#5990BB#5990BB

#5990BB is a light, moderate cyan. Relative luminance 0.257; OKLCH L 63.3% C 0.087 H 243.4°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#5990BB
RGB	rgb(89, 144, 187)
HSL	hsl(206, 42%, 54%)
HSV	hsv(206, 52%, 73%)
CMYK	cmyk(52.4%, 23%, 0%, 26.7%)
CIE-LAB	lab(57.71, -5.87, -27.97)
CIE-LCH	lch(57.71, 28.58, 258.15°)
OKLab	oklab(63.27% -0.0392 -0.0781)
OKLCH	oklch(63.27% 0.087 243.4)
XYZ	xyz(23.0595, 25.6564, 50.7411)
Luminance	0.2566 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5990BB #BB8459

analogous

#59BBB5 #5990BB #595FBB

triadic

#5990BB #BB5990 #90BB59

tetradic

#5990BB #B559BB #BB8459 #5FBB59

square

#5990BB #B559BB #BB8459 #5FBB59

split-complementary

#5990BB #BB595F #BBB559

monochromatic

#2D516D #3E7198 #5990BB #84ADCD #B0CADF

Accessibility & contrast

On white

3.42

#5990BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#5990BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5990BB

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5990BB	#FFFFFF	#000000	##000000
##5990BB	1.00	3.42	6.13	6.13
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E90BD

Deuteranopia (green-blind)

#7086BA

Tritanopia (blue-blind)

#219A9F

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5990bb;
/* rgb */ color: rgb(89, 144, 187);
/* oklch */ color: oklch(63.3% 0.087 243.4);

Tailwind

colors: {
  custom: {
    50: '#8eb0cf',
    500: '#5990bb',
    950: '#000000',
  },
}

SCSS

$custom: #5990bb;
$custom-light: #8eb0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5990bb",
  "rgb": {
    "r": 89,
    "g": 144,
    "b": 187
  },
  "hsl": {
    "h": 206.327,
    "s": 41.88,
    "l": 54.118
  },
  "oklch": {
    "l": 0.63269,
    "c": 0.08739,
    "h": 243.4
  },
  "luminance": 0.25658
}

Semantic roles & 50–950 ramp

primary

#5990BB

secondary

#CDB5A3

accent

#8C56D2

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #5990BB

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

Preview Lab → · Contrast checker → · Palette generator →