#5BB1CF#5BB1CF

#5BB1CF is a light, moderate cyan. Relative luminance 0.382; OKLCH L 71.8% C 0.094 H 223.3°. Best body text is #000000 at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#5BB1CF
RGB	rgb(91, 177, 207)
HSL	hsl(196, 55%, 58%)
HSV	hsv(196, 56%, 81%)
CMYK	cmyk(56%, 14.5%, 0%, 18.8%)
CIE-LAB	lab(68.15, -17.44, -23.10)
CIE-LCH	lch(68.15, 28.94, 232.95°)
OKLab	oklab(71.84% -0.0681 -0.0642)
OKLCH	oklch(71.84% 0.094 223.3)
XYZ	xyz(31.2946, 38.1705, 64.7378)
Luminance	0.3817 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB1CF #CF795B

analogous

#5BCFB3 #5BB1CF #5B77CF

triadic

#5BB1CF #CF5BB1 #B1CF5B

tetradic

#5BB1CF #B35BCF #CF795B #77CF5B

square

#5BB1CF #B35BCF #CF795B #77CF5B

split-complementary

#5BB1CF #CF5B77 #CFB35B

monochromatic

#286F88 #3696B7 #5BB1CF #8AC8DD #BADEEB

Accessibility & contrast

On white

2.43

#5BB1CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.63

#5BB1CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB1CF

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB1CF	#FFFFFF	#000000	##000000
##5BB1CF	1.00	2.43	8.63	8.63
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.63	21.00	1.00	1.00
##000000	8.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0ADD1

Deuteranopia (green-blind)

#8FA1CF

Tritanopia (blue-blind)

#00BABB

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #5bb1cf;
/* rgb */ color: rgb(91, 177, 207);
/* oklch */ color: oklch(71.8% 0.094 223.3);

Tailwind

colors: {
  custom: {
    50: '#92c8dd',
    500: '#5bb1cf',
    950: '#000000',
  },
}

SCSS

$custom: #5bb1cf;
$custom-light: #92c8dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb1cf",
  "rgb": {
    "r": 91,
    "g": 177,
    "b": 207
  },
  "hsl": {
    "h": 195.517,
    "s": 54.717,
    "l": 58.431
  },
  "oklch": {
    "l": 0.71836,
    "c": 0.09355,
    "h": 223.3
  },
  "luminance": 0.38173
}

Semantic roles & 50–950 ramp

primary

#5BB1CF

secondary

#DAB8AC

accent

#704ADE

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB1CF

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

Preview Lab → · Contrast checker → · Palette generator →