#289FBA#289FBA

#289FBA is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.1% C 0.107 H 217.2°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#289FBA
RGB	rgb(40, 159, 186)
HSL	hsl(191, 65%, 44%)
HSV	hsv(191, 78%, 73%)
CMYK	cmyk(78.5%, 14.5%, 0%, 27.1%)
CIE-LAB	lab(60.60, -22.54, -23.09)
CIE-LCH	lch(60.60, 32.27, 225.69°)
OKLab	oklab(65.13% -0.085 -0.0645)
OKLCH	oklch(65.13% 0.107 217.2)
XYZ	xyz(22.1324, 28.7898, 50.8354)
Luminance	0.2879 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289FBA #BA4328

analogous

#28BA8C #289FBA #2856BA

triadic

#289FBA #BA289F #9FBA28

tetradic

#289FBA #8C28BA #BA4328 #56BA28

square

#289FBA #8C28BA #BA4328 #56BA28

split-complementary

#289FBA #BA2856 #BA8C28

monochromatic

#124955 #1D7488 #289FBA #48BDD8 #7ACFE2

Accessibility & contrast

On white

3.11

#289FBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#289FBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289FBA

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289FBA	#FFFFFF	#000000	##000000
##289FBA	1.00	3.11	6.76	6.76
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9ABB

Deuteranopia (green-blind)

#7A8CBA

Tritanopia (blue-blind)

#00A8A8

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #289fba;
/* rgb */ color: rgb(40, 159, 186);
/* oklch */ color: oklch(65.1% 0.107 217.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#289fba",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 186
  },
  "hsl": {
    "h": 191.096,
    "s": 64.602,
    "l": 44.314
  },
  "oklch": {
    "l": 0.65126,
    "c": 0.10674,
    "h": 217.2
  },
  "luminance": 0.28793
}

Semantic roles & 50–950 ramp

primary

#289FBA

secondary

#CA8473

accent

#5F40E8

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #289FBA

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

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