#5BB9DC#5BB9DC

#5BB9DC is a light, moderate cyan. Relative luminance 0.421; OKLCH L 74.2% C 0.102 H 225.1°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#5BB9DC
RGB	rgb(91, 185, 220)
HSL	hsl(196, 65%, 61%)
HSV	hsv(196, 59%, 86%)
CMYK	cmyk(58.6%, 15.9%, 0%, 13.7%)
CIE-LAB	lab(70.93, -17.77, -25.96)
CIE-LCH	lch(70.93, 31.46, 235.61°)
OKLab	oklab(74.22% -0.0719 -0.0723)
OKLCH	oklch(74.22% 0.102 225.1)
XYZ	xyz(34.5766, 42.0860, 73.9975)
Luminance	0.4209 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB9DC #DC7E5B

analogous

#5BDCBE #5BB9DC #5B78DC

triadic

#5BB9DC #DC5BB9 #B9DC5B

tetradic

#5BB9DC #BE5BDC #DC7E5B #78DC5B

square

#5BB9DC #BE5BDC #DC7E5B #78DC5B

split-complementary

#5BB9DC #DC5B78 #DCBE5B

monochromatic

#217A9B #2CA2CE #5BB9DC #8DCFE7 #C0E4F2

Accessibility & contrast

On white

2.23

#5BB9DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.42

#5BB9DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB9DC

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB9DC	#FFFFFF	#000000	##000000
##5BB9DC	1.00	2.23	9.42	9.42
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.42	21.00	1.00	1.00
##000000	9.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B5DE

Deuteranopia (green-blind)

#93A8DC

Tritanopia (blue-blind)

#00C4C4

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #5bb9dc;
/* rgb */ color: rgb(91, 185, 220);
/* oklch */ color: oklch(74.2% 0.102 225.1);

Tailwind

colors: {
  custom: {
    50: '#94cee7',
    500: '#5bb9dc',
    950: '#000000',
  },
}

SCSS

$custom: #5bb9dc;
$custom-light: #94cee7;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb9dc",
  "rgb": {
    "r": 91,
    "g": 185,
    "b": 220
  },
  "hsl": {
    "h": 196.279,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.74215,
    "c": 0.10196,
    "h": 225.1
  },
  "luminance": 0.42089
}

Semantic roles & 50–950 ramp

primary

#5BB9DC

secondary

#E2BEB1

accent

#4A19CD

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB9DC

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

Preview Lab → · Contrast checker → · Palette generator →