#5BB5C9#5BB5C9

#5BB5C9 is a light, moderate cyan. Relative luminance 0.395; OKLCH L 72.5% C 0.090 H 214.2°. Best body text is #000000 at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#5BB5C9
RGB	rgb(91, 181, 201)
HSL	hsl(191, 50%, 57%)
HSV	hsv(191, 55%, 79%)
CMYK	cmyk(54.7%, 10%, 0%, 21.2%)
CIE-LAB	lab(69.10, -21.26, -18.34)
CIE-LCH	lch(69.10, 28.07, 220.79°)
OKLab	oklab(72.53% -0.0748 -0.0508)
OKLCH	oklch(72.53% 0.09 214.2)
XYZ	xyz(31.3767, 39.4860, 61.2151)
Luminance	0.3949 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB5C9 #C96F5B

analogous

#5BC9A6 #5BB5C9 #5B7EC9

triadic

#5BB5C9 #C95BB5 #B5C95B

tetradic

#5BB5C9 #A65BC9 #C96F5B #7EC95B

square

#5BB5C9 #A65BC9 #C96F5B #7EC95B

split-complementary

#5BB5C9 #C95B7E #C9A65B

monochromatic

#2A7080 #3998AE #5BB5C9 #89CAD8 #B7DFE7

Accessibility & contrast

On white

2.36

#5BB5C9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.90

#5BB5C9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB5C9

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB5C9	#FFFFFF	#000000	##000000
##5BB5C9	1.00	2.36	8.90	8.90
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.90	21.00	1.00	1.00
##000000	8.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B0CA

Deuteranopia (green-blind)

#96A3C9

Tritanopia (blue-blind)

#00BDBB

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #5bb5c9;
/* rgb */ color: rgb(91, 181, 201);
/* oklch */ color: oklch(72.5% 0.090 214.2);

Tailwind

colors: {
  custom: {
    50: '#92cbd9',
    500: '#5bb5c9',
    950: '#000000',
  },
}

SCSS

$custom: #5bb5c9;
$custom-light: #92cbd9;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb5c9",
  "rgb": {
    "r": 91,
    "g": 181,
    "b": 201
  },
  "hsl": {
    "h": 190.909,
    "s": 50.459,
    "l": 57.255
  },
  "oklch": {
    "l": 0.72532,
    "c": 0.09043,
    "h": 214.2
  },
  "luminance": 0.39489
}

Semantic roles & 50–950 ramp

primary

#5BB5C9

secondary

#D6B2AA

accent

#674EDA

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0E1314

muted

#7E8283

Preview Lab

Preview with #5BB5C9

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

Preview Lab → · Contrast checker → · Palette generator →