primary

#5BBDD3

secondary

#DCB6AD

accent

#6347E1

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #5BBDD3

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

Preview Lab → · Contrast checker → · Palette generator →