#5BD5F0#5BD5F0

#5BD5F0 is a light, moderate cyan. Relative luminance 0.561; OKLCH L 81.4% C 0.114 H 214.8°. Best body text is #000000 at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#5BD5F0
RGB	rgb(91, 213, 240)
HSL	hsl(191, 83%, 65%)
HSV	hsv(191, 62%, 94%)
CMYK	cmyk(62.1%, 11.2%, 0%, 5.9%)
CIE-LAB	lab(79.67, -26.08, -23.40)
CIE-LCH	lch(79.67, 35.04, 221.90°)
OKLab	oklab(81.45% -0.0935 -0.065)
OKLCH	oklch(81.45% 0.114 214.8)
XYZ	xyz(43.8304, 56.0993, 90.9395)
Luminance	0.5610 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BD5F0 #F0765B

analogous

#5BF0C0 #5BD5F0 #5B8BF0

triadic

#5BD5F0 #F05BD5 #D5F05B

tetradic

#5BD5F0 #C05BF0 #F0765B #8BF05B

square

#5BD5F0 #C05BF0 #F0765B #8BF05B

split-complementary

#5BD5F0 #F05B8B #F0C05B

monochromatic

#11A0BF #23C7EB #5BD5F0 #93E3F5 #CBF2FA

Accessibility & contrast

On white

1.72

#5BD5F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.22

#5BD5F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BD5F0

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BD5F0	#FFFFFF	#000000	##000000
##5BD5F0	1.00	1.72	12.22	12.22
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.22	21.00	1.00	1.00
##000000	12.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2CFF2

Deuteranopia (green-blind)

#ACBFF0

Tritanopia (blue-blind)

#00DFDD

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #5bd5f0;
/* rgb */ color: rgb(91, 213, 240);
/* oklch */ color: oklch(81.4% 0.114 214.8);

Tailwind

colors: {
  custom: {
    50: '#98e2f5',
    500: '#5bd5f0',
    950: '#000000',
  },
}

SCSS

$custom: #5bd5f0;
$custom-light: #98e2f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5bd5f0",
  "rgb": {
    "r": 91,
    "g": 213,
    "b": 240
  },
  "hsl": {
    "h": 190.872,
    "s": 83.24,
    "l": 64.902
  },
  "oklch": {
    "l": 0.81447,
    "c": 0.11392,
    "h": 214.8
  },
  "luminance": 0.56104
}

Semantic roles & 50–950 ramp

primary

#5BD5F0

secondary

#BD4B32

accent

#2D06E0

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #5BD5F0

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

Preview Lab → · Contrast checker → · Palette generator →