#5BB4EA#5BB4EA

#5BB4EA is a light, moderate cyan. Relative luminance 0.408; OKLCH L 73.7% C 0.116 H 237.8°. Best body text is #000000 at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#5BB4EA
RGB	rgb(91, 180, 234)
HSL	hsl(203, 77%, 64%)
HSV	hsv(203, 61%, 92%)
CMYK	cmyk(61.1%, 23.1%, 0%, 8.2%)
CIE-LAB	lab(70.04, -10.84, -34.97)
CIE-LCH	lch(70.04, 36.61, 252.78°)
OKLab	oklab(73.68% -0.0617 -0.098)
OKLCH	oklch(73.68% 0.116 237.8)
XYZ	xyz(35.4813, 40.8037, 83.8320)
Luminance	0.4081 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB4EA #EA915B

analogous

#5BEAD8 #5BB4EA #5B6CEA

triadic

#5BB4EA #EA5BB4 #B4EA5B

tetradic

#5BB4EA #D85BEA #EA915B #6CEA5B

square

#5BB4EA #D85BEA #EA915B #6CEA5B

split-complementary

#5BB4EA #EA5B6C #EAD85B

monochromatic

#1778B4 #259BE3 #5BB4EA #91CDF1 #C8E6F8

Accessibility & contrast

On white

2.29

#5BB4EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.16

#5BB4EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB4EA

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB4EA	#FFFFFF	#000000	##000000
##5BB4EA	1.00	2.29	9.16	9.16
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.16	21.00	1.00	1.00
##000000	9.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB3ED

Deuteranopia (green-blind)

#87A5E9

Tritanopia (blue-blind)

#00C2C6

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #5bb4ea;
/* rgb */ color: rgb(91, 180, 234);
/* oklch */ color: oklch(73.7% 0.116 237.8);

Tailwind

colors: {
  custom: {
    50: '#95caf1',
    500: '#5bb4ea',
    950: '#000000',
  },
}

SCSS

$custom: #5bb4ea;
$custom-light: #95caf1;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb4ea",
  "rgb": {
    "r": 91,
    "g": 180,
    "b": 234
  },
  "hsl": {
    "h": 202.657,
    "s": 77.297,
    "l": 63.725
  },
  "oklch": {
    "l": 0.73683,
    "c": 0.11584,
    "h": 237.8
  },
  "luminance": 0.40807
}

Semantic roles & 50–950 ramp

primary

#5BB4EA

secondary

#EACAB7

accent

#5A0CDA

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB4EA

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

Preview Lab → · Contrast checker → · Palette generator →