#5BB1E6#5BB1E6

#5BB1E6 is a light, moderate cyan. Relative luminance 0.394; OKLCH L 72.8% C 0.113 H 238.1°. Best body text is #000000 at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#5BB1E6
RGB	rgb(91, 177, 230)
HSL	hsl(203, 74%, 63%)
HSV	hsv(203, 60%, 90%)
CMYK	cmyk(60.4%, 23%, 0%, 9.8%)
CIE-LAB	lab(69.02, -10.46, -34.36)
CIE-LCH	lch(69.02, 35.91, 253.07°)
OKLab	oklab(72.83% -0.0599 -0.0963)
OKLCH	oklch(72.83% 0.113 238.1)
XYZ	xyz(34.3140, 39.3783, 80.6400)
Luminance	0.3938 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB1E6 #E6905B

analogous

#5BE6D6 #5BB1E6 #5B6BE6

triadic

#5BB1E6 #E65BB1 #B1E65B

tetradic

#5BB1E6 #D65BE6 #E6905B #6BE65B

square

#5BB1E6 #D65BE6 #E6905B #6BE65B

split-complementary

#5BB1E6 #E65B6B #E6D65B

monochromatic

#1A75AC #2698DE #5BB1E6 #90CAEE #C5E4F6

Accessibility & contrast

On white

2.37

#5BB1E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.88

#5BB1E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB1E6

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB1E6	#FFFFFF	#000000	##000000
##5BB1E6	1.00	2.37	8.88	8.88
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.88	21.00	1.00	1.00
##000000	8.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B0E8

Deuteranopia (green-blind)

#85A2E5

Tritanopia (blue-blind)

#00BEC3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #5bb1e6;
/* rgb */ color: rgb(91, 177, 230);
/* oklch */ color: oklch(72.8% 0.113 238.1);

Tailwind

colors: {
  custom: {
    50: '#95c8ee',
    500: '#5bb1e6',
    950: '#000000',
  },
}

SCSS

$custom: #5bb1e6;
$custom-light: #95c8ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb1e6",
  "rgb": {
    "r": 91,
    "g": 177,
    "b": 230
  },
  "hsl": {
    "h": 202.878,
    "s": 73.545,
    "l": 62.941
  },
  "oklch": {
    "l": 0.72826,
    "c": 0.11341,
    "h": 238.1
  },
  "luminance": 0.39382
}

Semantic roles & 50–950 ramp

primary

#5BB1E6

secondary

#E7C8B5

accent

#5B10D6

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB1E6

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

Preview Lab → · Contrast checker → · Palette generator →