#5BB9EA#5BB9EA

#5BB9EA is a light, moderate cyan. Relative luminance 0.429; OKLCH L 74.8% C 0.114 H 233.9°. Best body text is #000000 at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#5BB9EA
RGB	rgb(91, 185, 234)
HSL	hsl(201, 77%, 64%)
HSV	hsv(201, 61%, 92%)
CMYK	cmyk(61.1%, 20.9%, 0%, 8.2%)
CIE-LAB	lab(71.46, -13.52, -32.77)
CIE-LCH	lch(71.46, 35.44, 247.58°)
OKLab	oklab(74.81% -0.0669 -0.0917)
OKLCH	oklch(74.81% 0.114 233.9)
XYZ	xyz(36.5089, 42.8590, 84.1745)
Luminance	0.4286 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB9EA #EA8C5B

analogous

#5BEAD3 #5BB9EA #5B71EA

triadic

#5BB9EA #EA5BB9 #B9EA5B

tetradic

#5BB9EA #D35BEA #EA8C5B #71EA5B

square

#5BB9EA #D35BEA #EA8C5B #71EA5B

split-complementary

#5BB9EA #EA5B71 #EAD35B

monochromatic

#177EB4 #25A2E3 #5BB9EA #91D0F1 #C8E7F8

Accessibility & contrast

On white

2.19

#5BB9EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.57

#5BB9EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB9EA

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB9EA	#FFFFFF	#000000	##000000
##5BB9EA	1.00	2.19	9.57	9.57
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.57	21.00	1.00	1.00
##000000	9.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B7EC

Deuteranopia (green-blind)

#8DA9E9

Tritanopia (blue-blind)

#00C6C9

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #5bb9ea;
/* rgb */ color: rgb(91, 185, 234);
/* oklch */ color: oklch(74.8% 0.114 233.9);

Tailwind

colors: {
  custom: {
    50: '#96cef1',
    500: '#5bb9ea',
    950: '#000000',
  },
}

SCSS

$custom: #5bb9ea;
$custom-light: #96cef1;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb9ea",
  "rgb": {
    "r": 91,
    "g": 185,
    "b": 234
  },
  "hsl": {
    "h": 200.559,
    "s": 77.297,
    "l": 63.725
  },
  "oklch": {
    "l": 0.74812,
    "c": 0.11352,
    "h": 233.9
  },
  "luminance": 0.42863
}

Semantic roles & 50–950 ramp

primary

#5BB9EA

secondary

#EAC8B7

accent

#520CDA

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB9EA

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

Preview Lab → · Contrast checker → · Palette generator →