#5BB8DF#5BB8DF

#5BB8DF is a light, moderate cyan. Relative luminance 0.418; OKLCH L 74.1% C 0.104 H 228.1°. Best body text is #000000 at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#5BB8DF
RGB	rgb(91, 184, 223)
HSL	hsl(198, 67%, 62%)
HSV	hsv(198, 59%, 87%)
CMYK	cmyk(59.2%, 17.5%, 0%, 12.5%)
CIE-LAB	lab(70.75, -16.34, -27.87)
CIE-LCH	lch(70.75, 32.31, 239.61°)
OKLab	oklab(74.11% -0.0698 -0.0777)
OKLCH	oklch(74.11% 0.104 228.1)
XYZ	xyz(34.7690, 41.8295, 76.0393)
Luminance	0.4183 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB8DF #DF825B

analogous

#5BDFC4 #5BB8DF #5B76DF

triadic

#5BB8DF #DF5BB8 #B8DF5B

tetradic

#5BB8DF #C45BDF #DF825B #76DF5B

square

#5BB8DF #C45BDF #DF825B #76DF5B

split-complementary

#5BB8DF #DF5B76 #DFC45B

monochromatic

#1F7AA0 #29A1D4 #5BB8DF #8ECEE9 #C1E4F3

Accessibility & contrast

On white

2.24

#5BB8DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.37

#5BB8DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB8DF

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB8DF	#FFFFFF	#000000	##000000
##5BB8DF	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)

#A4B5E1

Deuteranopia (green-blind)

#91A7DF

Tritanopia (blue-blind)

#00C3C5

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #5bb8df;
/* rgb */ color: rgb(91, 184, 223);
/* oklch */ color: oklch(74.1% 0.104 228.1);

Tailwind

colors: {
  custom: {
    50: '#94cde9',
    500: '#5bb8df',
    950: '#000000',
  },
}

SCSS

$custom: #5bb8df;
$custom-light: #94cde9;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb8df",
  "rgb": {
    "r": 91,
    "g": 184,
    "b": 223
  },
  "hsl": {
    "h": 197.727,
    "s": 67.347,
    "l": 61.569
  },
  "oklch": {
    "l": 0.74111,
    "c": 0.10441,
    "h": 228.1
  },
  "luminance": 0.41833
}

Semantic roles & 50–950 ramp

primary

#5BB8DF

secondary

#E3C1B2

accent

#4D16CF

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB8DF

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

Preview Lab → · Contrast checker → · Palette generator →