#5BB0E9#5BB0E9

#5BB0E9 is a light, moderate cyan. Relative luminance 0.392; OKLCH L 72.7% C 0.117 H 240.4°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#5BB0E9
RGB	rgb(91, 176, 233)
HSL	hsl(204, 76%, 64%)
HSV	hsv(204, 61%, 91%)
CMYK	cmyk(60.9%, 24.5%, 0%, 8.6%)
CIE-LAB	lab(68.86, -8.98, -36.25)
CIE-LCH	lch(68.86, 37.34, 256.09°)
OKLab	oklab(72.74% -0.0579 -0.1017)
OKLCH	oklch(72.74% 0.117 240.4)
XYZ	xyz(34.5422, 39.1547, 82.8122)
Luminance	0.3916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB0E9 #E9945B

analogous

#5BE9DB #5BB0E9 #5B69E9

triadic

#5BB0E9 #E95BB0 #B0E95B

tetradic

#5BB0E9 #DB5BE9 #E9945B #69E95B

square

#5BB0E9 #DB5BE9 #E9945B #69E95B

split-complementary

#5BB0E9 #E95B69 #E9DB5B

monochromatic

#1874B2 #2596E2 #5BB0E9 #91CAF0 #C7E4F7

Accessibility & contrast

On white

2.38

#5BB0E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#5BB0E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB0E9

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB0E9	#FFFFFF	#000000	##000000
##5BB0E9	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96B0EC

Deuteranopia (green-blind)

#83A2E8

Tritanopia (blue-blind)

#00BEC3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #5bb0e9;
/* rgb */ color: rgb(91, 176, 233);
/* oklch */ color: oklch(72.7% 0.117 240.4);

Tailwind

colors: {
  custom: {
    50: '#95c7f0',
    500: '#5bb0e9',
    950: '#000000',
  },
}

SCSS

$custom: #5bb0e9;
$custom-light: #95c7f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb0e9",
  "rgb": {
    "r": 91,
    "g": 176,
    "b": 233
  },
  "hsl": {
    "h": 204.085,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.72738,
    "c": 0.11705,
    "h": 240.4
  },
  "luminance": 0.39158
}

Semantic roles & 50–950 ramp

primary

#5BB0E9

secondary

#E9CBB7

accent

#5F0DD9

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB0E9

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

Preview Lab → · Contrast checker → · Palette generator →