#5BB7E9#5BB7E9

#5BB7E9 is a light, moderate cyan. Relative luminance 0.420; OKLCH L 74.3% C 0.113 H 234.9°. Best body text is #000000 at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#5BB7E9
RGB	rgb(91, 183, 233)
HSL	hsl(201, 76%, 64%)
HSV	hsv(201, 61%, 91%)
CMYK	cmyk(60.9%, 21.5%, 0%, 8.6%)
CIE-LAB	lab(70.85, -12.76, -33.16)
CIE-LCH	lch(70.85, 35.53, 248.95°)
OKLab	oklab(74.32% -0.0652 -0.0928)
OKLCH	oklch(74.32% 0.113 234.9)
XYZ	xyz(35.9502, 41.9708, 83.2816)
Luminance	0.4197 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB7E9 #E98D5B

analogous

#5BE9D4 #5BB7E9 #5B70E9

triadic

#5BB7E9 #E95BB7 #B7E95B

tetradic

#5BB7E9 #D45BE9 #E98D5B #70E95B

square

#5BB7E9 #D45BE9 #E98D5B #70E95B

split-complementary

#5BB7E9 #E95B70 #E9D45B

monochromatic

#187CB2 #259FE2 #5BB7E9 #91CFF0 #C7E6F7

Accessibility & contrast

On white

2.24

#5BB7E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.39

#5BB7E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB7E9

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB7E9	#FFFFFF	#000000	##000000
##5BB7E9	1.00	2.24	9.39	9.39
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.39	21.00	1.00	1.00
##000000	9.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB6EB

Deuteranopia (green-blind)

#8BA7E8

Tritanopia (blue-blind)

#00C4C8

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #5bb7e9;
/* rgb */ color: rgb(91, 183, 233);
/* oklch */ color: oklch(74.3% 0.113 234.9);

Tailwind

colors: {
  custom: {
    50: '#95ccf0',
    500: '#5bb7e9',
    950: '#000000',
  },
}

SCSS

$custom: #5bb7e9;
$custom-light: #95ccf0;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb7e9",
  "rgb": {
    "r": 91,
    "g": 183,
    "b": 233
  },
  "hsl": {
    "h": 201.127,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.74315,
    "c": 0.11344,
    "h": 234.9
  },
  "luminance": 0.41974
}

Semantic roles & 50–950 ramp

primary

#5BB7E9

secondary

#E9C8B7

accent

#550DD9

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB7E9

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

Preview Lab → · Contrast checker → · Palette generator →