#5BB8E9#5BB8E9

#5BB8E9 is a light, moderate cyan. Relative luminance 0.424; OKLCH L 74.5% C 0.113 H 234.1°. Best body text is #000000 at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#5BB8E9
RGB	rgb(91, 184, 233)
HSL	hsl(201, 76%, 64%)
HSV	hsv(201, 61%, 91%)
CMYK	cmyk(60.9%, 21%, 0%, 8.6%)
CIE-LAB	lab(71.14, -13.29, -32.72)
CIE-LCH	lch(71.14, 35.32, 247.89°)
OKLab	oklab(74.54% -0.0662 -0.0916)
OKLCH	oklch(74.54% 0.113 234.1)
XYZ	xyz(36.1572, 42.3848, 83.3506)
Luminance	0.4239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB8E9 #E98C5B

analogous

#5BE9D3 #5BB8E9 #5B71E9

triadic

#5BB8E9 #E95BB8 #B8E95B

tetradic

#5BB8E9 #D35BE9 #E98C5B #71E95B

square

#5BB8E9 #D35BE9 #E98C5B #71E95B

split-complementary

#5BB8E9 #E95B71 #E9D35B

monochromatic

#187DB2 #25A1E2 #5BB8E9 #91CFF0 #C7E7F7

Accessibility & contrast

On white

2.22

#5BB8E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.48

#5BB8E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB8E9

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB8E9	#FFFFFF	#000000	##000000
##5BB8E9	1.00	2.22	9.48	9.48
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.48	21.00	1.00	1.00
##000000	9.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B6EB

Deuteranopia (green-blind)

#8DA8E8

Tritanopia (blue-blind)

#00C5C8

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #5bb8e9;
/* rgb */ color: rgb(91, 184, 233);
/* oklch */ color: oklch(74.5% 0.113 234.1);

Tailwind

colors: {
  custom: {
    50: '#96cdf0',
    500: '#5bb8e9',
    950: '#000000',
  },
}

SCSS

$custom: #5bb8e9;
$custom-light: #96cdf0;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb8e9",
  "rgb": {
    "r": 91,
    "g": 184,
    "b": 233
  },
  "hsl": {
    "h": 200.704,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.74541,
    "c": 0.11301,
    "h": 234.1
  },
  "luminance": 0.42388
}

Semantic roles & 50–950 ramp

primary

#5BB8E9

secondary

#E9C8B7

accent

#530DD9

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB8E9

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

Preview Lab → · Contrast checker → · Palette generator →