#289FB9#289FB9

#289FB9 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.1% C 0.106 H 216.5°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#289FB9
RGB	rgb(40, 159, 185)
HSL	hsl(191, 64%, 44%)
HSV	hsv(191, 78%, 73%)
CMYK	cmyk(78.4%, 14.1%, 0%, 27.5%)
CIE-LAB	lab(60.56, -22.87, -22.59)
CIE-LCH	lch(60.56, 32.15, 224.64°)
OKLab	oklab(65.08% -0.0854 -0.0631)
OKLCH	oklch(65.08% 0.106 216.5)
XYZ	xyz(22.0264, 28.7475, 50.2775)
Luminance	0.2875 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289FB9 #B94228

analogous

#28B98B #289FB9 #2856B9

triadic

#289FB9 #B9289F #9FB928

tetradic

#289FB9 #8B28B9 #B94228 #56B928

square

#289FB9 #8B28B9 #B94228 #56B928

split-complementary

#289FB9 #B92856 #B98B28

monochromatic

#124954 #1D7487 #289FB9 #47BDD7 #79CFE2

Accessibility & contrast

On white

3.11

#289FB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#289FB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289FB9

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289FB9	#FFFFFF	#000000	##000000
##289FB9	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9ABA

Deuteranopia (green-blind)

#7A8CB9

Tritanopia (blue-blind)

#00A8A7

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #289fb9;
/* rgb */ color: rgb(40, 159, 185);
/* oklch */ color: oklch(65.1% 0.106 216.5);

Tailwind

colors: {
  custom: {
    50: '#7abbce',
    500: '#289fb9',
    950: '#000000',
  },
}

SCSS

$custom: #289fb9;
$custom-light: #7abbce;
$custom-dark: #000000;

JSON

{
  "hex": "#289fb9",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 185
  },
  "hsl": {
    "h": 190.759,
    "s": 64.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.65084,
    "c": 0.1062,
    "h": 216.5
  },
  "luminance": 0.2875
}

Semantic roles & 50–950 ramp

primary

#289FB9

secondary

#CA8273

accent

#5E40E7

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #289FB9

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

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