#5BB1D7#5BB1D7

#5BB1D7 is a light, moderate cyan. Relative luminance 0.386; OKLCH L 72.2% C 0.100 H 229.2°. Best body text is #000000 at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#5BB1D7
RGB	rgb(91, 177, 215)
HSL	hsl(198, 61%, 60%)
HSV	hsv(198, 58%, 84%)
CMYK	cmyk(57.7%, 17.7%, 0%, 15.7%)
CIE-LAB	lab(68.44, -15.05, -27.04)
CIE-LCH	lch(68.44, 30.95, 240.90°)
OKLab	oklab(72.17% -0.0651 -0.0754)
OKLCH	oklch(72.17% 0.1 229.2)
XYZ	xyz(32.2976, 38.5717, 70.0198)
Luminance	0.3857 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB1D7 #D7815B

analogous

#5BD7BF #5BB1D7 #5B73D7

triadic

#5BB1D7 #D75BB1 #B1D75B

tetradic

#5BB1D7 #BF5BD7 #D7815B #73D75B

square

#5BB1D7 #BF5BD7 #D7815B #73D75B

split-complementary

#5BB1D7 #D75B73 #D7BF5B

monochromatic

#247194 #3097C5 #5BB1D7 #8CC8E3 #BDE0EF

Accessibility & contrast

On white

2.41

#5BB1D7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.71

#5BB1D7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB1D7

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB1D7	#FFFFFF	#000000	##000000
##5BB1D7	1.00	2.41	8.71	8.71
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.71	21.00	1.00	1.00
##000000	8.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DAED9

Deuteranopia (green-blind)

#8CA1D7

Tritanopia (blue-blind)

#00BCBD

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #5bb1d7;
/* rgb */ color: rgb(91, 177, 215);
/* oklch */ color: oklch(72.2% 0.100 229.2);

Tailwind

colors: {
  custom: {
    50: '#93c8e3',
    500: '#5bb1d7',
    950: '#000000',
  },
}

SCSS

$custom: #5bb1d7;
$custom-light: #93c8e3;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb1d7",
  "rgb": {
    "r": 91,
    "g": 177,
    "b": 215
  },
  "hsl": {
    "h": 198.387,
    "s": 60.784,
    "l": 60
  },
  "oklch": {
    "l": 0.72168,
    "c": 0.09961,
    "h": 229.2
  },
  "luminance": 0.38575
}

Semantic roles & 50–950 ramp

primary

#5BB1D7

secondary

#DFBEAF

accent

#7544E4

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB1D7

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

Preview Lab → · Contrast checker → · Palette generator →