#5BB0EC#5BB0EC

#5BB0EC is a light, vivid cyan. Relative luminance 0.393; OKLCH L 72.9% C 0.120 H 241.7°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#5BB0EC
RGB	rgb(91, 176, 236)
HSL	hsl(205, 79%, 64%)
HSV	hsv(205, 61%, 93%)
CMYK	cmyk(61.4%, 25.4%, 0%, 7.5%)
CIE-LAB	lab(68.99, -8.03, -37.69)
CIE-LCH	lch(68.99, 38.53, 257.97°)
OKLab	oklab(72.88% -0.0569 -0.1059)
OKLCH	oklch(72.88% 0.12 241.7)
XYZ	xyz(34.9743, 39.3275, 85.0884)
Luminance	0.3933 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB0EC #EC975B

analogous

#5BECE0 #5BB0EC #5B68EC

triadic

#5BB0EC #EC5BB0 #B0EC5B

tetradic

#5BB0EC #E05BEC #EC975B #68EC5B

square

#5BB0EC #E05BEC #EC975B #68EC5B

split-complementary

#5BB0EC #EC5B68 #ECE05B

monochromatic

#1574B7 #2496E6 #5BB0EC #92CAF2 #C9E5F9

Accessibility & contrast

On white

2.37

#5BB0EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.87

#5BB0EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB0EC

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB0EC	#FFFFFF	#000000	##000000
##5BB0EC	1.00	2.37	8.87	8.87
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.87	21.00	1.00	1.00
##000000	8.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95B0EF

Deuteranopia (green-blind)

#81A2EB

Tritanopia (blue-blind)

#00BFC5

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #5bb0ec;
/* rgb */ color: rgb(91, 176, 236);
/* oklch */ color: oklch(72.9% 0.120 241.7);

Tailwind

colors: {
  custom: {
    50: '#96c7f2',
    500: '#5bb0ec',
    950: '#000000',
  },
}

SCSS

$custom: #5bb0ec;
$custom-light: #96c7f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb0ec",
  "rgb": {
    "r": 91,
    "g": 176,
    "b": 236
  },
  "hsl": {
    "h": 204.828,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.72878,
    "c": 0.12023,
    "h": 241.7
  },
  "luminance": 0.39331
}

Semantic roles & 50–950 ramp

primary

#5BB0EC

secondary

#EBCDB8

accent

#610ADC

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #5BB0EC

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

Preview Lab → · Contrast checker → · Palette generator →