#5BB3DA#5BB3DA

#5BB3DA is a light, moderate cyan. Relative luminance 0.395; OKLCH L 72.8% C 0.102 H 229.3°. Best body text is #000000 at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#5BB3DA
RGB	rgb(91, 179, 218)
HSL	hsl(198, 63%, 61%)
HSV	hsv(198, 58%, 85%)
CMYK	cmyk(58.3%, 17.9%, 0%, 14.5%)
CIE-LAB	lab(69.13, -15.21, -27.63)
CIE-LCH	lch(69.13, 31.54, 241.17°)
OKLab	oklab(72.75% -0.0662 -0.077)
OKLCH	oklch(72.75% 0.102 229.3)
XYZ	xyz(33.0845, 39.5232, 72.2013)
Luminance	0.3953 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB3DA #DA825B

analogous

#5BDAC1 #5BB3DA #5B73DA

triadic

#5BB3DA #DA5BB3 #B3DA5B

tetradic

#5BB3DA #C15BDA #DA825B #73DA5B

square

#5BB3DA #C15BDA #DA825B #73DA5B

split-complementary

#5BB3DA #DA5B73 #DAC15B

monochromatic

#227498 #2E9ACA #5BB3DA #8DCAE5 #BFE1F1

Accessibility & contrast

On white

2.36

#5BB3DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.91

#5BB3DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB3DA

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB3DA	#FFFFFF	#000000	##000000
##5BB3DA	1.00	2.36	8.91	8.91
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.91	21.00	1.00	1.00
##000000	8.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB0DC

Deuteranopia (green-blind)

#8DA3D9

Tritanopia (blue-blind)

#00BEC0

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #5bb3da;
/* rgb */ color: rgb(91, 179, 218);
/* oklch */ color: oklch(72.8% 0.102 229.3);

Tailwind

colors: {
  custom: {
    50: '#94c9e5',
    500: '#5bb3da',
    950: '#000000',
  },
}

SCSS

$custom: #5bb3da;
$custom-light: #94c9e5;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb3da",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 218
  },
  "hsl": {
    "h": 198.425,
    "s": 63.184,
    "l": 60.588
  },
  "oklch": {
    "l": 0.72754,
    "c": 0.10158,
    "h": 229.3
  },
  "luminance": 0.39526
}

Semantic roles & 50–950 ramp

primary

#5BB3DA

secondary

#E1BFB0

accent

#511BCB

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1315

muted

#7E8284

Preview Lab

Preview with #5BB3DA

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

Preview Lab → · Contrast checker → · Palette generator →