#5B9FE9#5B9FE9

#5B9FE9 is a light, vivid cyan. Relative luminance 0.329; OKLCH L 69.0% C 0.130 H 252.0°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#5B9FE9
RGB	rgb(91, 159, 233)
HSL	hsl(211, 76%, 64%)
HSV	hsv(211, 61%, 91%)
CMYK	cmyk(60.9%, 31.8%, 0%, 8.6%)
CIE-LAB	lab(64.08, 0.53, -43.72)
CIE-LCH	lch(64.08, 43.73, 270.69°)
OKLab	oklab(68.97% -0.0401 -0.1235)
OKLCH	oklch(68.97% 0.13 252)
XYZ	xyz(31.4152, 32.9007, 81.7699)
Luminance	0.3290 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9FE9 #E9A55B

analogous

#5BE6E9 #5B9FE9 #5E5BE9

triadic

#5B9FE9 #E95B9F #9FE95B

tetradic

#5B9FE9 #E95BE6 #E9A55B #5BE95E

square

#5B9FE9 #E95BE6 #E9A55B #5BE95E

split-complementary

#5B9FE9 #E95E5B #E6E95B

monochromatic

#1862B2 #257FE2 #5B9FE9 #91BFF0 #C7DEF7

Accessibility & contrast

On white

2.77

#5B9FE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.58

#5B9FE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9FE9

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9FE9	#FFFFFF	#000000	##000000
##5B9FE9	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)

#7FA3EC

Deuteranopia (green-blind)

#6C95E8

Tritanopia (blue-blind)

#00B0B9

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #5b9fe9;
/* rgb */ color: rgb(91, 159, 233);
/* oklch */ color: oklch(69.0% 0.130 252.0);

Tailwind

colors: {
  custom: {
    50: '#95bbf0',
    500: '#5b9fe9',
    950: '#000000',
  },
}

SCSS

$custom: #5b9fe9;
$custom-light: #95bbf0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9fe9",
  "rgb": {
    "r": 91,
    "g": 159,
    "b": 233
  },
  "hsl": {
    "h": 211.268,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.68969,
    "c": 0.12988,
    "h": 252
  },
  "luminance": 0.32904
}

Semantic roles & 50–950 ramp

primary

#5B9FE9

secondary

#E9D1B7

accent

#770DD9

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5B9FE9

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

Preview Lab → · Contrast checker → · Palette generator →