#5BB9E7#5BB9E7

#5BB9E7 is a light, moderate cyan. Relative luminance 0.427; OKLCH L 74.7% C 0.111 H 232.2°. Best body text is #000000 at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#5BB9E7
RGB	rgb(91, 185, 231)
HSL	hsl(200, 74%, 63%)
HSV	hsv(200, 61%, 91%)
CMYK	cmyk(60.6%, 19.9%, 0%, 9.4%)
CIE-LAB	lab(71.34, -14.44, -31.32)
CIE-LCH	lch(71.34, 34.48, 245.24°)
OKLab	oklab(74.68% -0.068 -0.0875)
OKLCH	oklch(74.68% 0.111 232.2)
XYZ	xyz(36.0816, 42.6880, 81.9239)
Luminance	0.4269 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB9E7 #E7895B

analogous

#5BE7CF #5BB9E7 #5B73E7

triadic

#5BB9E7 #E75BB9 #B9E75B

tetradic

#5BB9E7 #CF5BE7 #E7895B #73E75B

square

#5BB9E7 #CF5BE7 #E7895B #73E75B

split-complementary

#5BB9E7 #E75B73 #E7CF5B

monochromatic

#197DAE #26A2DF #5BB9E7 #90D0EF #C6E7F7

Accessibility & contrast

On white

2.20

#5BB9E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.54

#5BB9E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB9E7

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB9E7	#FFFFFF	#000000	##000000
##5BB9E7	1.00	2.20	9.54	9.54
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.54	21.00	1.00	1.00
##000000	9.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B7E9

Deuteranopia (green-blind)

#8FA8E6

Tritanopia (blue-blind)

#00C5C8

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #5bb9e7;
/* rgb */ color: rgb(91, 185, 231);
/* oklch */ color: oklch(74.7% 0.111 232.2);

Tailwind

colors: {
  custom: {
    50: '#95ceee',
    500: '#5bb9e7',
    950: '#000000',
  },
}

SCSS

$custom: #5bb9e7;
$custom-light: #95ceee;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb9e7",
  "rgb": {
    "r": 91,
    "g": 185,
    "b": 231
  },
  "hsl": {
    "h": 199.714,
    "s": 74.468,
    "l": 63.137
  },
  "oklch": {
    "l": 0.74681,
    "c": 0.11083,
    "h": 232.2
  },
  "luminance": 0.42692
}

Semantic roles & 50–950 ramp

primary

#5BB9E7

secondary

#E8C6B6

accent

#510FD7

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB9E7

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

Preview Lab → · Contrast checker → · Palette generator →