#5BB1DC#5BB1DC

#5BB1DC is a light, moderate cyan. Relative luminance 0.388; OKLCH L 72.4% C 0.104 H 232.4°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#5BB1DC
RGB	rgb(91, 177, 220)
HSL	hsl(200, 65%, 61%)
HSV	hsv(200, 59%, 86%)
CMYK	cmyk(58.6%, 19.5%, 0%, 13.7%)
CIE-LAB	lab(68.63, -13.54, -29.50)
CIE-LCH	lch(68.63, 32.45, 245.34°)
OKLab	oklab(72.38% -0.0633 -0.0824)
OKLCH	oklch(72.38% 0.104 232.4)
XYZ	xyz(32.9499, 38.8326, 73.4553)
Luminance	0.3884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB1DC #DC865B

analogous

#5BDCC6 #5BB1DC #5B70DC

triadic

#5BB1DC #DC5BB1 #B1DC5B

tetradic

#5BB1DC #C65BDC #DC865B #70DC5B

square

#5BB1DC #C65BDC #DC865B #70DC5B

split-complementary

#5BB1DC #DC5B70 #DCC65B

monochromatic

#21739B #2C98CE #5BB1DC #8DC9E7 #C0E1F2

Accessibility & contrast

On white

2.40

#5BB1DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.77

#5BB1DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB1DC

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB1DC	#FFFFFF	#000000	##000000
##5BB1DC	1.00	2.40	8.77	8.77
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.77	21.00	1.00	1.00
##000000	8.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CAFDE

Deuteranopia (green-blind)

#8AA2DB

Tritanopia (blue-blind)

#00BDBF

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #5bb1dc;
/* rgb */ color: rgb(91, 177, 220);
/* oklch */ color: oklch(72.4% 0.104 232.4);

Tailwind

colors: {
  custom: {
    50: '#94c8e7',
    500: '#5bb1dc',
    950: '#000000',
  },
}

SCSS

$custom: #5bb1dc;
$custom-light: #94c8e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb1dc",
  "rgb": {
    "r": 91,
    "g": 177,
    "b": 220
  },
  "hsl": {
    "h": 200,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.72382,
    "c": 0.10389,
    "h": 232.4
  },
  "luminance": 0.38836
}

Semantic roles & 50–950 ramp

primary

#5BB1DC

secondary

#E2C1B1

accent

#5519CD

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB1DC

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

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