#5B9EEF#5B9EEF

#5B9EEF is a light, vivid cyan. Relative luminance 0.329; OKLCH L 69.1% C 0.138 H 254.3°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#5B9EEF
RGB	rgb(91, 158, 239)
HSL	hsl(213, 82%, 65%)
HSV	hsv(213, 62%, 94%)
CMYK	cmyk(61.9%, 33.9%, 0%, 6.3%)
CIE-LAB	lab(64.09, 3.06, -47.01)
CIE-LCH	lch(64.09, 47.11, 273.72°)
OKLab	oklab(69.07% -0.0375 -0.1331)
OKLCH	oklch(69.07% 0.138 254.3)
XYZ	xyz(32.1156, 32.9068, 86.3038)
Luminance	0.3291 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9EEF #EFAC5B

analogous

#5BE8EF #5B9EEF #625BEF

triadic

#5B9EEF #EF5B9E #9EEF5B

tetradic

#5B9EEF #EF5BE8 #EFAC5B #5BEF62

square

#5B9EEF #EF5BE8 #EFAC5B #5BEF62

split-complementary

#5B9EEF #EF625B #E8EF5B

monochromatic

#1260BD #237DEA #5B9EEF #93BFF4 #CBE0FA

Accessibility & contrast

On white

2.77

#5B9EEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.58

#5B9EEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9EEF

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9EEF	#FFFFFF	#000000	##000000
##5B9EEF	1.00	2.77	7.58	7.58
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.58	21.00	1.00	1.00
##000000	7.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7BA3F2

Deuteranopia (green-blind)

#6795ED

Tritanopia (blue-blind)

#00B1BB

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #5b9eef;
/* rgb */ color: rgb(91, 158, 239);
/* oklch */ color: oklch(69.1% 0.138 254.3);

Tailwind

colors: {
  custom: {
    50: '#96baf4',
    500: '#5b9eef',
    950: '#000000',
  },
}

SCSS

$custom: #5b9eef;
$custom-light: #96baf4;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9eef",
  "rgb": {
    "r": 91,
    "g": 158,
    "b": 239
  },
  "hsl": {
    "h": 212.838,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.69066,
    "c": 0.13831,
    "h": 254.3
  },
  "luminance": 0.3291
}

Semantic roles & 50–950 ramp

primary

#5B9EEF

secondary

#ECD5BA

accent

#7D07DF

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5B9EEF

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

Preview Lab → · Contrast checker → · Palette generator →