#5BB0E4#5BB0E4

#5BB0E4 is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.5% C 0.112 H 237.9°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#5BB0E4
RGB	rgb(91, 176, 228)
HSL	hsl(203, 72%, 63%)
HSV	hsv(203, 60%, 89%)
CMYK	cmyk(60.1%, 22.8%, 0%, 10.6%)
CIE-LAB	lab(68.66, -10.54, -33.83)
CIE-LCH	lch(68.66, 35.43, 252.70°)
OKLab	oklab(72.51% -0.0595 -0.0948)
OKLCH	oklch(72.51% 0.112 237.9)
XYZ	xyz(33.8380, 38.8730, 79.1037)
Luminance	0.3888 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB0E4 #E48F5B

analogous

#5BE4D4 #5BB0E4 #5B6BE4

triadic

#5BB0E4 #E45BB0 #B0E45B

tetradic

#5BB0E4 #D45BE4 #E48F5B #6BE45B

square

#5BB0E4 #D45BE4 #E48F5B #6BE45B

split-complementary

#5BB0E4 #E45B6B #E4D45B

monochromatic

#1C73A9 #2697DB #5BB0E4 #90C9ED #C4E3F5

Accessibility & contrast

On white

2.39

#5BB0E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#5BB0E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB0E4

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB0E4	#FFFFFF	#000000	##000000
##5BB0E4	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98AFE6

Deuteranopia (green-blind)

#85A1E3

Tritanopia (blue-blind)

#00BDC2

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #5bb0e4;
/* rgb */ color: rgb(91, 176, 228);
/* oklch */ color: oklch(72.5% 0.112 237.9);

Tailwind

colors: {
  custom: {
    50: '#95c7ec',
    500: '#5bb0e4',
    950: '#000000',
  },
}

SCSS

$custom: #5bb0e4;
$custom-light: #95c7ec;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb0e4",
  "rgb": {
    "r": 91,
    "g": 176,
    "b": 228
  },
  "hsl": {
    "h": 202.774,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.72509,
    "c": 0.11193,
    "h": 237.9
  },
  "luminance": 0.38876
}

Semantic roles & 50–950 ramp

primary

#5BB0E4

secondary

#E6C7B4

accent

#5B12D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB0E4

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

Preview Lab → · Contrast checker → · Palette generator →