#5BBBDD#5BBBDD

#5BBBDD is a light, moderate cyan. Relative luminance 0.430; OKLCH L 74.7% C 0.102 H 224.0°. Best body text is #000000 at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBDD
RGB	rgb(91, 187, 221)
HSL	hsl(196, 66%, 61%)
HSV	hsv(196, 59%, 87%)
CMYK	cmyk(58.8%, 15.4%, 0%, 13.3%)
CIE-LAB	lab(71.54, -18.51, -25.57)
CIE-LCH	lch(71.54, 31.56, 234.09°)
OKLab	oklab(74.72% -0.0737 -0.0711)
OKLCH	oklch(74.72% 0.102 224)
XYZ	xyz(35.1307, 42.9818, 74.8375)
Luminance	0.4299 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBDD #DD7D5B

analogous

#5BDDBE #5BBBDD #5B7ADD

triadic

#5BBBDD #DD5BBB #BBDD5B

tetradic

#5BBBDD #BE5BDD #DD7D5B #7ADD5B

square

#5BBBDD #BE5BDD #DD7D5B #7ADD5B

split-complementary

#5BBBDD #DD5B7A #DDBE5B

monochromatic

#217C9D #2BA5D0 #5BBBDD #8ED0E8 #C0E5F2

Accessibility & contrast

On white

2.19

#5BBBDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.60

#5BBBDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBDD

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBDD	#FFFFFF	#000000	##000000
##5BBBDD	1.00	2.19	9.60	9.60
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.60	21.00	1.00	1.00
##000000	9.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B7DF

Deuteranopia (green-blind)

#95A9DD

Tritanopia (blue-blind)

#00C5C6

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #5bbbdd;
/* rgb */ color: rgb(91, 187, 221);
/* oklch */ color: oklch(74.7% 0.102 224.0);

Tailwind

colors: {
  custom: {
    50: '#94cfe7',
    500: '#5bbbdd',
    950: '#000000',
  },
}

SCSS

$custom: #5bbbdd;
$custom-light: #94cfe7;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbbdd",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 221
  },
  "hsl": {
    "h": 195.692,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.74716,
    "c": 0.10243,
    "h": 224
  },
  "luminance": 0.42985
}

Semantic roles & 50–950 ramp

primary

#5BBBDD

secondary

#E2BEB1

accent

#4718CE

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BBBDD

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

Preview Lab → · Contrast checker → · Palette generator →