#5BB3DC#5BB3DC

#5BB3DC is a light, moderate cyan. Relative luminance 0.396; OKLCH L 72.8% C 0.103 H 230.6°. Best body text is #000000 at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#5BB3DC
RGB	rgb(91, 179, 220)
HSL	hsl(199, 65%, 61%)
HSV	hsv(199, 59%, 86%)
CMYK	cmyk(58.6%, 18.6%, 0%, 13.7%)
CIE-LAB	lab(69.20, -14.61, -28.61)
CIE-LCH	lch(69.20, 32.12, 242.95°)
OKLab	oklab(72.84% -0.0655 -0.0798)
OKLCH	oklch(72.84% 0.103 230.6)
XYZ	xyz(33.3478, 39.6285, 73.5879)
Luminance	0.3963 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB3DC #DC845B

analogous

#5BDCC4 #5BB3DC #5B72DC

triadic

#5BB3DC #DC5BB3 #B3DC5B

tetradic

#5BB3DC #C45BDC #DC845B #72DC5B

square

#5BB3DC #C45BDC #DC845B #72DC5B

split-complementary

#5BB3DC #DC5B72 #DCC45B

monochromatic

#21759B #2C9ACE #5BB3DC #8DCAE7 #C0E2F2

Accessibility & contrast

On white

2.35

#5BB3DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.93

#5BB3DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB3DC

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB3DC	#FFFFFF	#000000	##000000
##5BB3DC	1.00	2.35	8.93	8.93
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.93	21.00	1.00	1.00
##000000	8.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB1DE

Deuteranopia (green-blind)

#8CA3DB

Tritanopia (blue-blind)

#00BEC0

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #5bb3dc;
/* rgb */ color: rgb(91, 179, 220);
/* oklch */ color: oklch(72.8% 0.103 230.6);

Tailwind

colors: {
  custom: {
    50: '#94c9e7',
    500: '#5bb3dc',
    950: '#000000',
  },
}

SCSS

$custom: #5bb3dc;
$custom-light: #94c9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb3dc",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 220
  },
  "hsl": {
    "h": 199.07,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.72839,
    "c": 0.10325,
    "h": 230.6
  },
  "luminance": 0.39632
}

Semantic roles & 50–950 ramp

primary

#5BB3DC

secondary

#E2C1B1

accent

#5219CD

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB3DC

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

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