#5BBBDA#5BBBDA

#5BBBDA is a light, moderate cyan. Relative luminance 0.428; OKLCH L 74.6% C 0.100 H 221.8°. Best body text is #000000 at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBDA
RGB	rgb(91, 187, 218)
HSL	hsl(195, 63%, 61%)
HSV	hsv(195, 58%, 85%)
CMYK	cmyk(58.3%, 14.2%, 0%, 14.5%)
CIE-LAB	lab(71.43, -19.40, -24.10)
CIE-LCH	lch(71.43, 30.94, 231.16°)
OKLab	oklab(74.6% -0.0748 -0.067)
OKLCH	oklch(74.6% 0.1 221.8)
XYZ	xyz(34.7346, 42.8234, 72.7513)
Luminance	0.4283 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBDA #DA7A5B

analogous

#5BDABA #5BBBDA #5B7BDA

triadic

#5BBBDA #DA5BBB #BBDA5B

tetradic

#5BBBDA #BA5BDA #DA7A5B #7BDA5B

square

#5BBBDA #BA5BDA #DA7A5B #7BDA5B

split-complementary

#5BBBDA #DA5B7B #DABA5B

monochromatic

#227B98 #2EA4CA #5BBBDA #8DD0E5 #BFE4F1

Accessibility & contrast

On white

2.20

#5BBBDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.57

#5BBBDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBDA

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBDA	#FFFFFF	#000000	##000000
##5BBBDA	1.00	2.20	9.57	9.57
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.57	21.00	1.00	1.00
##000000	9.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B7DC

Deuteranopia (green-blind)

#96A9DA

Tritanopia (blue-blind)

#00C5C5

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #5bbbda;
/* rgb */ color: rgb(91, 187, 218);
/* oklch */ color: oklch(74.6% 0.100 221.8);

Tailwind

colors: {
  custom: {
    50: '#94cfe5',
    500: '#5bbbda',
    950: '#000000',
  },
}

SCSS

$custom: #5bbbda;
$custom-light: #94cfe5;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbbda",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 218
  },
  "hsl": {
    "h": 194.646,
    "s": 63.184,
    "l": 60.588
  },
  "oklch": {
    "l": 0.74595,
    "c": 0.10041,
    "h": 221.8
  },
  "luminance": 0.42827
}

Semantic roles & 50–950 ramp

primary

#5BBBDA

secondary

#E1BCB0

accent

#461BCB

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1315

muted

#7E8284

Preview Lab

Preview with #5BBBDA

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

Preview Lab → · Contrast checker → · Palette generator →