#5BB9E1#5BB9E1

#5BB9E1 is a light, moderate cyan. Relative luminance 0.424; OKLCH L 74.4% C 0.106 H 228.5°. Best body text is #000000 at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#5BB9E1
RGB	rgb(91, 185, 225)
HSL	hsl(198, 69%, 62%)
HSV	hsv(198, 60%, 88%)
CMYK	cmyk(59.6%, 17.8%, 0%, 11.8%)
CIE-LAB	lab(71.11, -16.27, -28.40)
CIE-LCH	lch(71.11, 32.73, 240.20°)
OKLab	oklab(74.42% -0.0701 -0.0792)
OKLCH	oklch(74.42% 0.106 228.5)
XYZ	xyz(35.2487, 42.3549, 77.5373)
Luminance	0.4236 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB9E1 #E1835B

analogous

#5BE1C6 #5BB9E1 #5B76E1

triadic

#5BB9E1 #E15BB9 #B9E15B

tetradic

#5BB9E1 #C65BE1 #E1835B #76E15B

square

#5BB9E1 #C65BE1 #E1835B #76E15B

split-complementary

#5BB9E1 #E15B76 #E1C65B

monochromatic

#1E7CA4 #27A3D7 #5BB9E1 #8FCFEA #C2E5F4

Accessibility & contrast

On white

2.22

#5BB9E1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.47

#5BB9E1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB9E1

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB9E1	#FFFFFF	#000000	##000000
##5BB9E1	1.00	2.22	9.47	9.47
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.47	21.00	1.00	1.00
##000000	9.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B6E3

Deuteranopia (green-blind)

#91A8E0

Tritanopia (blue-blind)

#00C4C6

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #5bb9e1;
/* rgb */ color: rgb(91, 185, 225);
/* oklch */ color: oklch(74.4% 0.106 228.5);

Tailwind

colors: {
  custom: {
    50: '#95ceea',
    500: '#5bb9e1',
    950: '#000000',
  },
}

SCSS

$custom: #5bb9e1;
$custom-light: #95ceea;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb9e1",
  "rgb": {
    "r": 91,
    "g": 185,
    "b": 225
  },
  "hsl": {
    "h": 197.91,
    "s": 69.072,
    "l": 61.961
  },
  "oklch": {
    "l": 0.74424,
    "c": 0.10578,
    "h": 228.5
  },
  "luminance": 0.42358
}

Semantic roles & 50–950 ramp

primary

#5BB9E1

secondary

#E5C2B3

accent

#4D14D1

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB9E1

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

Preview Lab → · Contrast checker → · Palette generator →