#5B9DE4#5B9DE4

#5B9DE4 is a light, vivid cyan. Relative luminance 0.319; OKLCH L 68.3% C 0.125 H 251.7°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#5B9DE4
RGB	rgb(91, 157, 228)
HSL	hsl(211, 72%, 63%)
HSV	hsv(211, 60%, 89%)
CMYK	cmyk(60.1%, 31.1%, 0%, 10.6%)
CIE-LAB	lab(63.29, 0.06, -42.21)
CIE-LCH	lch(63.29, 42.21, 270.08°)
OKLab	oklab(68.27% -0.0394 -0.1191)
OKLCH	oklch(68.27% 0.125 251.7)
XYZ	xyz(30.3699, 31.9367, 77.9477)
Luminance	0.3194 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9DE4 #E4A25B

analogous

#5BE1E4 #5B9DE4 #5D5BE4

triadic

#5B9DE4 #E45B9D #9DE45B

tetradic

#5B9DE4 #E45BE1 #E4A25B #5BE45D

square

#5B9DE4 #E45BE1 #E4A25B #5BE45D

split-complementary

#5B9DE4 #E45D5B #E1E45B

monochromatic

#1C60A9 #267EDB #5B9DE4 #90BCED #C4DCF5

Accessibility & contrast

On white

2.84

#5B9DE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.39

#5B9DE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9DE4

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9DE4	#FFFFFF	#000000	##000000
##5B9DE4	1.00	2.84	7.39	7.39
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.39	21.00	1.00	1.00
##000000	7.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA1E7

Deuteranopia (green-blind)

#6D93E3

Tritanopia (blue-blind)

#00ADB6

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #5b9de4;
/* rgb */ color: rgb(91, 157, 228);
/* oklch */ color: oklch(68.3% 0.125 251.7);

Tailwind

colors: {
  custom: {
    50: '#94b9ed',
    500: '#5b9de4',
    950: '#000000',
  },
}

SCSS

$custom: #5b9de4;
$custom-light: #94b9ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9de4",
  "rgb": {
    "r": 91,
    "g": 157,
    "b": 228
  },
  "hsl": {
    "h": 211.095,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.68274,
    "c": 0.12549,
    "h": 251.7
  },
  "luminance": 0.3194
}

Semantic roles & 50–950 ramp

primary

#5B9DE4

secondary

#E6CEB4

accent

#7612D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5B9DE4

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

Preview Lab → · Contrast checker → · Palette generator →