#5BBBDC#5BBBDC

#5BBBDC is a light, moderate cyan. Relative luminance 0.429; OKLCH L 74.7% C 0.102 H 223.3°. Best body text is #000000 at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBDC
RGB	rgb(91, 187, 220)
HSL	hsl(195, 65%, 61%)
HSV	hsv(195, 59%, 86%)
CMYK	cmyk(58.6%, 15%, 0%, 13.7%)
CIE-LAB	lab(71.51, -18.81, -25.08)
CIE-LCH	lch(71.51, 31.35, 233.13°)
OKLab	oklab(74.68% -0.074 -0.0698)
OKLCH	oklch(74.68% 0.102 223.3)
XYZ	xyz(34.9979, 42.9287, 74.1380)
Luminance	0.4293 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBDC #DC7C5B

analogous

#5BDCBC #5BBBDC #5B7ADC

triadic

#5BBBDC #DC5BBB #BBDC5B

tetradic

#5BBBDC #BC5BDC #DC7C5B #7ADC5B

square

#5BBBDC #BC5BDC #DC7C5B #7ADC5B

split-complementary

#5BBBDC #DC5B7A #DCBC5B

monochromatic

#217C9B #2CA4CE #5BBBDC #8DD0E7 #C0E5F2

Accessibility & contrast

On white

2.19

#5BBBDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.59

#5BBBDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBDC

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBDC	#FFFFFF	#000000	##000000
##5BBBDC	1.00	2.19	9.59	9.59
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.59	21.00	1.00	1.00
##000000	9.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B7DE

Deuteranopia (green-blind)

#96A9DC

Tritanopia (blue-blind)

#00C5C6

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #5bbbdc;
/* rgb */ color: rgb(91, 187, 220);
/* oklch */ color: oklch(74.7% 0.102 223.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#5bbbdc",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 220
  },
  "hsl": {
    "h": 195.349,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.74676,
    "c": 0.10173,
    "h": 223.3
  },
  "luminance": 0.42932
}

Semantic roles & 50–950 ramp

primary

#5BBBDC

secondary

#E2BEB1

accent

#4719CD

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BBBDC

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

Preview Lab → · Contrast checker → · Palette generator →