#5BB1E1#5BB1E1

#5BB1E1 is a light, moderate cyan. Relative luminance 0.391; OKLCH L 72.6% C 0.109 H 235.4°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#5BB1E1
RGB	rgb(91, 177, 225)
HSL	hsl(201, 69%, 62%)
HSV	hsv(201, 60%, 88%)
CMYK	cmyk(59.6%, 21.3%, 0%, 11.8%)
CIE-LAB	lab(68.82, -12.01, -31.93)
CIE-LCH	lch(68.82, 34.12, 249.39°)
OKLab	oklab(72.6% -0.0616 -0.0893)
OKLCH	oklch(72.6% 0.109 235.4)
XYZ	xyz(33.6220, 39.1014, 76.9950)
Luminance	0.3911 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB1E1 #E18B5B

analogous

#5BE1CE #5BB1E1 #5B6EE1

triadic

#5BB1E1 #E15BB1 #B1E15B

tetradic

#5BB1E1 #CE5BE1 #E18B5B #6EE15B

square

#5BB1E1 #CE5BE1 #E18B5B #6EE15B

split-complementary

#5BB1E1 #E15B6E #E1CE5B

monochromatic

#1E74A4 #2798D7 #5BB1E1 #8FCAEA #C2E2F4

Accessibility & contrast

On white

2.38

#5BB1E1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.82

#5BB1E1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB1E1

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB1E1	#FFFFFF	#000000	##000000
##5BB1E1	1.00	2.38	8.82	8.82
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.82	21.00	1.00	1.00
##000000	8.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB0E3

Deuteranopia (green-blind)

#88A2E0

Tritanopia (blue-blind)

#00BEC1

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #5bb1e1;
/* rgb */ color: rgb(91, 177, 225);
/* oklch */ color: oklch(72.6% 0.109 235.4);

Tailwind

colors: {
  custom: {
    50: '#94c8ea',
    500: '#5bb1e1',
    950: '#000000',
  },
}

SCSS

$custom: #5bb1e1;
$custom-light: #94c8ea;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb1e1",
  "rgb": {
    "r": 91,
    "g": 177,
    "b": 225
  },
  "hsl": {
    "h": 201.493,
    "s": 69.072,
    "l": 61.961
  },
  "oklch": {
    "l": 0.72601,
    "c": 0.10852,
    "h": 235.4
  },
  "luminance": 0.39105
}

Semantic roles & 50–950 ramp

primary

#5BB1E1

secondary

#E5C5B3

accent

#5814D1

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB1E1

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

Preview Lab → · Contrast checker → · Palette generator →