#5BB5F5#5BB5F5

#5BB5F5 is a light, vivid cyan. Relative luminance 0.419; OKLCH L 74.4% C 0.127 H 242.1°. Best body text is #000000 at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#5BB5F5
RGB	rgb(91, 181, 245)
HSL	hsl(205, 89%, 66%)
HSV	hsv(205, 63%, 96%)
CMYK	cmyk(62.9%, 26.1%, 0%, 3.9%)
CIE-LAB	lab(70.77, -7.92, -39.80)
CIE-LCH	lch(70.77, 40.58, 258.75°)
OKLab	oklab(74.42% -0.0592 -0.112)
OKLCH	oklch(74.42% 0.127 242.1)
XYZ	xyz(37.3135, 41.8607, 92.4820)
Luminance	0.4186 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB5F5 #F59B5B

analogous

#5BF5E8 #5BB5F5 #5B68F5

triadic

#5BB5F5 #F55BB5 #B5F55B

tetradic

#5BB5F5 #E85BF5 #F59B5B #68F55B

square

#5BB5F5 #E85BF5 #F59B5B #68F55B

split-complementary

#5BB5F5 #F55B68 #F5E85B

monochromatic

#0C7BC9 #219BF1 #5BB5F5 #95CFF9 #CEE9FC

Accessibility & contrast

On white

2.24

#5BB5F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.37

#5BB5F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB5F5

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB5F5	#FFFFFF	#000000	##000000
##5BB5F5	1.00	2.24	9.37	9.37
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.37	21.00	1.00	1.00
##000000	9.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98B6F8

Deuteranopia (green-blind)

#83A6F4

Tritanopia (blue-blind)

#00C5CB

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #5bb5f5;
/* rgb */ color: rgb(91, 181, 245);
/* oklch */ color: oklch(74.4% 0.127 242.1);

Tailwind

colors: {
  custom: {
    50: '#97cbf8',
    500: '#5bb5f5',
    950: '#000000',
  },
}

SCSS

$custom: #5bb5f5;
$custom-light: #97cbf8;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb5f5",
  "rgb": {
    "r": 91,
    "g": 181,
    "b": 245
  },
  "hsl": {
    "h": 204.935,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.74416,
    "c": 0.12666,
    "h": 242.1
  },
  "luminance": 0.41864
}

Semantic roles & 50–950 ramp

primary

#5BB5F5

secondary

#EFD2BC

accent

#5F00E5

background

#F9FCFF

surface

#F2F8FF

border

#CCD1D7

text

#0F1317

muted

#7E8285

Preview Lab

Preview with #5BB5F5

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

Preview Lab → · Contrast checker → · Palette generator →