#5BB1DA#5BB1DA

#5BB1DA is a light, moderate cyan. Relative luminance 0.387; OKLCH L 72.3% C 0.102 H 231.2°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#5BB1DA
RGB	rgb(91, 177, 218)
HSL	hsl(199, 63%, 61%)
HSV	hsv(199, 58%, 85%)
CMYK	cmyk(58.3%, 18.8%, 0%, 14.5%)
CIE-LAB	lab(68.55, -14.15, -28.52)
CIE-LCH	lch(68.55, 31.83, 243.61°)
OKLab	oklab(72.3% -0.064 -0.0796)
OKLCH	oklch(72.3% 0.102 231.2)
XYZ	xyz(32.6866, 38.7273, 72.0686)
Luminance	0.3873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB1DA #DA845B

analogous

#5BDAC3 #5BB1DA #5B71DA

triadic

#5BB1DA #DA5BB1 #B1DA5B

tetradic

#5BB1DA #C35BDA #DA845B #71DA5B

square

#5BB1DA #C35BDA #DA845B #71DA5B

split-complementary

#5BB1DA #DA5B71 #DAC35B

monochromatic

#227298 #2E98CA #5BB1DA #8DC9E5 #BFE0F1

Accessibility & contrast

On white

2.40

#5BB1DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#5BB1DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB1DA

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB1DA	#FFFFFF	#000000	##000000
##5BB1DA	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DAFDC

Deuteranopia (green-blind)

#8BA1D9

Tritanopia (blue-blind)

#00BCBE

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #5bb1da;
/* rgb */ color: rgb(91, 177, 218);
/* oklch */ color: oklch(72.3% 0.102 231.2);

Tailwind

colors: {
  custom: {
    50: '#94c8e5',
    500: '#5bb1da',
    950: '#000000',
  },
}

SCSS

$custom: #5bb1da;
$custom-light: #94c8e5;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb1da",
  "rgb": {
    "r": 91,
    "g": 177,
    "b": 218
  },
  "hsl": {
    "h": 199.37,
    "s": 63.184,
    "l": 60.588
  },
  "oklch": {
    "l": 0.72296,
    "c": 0.10213,
    "h": 231.2
  },
  "luminance": 0.3873
}

Semantic roles & 50–950 ramp

primary

#5BB1DA

secondary

#E1C0B0

accent

#531BCB

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1315

muted

#7E8284

Preview Lab

Preview with #5BB1DA

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

Preview Lab → · Contrast checker → · Palette generator →