#5BB9E2#5BB9E2

#5BB9E2 is a light, moderate cyan. Relative luminance 0.424; OKLCH L 74.5% C 0.107 H 229.1°. Best body text is #000000 at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#5BB9E2
RGB	rgb(91, 185, 226)
HSL	hsl(198, 70%, 62%)
HSV	hsv(198, 60%, 89%)
CMYK	cmyk(59.7%, 18.1%, 0%, 11.4%)
CIE-LAB	lab(71.15, -15.96, -28.89)
CIE-LCH	lch(71.15, 33.01, 241.07°)
OKLab	oklab(74.47% -0.0697 -0.0806)
OKLCH	oklch(74.47% 0.107 229.1)
XYZ	xyz(35.3855, 42.4096, 78.2578)
Luminance	0.4241 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB9E2 #E2845B

analogous

#5BE2C7 #5BB9E2 #5B76E2

triadic

#5BB9E2 #E25BB9 #B9E25B

tetradic

#5BB9E2 #C75BE2 #E2845B #76E25B

square

#5BB9E2 #C75BE2 #E2845B #76E25B

split-complementary

#5BB9E2 #E25B76 #E2C75B

monochromatic

#1D7CA5 #27A3D9 #5BB9E2 #8FCFEB #C3E5F4

Accessibility & contrast

On white

2.21

#5BB9E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.48

#5BB9E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB9E2

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB9E2	#FFFFFF	#000000	##000000
##5BB9E2	1.00	2.21	9.48	9.48
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.48	21.00	1.00	1.00
##000000	9.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B6E4

Deuteranopia (green-blind)

#91A8E1

Tritanopia (blue-blind)

#00C5C6

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #5bb9e2;
/* rgb */ color: rgb(91, 185, 226);
/* oklch */ color: oklch(74.5% 0.107 229.1);

Tailwind

colors: {
  custom: {
    50: '#95ceeb',
    500: '#5bb9e2',
    950: '#000000',
  },
}

SCSS

$custom: #5bb9e2;
$custom-light: #95ceeb;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb9e2",
  "rgb": {
    "r": 91,
    "g": 185,
    "b": 226
  },
  "hsl": {
    "h": 198.222,
    "s": 69.948,
    "l": 62.157
  },
  "oklch": {
    "l": 0.74466,
    "c": 0.10658,
    "h": 229.1
  },
  "luminance": 0.42413
}

Semantic roles & 50–950 ramp

primary

#5BB9E2

secondary

#E5C3B4

accent

#4D14D2

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB9E2

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

Preview Lab → · Contrast checker → · Palette generator →