#5BB9EC#5BB9EC

#5BB9EC is a light, moderate cyan. Relative luminance 0.430; OKLCH L 74.9% C 0.115 H 235.0°. Best body text is #000000 at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#5BB9EC
RGB	rgb(91, 185, 236)
HSL	hsl(201, 79%, 64%)
HSV	hsv(201, 61%, 93%)
CMYK	cmyk(61.4%, 21.6%, 0%, 7.5%)
CIE-LAB	lab(71.54, -12.90, -33.73)
CIE-LCH	lch(71.54, 36.11, 249.07°)
OKLab	oklab(74.9% -0.0662 -0.0945)
OKLCH	oklch(74.9% 0.115 235)
XYZ	xyz(36.7979, 42.9745, 85.6963)
Luminance	0.4298 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB9EC #EC8E5B

analogous

#5BECD6 #5BB9EC #5B71EC

triadic

#5BB9EC #EC5BB9 #B9EC5B

tetradic

#5BB9EC #D65BEC #EC8E5B #71EC5B

square

#5BB9EC #D65BEC #EC8E5B #71EC5B

split-complementary

#5BB9EC #EC5B71 #ECD65B

monochromatic

#157EB7 #24A2E6 #5BB9EC #92D0F2 #C9E8F9

Accessibility & contrast

On white

2.19

#5BB9EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.60

#5BB9EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB9EC

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB9EC	#FFFFFF	#000000	##000000
##5BB9EC	1.00	2.19	9.60	9.60
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.60	21.00	1.00	1.00
##000000	9.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B8EE

Deuteranopia (green-blind)

#8DA9EB

Tritanopia (blue-blind)

#00C6CA

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #5bb9ec;
/* rgb */ color: rgb(91, 185, 236);
/* oklch */ color: oklch(74.9% 0.115 235.0);

Tailwind

colors: {
  custom: {
    50: '#96cef2',
    500: '#5bb9ec',
    950: '#000000',
  },
}

SCSS

$custom: #5bb9ec;
$custom-light: #96cef2;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb9ec",
  "rgb": {
    "r": 91,
    "g": 185,
    "b": 236
  },
  "hsl": {
    "h": 201.103,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.749,
    "c": 0.11538,
    "h": 235
  },
  "luminance": 0.42978
}

Semantic roles & 50–950 ramp

primary

#5BB9EC

secondary

#EBCAB8

accent

#540ADC

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #5BB9EC

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

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