#5BC1EE#5BC1EE

#5BC1EE is a light, moderate cyan. Relative luminance 0.465; OKLCH L 76.8% C 0.114 H 229.7°. Best body text is #000000 at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#5BC1EE
RGB	rgb(91, 193, 238)
HSL	hsl(198, 81%, 65%)
HSV	hsv(198, 62%, 93%)
CMYK	cmyk(61.8%, 18.9%, 0%, 6.7%)
CIE-LAB	lab(73.89, -16.51, -31.18)
CIE-LCH	lch(73.89, 35.28, 242.09°)
OKLab	oklab(76.8% -0.0738 -0.0871)
OKLCH	oklch(76.8% 0.114 229.7)
XYZ	xyz(38.8109, 46.5332, 87.8088)
Luminance	0.4654 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BC1EE #EE885B

analogous

#5BEED1 #5BC1EE #5B78EE

triadic

#5BC1EE #EE5BC1 #C1EE5B

tetradic

#5BC1EE #D15BEE #EE885B #78EE5B

square

#5BC1EE #D15BEE #EE885B #78EE5B

split-complementary

#5BC1EE #EE5B78 #EED15B

monochromatic

#1388BB #24ACE8 #5BC1EE #92D6F4 #CAEBF9

Accessibility & contrast

On white

2.04

#5BC1EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.31

#5BC1EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BC1EE

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BC1EE	#FFFFFF	#000000	##000000
##5BC1EE	1.00	2.04	10.31	10.31
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.31	21.00	1.00	1.00
##000000	10.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AABEF0

Deuteranopia (green-blind)

#95AFED

Tritanopia (blue-blind)

#00CED0

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #5bc1ee;
/* rgb */ color: rgb(91, 193, 238);
/* oklch */ color: oklch(76.8% 0.114 229.7);

Tailwind

colors: {
  custom: {
    50: '#97d3f3',
    500: '#5bc1ee',
    950: '#000000',
  },
}

SCSS

$custom: #5bc1ee;
$custom-light: #97d3f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5bc1ee",
  "rgb": {
    "r": 91,
    "g": 193,
    "b": 238
  },
  "hsl": {
    "h": 198.367,
    "s": 81.215,
    "l": 64.51
  },
  "oklch": {
    "l": 0.76798,
    "c": 0.11419,
    "h": 229.7
  },
  "luminance": 0.46537
}

Semantic roles & 50–950 ramp

primary

#5BC1EE

secondary

#ECC9B9

accent

#4908DE

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0F1417

muted

#7E8285

Preview Lab

Preview with #5BC1EE

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

Preview Lab → · Contrast checker → · Palette generator →