#5BB8EF#5BB8EF

#5BB8EF is a light, moderate cyan. Relative luminance 0.427; OKLCH L 74.8% C 0.119 H 237.3°. Best body text is #000000 at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#5BB8EF
RGB	rgb(91, 184, 239)
HSL	hsl(202, 82%, 65%)
HSV	hsv(202, 62%, 94%)
CMYK	cmyk(61.9%, 23%, 0%, 6.3%)
CIE-LAB	lab(71.37, -11.43, -35.61)
CIE-LCH	lch(71.37, 37.40, 252.20°)
OKLab	oklab(74.81% -0.0642 -0.0999)
OKLCH	oklch(74.81% 0.119 237.3)
XYZ	xyz(37.0289, 42.7334, 87.9416)
Luminance	0.4274 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB8EF #EF925B

analogous

#5BEFDC #5BB8EF #5B6EEF

triadic

#5BB8EF #EF5BB8 #B8EF5B

tetradic

#5BB8EF #DC5BEF #EF925B #6EEF5B

square

#5BB8EF #DC5BEF #EF925B #6EEF5B

split-complementary

#5BB8EF #EF5B6E #EFDC5B

monochromatic

#127EBD #23A0EA #5BB8EF #93D0F4 #CBE8FA

Accessibility & contrast

On white

2.20

#5BB8EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.55

#5BB8EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB8EF

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB8EF	#FFFFFF	#000000	##000000
##5BB8EF	1.00	2.20	9.55	9.55
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.55	21.00	1.00	1.00
##000000	9.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB7F2

Deuteranopia (green-blind)

#8AA8EE

Tritanopia (blue-blind)

#00C6CB

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #5bb8ef;
/* rgb */ color: rgb(91, 184, 239);
/* oklch */ color: oklch(74.8% 0.119 237.3);

Tailwind

colors: {
  custom: {
    50: '#96cdf4',
    500: '#5bb8ef',
    950: '#000000',
  },
}

SCSS

$custom: #5bb8ef;
$custom-light: #96cdf4;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb8ef",
  "rgb": {
    "r": 91,
    "g": 184,
    "b": 239
  },
  "hsl": {
    "h": 202.297,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.74809,
    "c": 0.11873,
    "h": 237.3
  },
  "luminance": 0.42737
}

Semantic roles & 50–950 ramp

primary

#5BB8EF

secondary

#ECCCBA

accent

#5707DF

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0F1317

muted

#7E8285

Preview Lab

Preview with #5BB8EF

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

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