#5BB8FC#5BB8FC

#5BB8FC is a light, vivid cyan. Relative luminance 0.435; OKLCH L 75.4% C 0.132 H 243.0°. Best body text is #000000 at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#5BB8FC
RGB	rgb(91, 184, 252)
HSL	hsl(205, 96%, 67%)
HSV	hsv(205, 64%, 99%)
CMYK	cmyk(63.9%, 27%, 0%, 1.2%)
CIE-LAB	lab(71.91, -7.33, -41.80)
CIE-LCH	lch(71.91, 42.44, 260.06°)
OKLab	oklab(75.41% -0.0601 -0.1177)
OKLCH	oklch(75.41% 0.132 243)
XYZ	xyz(39.0189, 43.5294, 98.4223)
Luminance	0.4353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB8FC #FC9F5B

analogous

#5BFCF0 #5BB8FC #5B67FC

triadic

#5BB8FC #FC5BB8 #B8FC5B

tetradic

#5BB8FC #F05BFC #FC9F5B #67FC5B

square

#5BB8FC #F05BFC #FC9F5B #67FC5B

split-complementary

#5BB8FC #FC5B67 #FCF05B

monochromatic

#047FD9 #1F9EFB #5BB8FC #97D2FD #D3ECFE

Accessibility & contrast

On white

2.16

#5BB8FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.71

#5BB8FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB8FC

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB8FC	#FFFFFF	#000000	##000000
##5BB8FC	1.00	2.16	9.71	9.71
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.71	21.00	1.00	1.00
##000000	9.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB9FF

Deuteranopia (green-blind)

#84A9FB

Tritanopia (blue-blind)

#00C9D0

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #5bb8fc;
/* rgb */ color: rgb(91, 184, 252);
/* oklch */ color: oklch(75.4% 0.132 243.0);

Tailwind

colors: {
  custom: {
    50: '#98cdfd',
    500: '#5bb8fc',
    950: '#000000',
  },
}

SCSS

$custom: #5bb8fc;
$custom-light: #98cdfd;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb8fc",
  "rgb": {
    "r": 91,
    "g": 184,
    "b": 252
  },
  "hsl": {
    "h": 205.342,
    "s": 96.407,
    "l": 67.255
  },
  "oklch": {
    "l": 0.75414,
    "c": 0.13219,
    "h": 243
  },
  "luminance": 0.43533
}

Semantic roles & 50–950 ramp

primary

#5BB8FC

secondary

#F3D5C0

accent

#6100E6

background

#FAFCFF

surface

#F3F8FF

border

#CDD1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #5BB8FC

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

Preview Lab → · Contrast checker → · Palette generator →