#5BB5DF#5BB5DF

#5BB5DF is a light, moderate cyan. Relative luminance 0.406; OKLCH L 73.4% C 0.105 H 230.8°. Best body text is #000000 at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#5BB5DF
RGB	rgb(91, 181, 223)
HSL	hsl(199, 67%, 62%)
HSV	hsv(199, 59%, 87%)
CMYK	cmyk(59.2%, 18.8%, 0%, 12.5%)
CIE-LAB	lab(69.89, -14.76, -29.19)
CIE-LCH	lch(69.89, 32.71, 243.18°)
OKLab	oklab(73.43% -0.0665 -0.0815)
OKLCH	oklch(73.43% 0.105 230.8)
XYZ	xyz(34.1524, 40.5963, 75.8338)
Luminance	0.4060 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB5DF #DF855B

analogous

#5BDFC7 #5BB5DF #5B73DF

triadic

#5BB5DF #DF5BB5 #B5DF5B

tetradic

#5BB5DF #C75BDF #DF855B #73DF5B

square

#5BB5DF #C75BDF #DF855B #73DF5B

split-complementary

#5BB5DF #DF5B73 #DFC75B

monochromatic

#1F77A0 #299DD4 #5BB5DF #8ECCE9 #C1E3F3

Accessibility & contrast

On white

2.30

#5BB5DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.12

#5BB5DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB5DF

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB5DF	#FFFFFF	#000000	##000000
##5BB5DF	1.00	2.30	9.12	9.12
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.12	21.00	1.00	1.00
##000000	9.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B3E1

Deuteranopia (green-blind)

#8DA5DE

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #5bb5df;
/* rgb */ color: rgb(91, 181, 223);
/* oklch */ color: oklch(73.4% 0.105 230.8);

Tailwind

colors: {
  custom: {
    50: '#94cbe9',
    500: '#5bb5df',
    950: '#000000',
  },
}

SCSS

$custom: #5bb5df;
$custom-light: #94cbe9;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb5df",
  "rgb": {
    "r": 91,
    "g": 181,
    "b": 223
  },
  "hsl": {
    "h": 199.091,
    "s": 67.347,
    "l": 61.569
  },
  "oklch": {
    "l": 0.73425,
    "c": 0.1052,
    "h": 230.8
  },
  "luminance": 0.406
}

Semantic roles & 50–950 ramp

primary

#5BB5DF

secondary

#E3C2B2

accent

#5116CF

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB5DF

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

Preview Lab → · Contrast checker → · Palette generator →