#5BB8CB#5BB8CB

#5BB8CB is a light, moderate cyan. Relative luminance 0.408; OKLCH L 73.3% C 0.092 H 212.8°. Best body text is #000000 at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#5BB8CB
RGB	rgb(91, 184, 203)
HSL	hsl(190, 52%, 58%)
HSV	hsv(190, 55%, 80%)
CMYK	cmyk(55.2%, 9.4%, 0%, 20.4%)
CIE-LAB	lab(70.05, -22.22, -18.01)
CIE-LCH	lch(70.05, 28.60, 219.03°)
OKLab	oklab(73.31% -0.0773 -0.0498)
OKLCH	oklch(73.31% 0.092 212.8)
XYZ	xyz(32.2301, 40.8139, 62.6677)
Luminance	0.4082 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB8CB #CB6E5B

analogous

#5BCBA6 #5BB8CB #5B80CB

triadic

#5BB8CB #CB5BB8 #B8CB5B

tetradic

#5BB8CB #A65BCB #CB6E5B #80CB5B

square

#5BB8CB #A65BCB #CB6E5B #80CB5B

split-complementary

#5BB8CB #CB5B80 #CBA65B

monochromatic

#297382 #389CB1 #5BB8CB #89CCDA #B8E0E8

Accessibility & contrast

On white

2.29

#5BB8CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.16

#5BB8CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB8CB

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB8CB	#FFFFFF	#000000	##000000
##5BB8CB	1.00	2.29	9.16	9.16
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.16	21.00	1.00	1.00
##000000	9.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B3CC

Deuteranopia (green-blind)

#98A6CB

Tritanopia (blue-blind)

#00C0BE

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #5bb8cb;
/* rgb */ color: rgb(91, 184, 203);
/* oklch */ color: oklch(73.3% 0.092 212.8);

Tailwind

colors: {
  custom: {
    50: '#93cdda',
    500: '#5bb8cb',
    950: '#000000',
  },
}

SCSS

$custom: #5bb8cb;
$custom-light: #93cdda;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb8cb",
  "rgb": {
    "r": 91,
    "g": 184,
    "b": 203
  },
  "hsl": {
    "h": 190.179,
    "s": 51.852,
    "l": 57.647
  },
  "oklch": {
    "l": 0.7331,
    "c": 0.09202,
    "h": 212.8
  },
  "luminance": 0.40817
}

Semantic roles & 50–950 ramp

primary

#5BB8CB

secondary

#D7B2AA

accent

#654CDB

background

#F9FCFD

surface

#F2F9FA

border

#CCD2D3

text

#0E1314

muted

#7E8283

Preview Lab

Preview with #5BB8CB

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

Preview Lab → · Contrast checker → · Palette generator →