#5BB5D9#5BB5D9

#5BB5D9 is a light, moderate cyan. Relative luminance 0.403; OKLCH L 73.2% C 0.100 H 226.8°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#5BB5D9
RGB	rgb(91, 181, 217)
HSL	hsl(197, 62%, 60%)
HSV	hsv(197, 58%, 85%)
CMYK	cmyk(58.1%, 16.6%, 0%, 14.9%)
CIE-LAB	lab(69.67, -16.57, -26.26)
CIE-LCH	lch(69.67, 31.05, 237.75°)
OKLab	oklab(73.17% -0.0687 -0.0731)
OKLCH	oklch(73.17% 0.1 226.8)
XYZ	xyz(33.3578, 40.2785, 71.6488)
Luminance	0.4028 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB5D9 #D97F5B

analogous

#5BD9BE #5BB5D9 #5B76D9

triadic

#5BB5D9 #D95BB5 #B5D95B

tetradic

#5BB5D9 #BE5BD9 #D97F5B #76D95B

square

#5BB5D9 #BE5BD9 #D97F5B #76D95B

split-complementary

#5BB5D9 #D95B76 #D9BE5B

monochromatic

#237697 #2E9CC8 #5BB5D9 #8DCBE5 #BEE2F0

Accessibility & contrast

On white

2.32

#5BB5D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#5BB5D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB5D9

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB5D9	#FFFFFF	#000000	##000000
##5BB5D9	1.00	2.32	9.06	9.06
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.06	21.00	1.00	1.00
##000000	9.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B2DB

Deuteranopia (green-blind)

#90A4D9

Tritanopia (blue-blind)

#00C0C1

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #5bb5d9;
/* rgb */ color: rgb(91, 181, 217);
/* oklch */ color: oklch(73.2% 0.100 226.8);

Tailwind

colors: {
  custom: {
    50: '#94cbe4',
    500: '#5bb5d9',
    950: '#000000',
  },
}

SCSS

$custom: #5bb5d9;
$custom-light: #94cbe4;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb5d9",
  "rgb": {
    "r": 91,
    "g": 181,
    "b": 217
  },
  "hsl": {
    "h": 197.143,
    "s": 62.376,
    "l": 60.392
  },
  "oklch": {
    "l": 0.73171,
    "c": 0.10034,
    "h": 226.8
  },
  "luminance": 0.40282
}

Semantic roles & 50–950 ramp

primary

#5BB5D9

secondary

#E0BEB0

accent

#4D1BCA

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB5D9

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

Preview Lab → · Contrast checker → · Palette generator →