#5BB1D3#5BB1D3

#5BB1D3 is a light, moderate cyan. Relative luminance 0.384; OKLCH L 72.0% C 0.096 H 226.3°. Best body text is #000000 at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#5BB1D3
RGB	rgb(91, 177, 211)
HSL	hsl(197, 58%, 59%)
HSV	hsv(197, 57%, 83%)
CMYK	cmyk(56.9%, 16.1%, 0%, 17.3%)
CIE-LAB	lab(68.29, -16.25, -25.07)
CIE-LCH	lch(68.29, 29.88, 237.05°)
OKLab	oklab(72% -0.0666 -0.0698)
OKLCH	oklch(72% 0.096 226.3)
XYZ	xyz(31.7899, 38.3686, 67.3460)
Luminance	0.3837 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB1D3 #D37D5B

analogous

#5BD3B9 #5BB1D3 #5B75D3

triadic

#5BB1D3 #D35BB1 #B1D35B

tetradic

#5BB1D3 #B95BD3 #D37D5B #75D35B

square

#5BB1D3 #B95BD3 #D37D5B #75D35B

split-complementary

#5BB1D3 #D35B75 #D3B95B

monochromatic

#26708E #3397BE #5BB1D3 #8BC8E0 #BCDFED

Accessibility & contrast

On white

2.42

#5BB1D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.67

#5BB1D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB1D3

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB1D3	#FFFFFF	#000000	##000000
##5BB1D3	1.00	2.42	8.67	8.67
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.67	21.00	1.00	1.00
##000000	8.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FAED5

Deuteranopia (green-blind)

#8DA1D3

Tritanopia (blue-blind)

#00BBBC

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #5bb1d3;
/* rgb */ color: rgb(91, 177, 211);
/* oklch */ color: oklch(72.0% 0.096 226.3);

Tailwind

colors: {
  custom: {
    50: '#93c8e0',
    500: '#5bb1d3',
    950: '#000000',
  },
}

SCSS

$custom: #5bb1d3;
$custom-light: #93c8e0;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb1d3",
  "rgb": {
    "r": 91,
    "g": 177,
    "b": 211
  },
  "hsl": {
    "h": 197,
    "s": 57.692,
    "l": 59.216
  },
  "oklch": {
    "l": 0.72001,
    "c": 0.09644,
    "h": 226.3
  },
  "luminance": 0.38372
}

Semantic roles & 50–950 ramp

primary

#5BB1D3

secondary

#DCBBAD

accent

#7347E1

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB1D3

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

Preview Lab → · Contrast checker → · Palette generator →