#289CBA#289CBA

#289CBA is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.4% C 0.107 H 219.9°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#289CBA
RGB	rgb(40, 156, 186)
HSL	hsl(192, 65%, 44%)
HSV	hsv(192, 78%, 73%)
CMYK	cmyk(78.5%, 16.1%, 0%, 27.1%)
CIE-LAB	lab(59.68, -20.98, -24.50)
CIE-LCH	lch(59.68, 32.25, 229.42°)
OKLab	oklab(64.39% -0.0821 -0.0685)
OKLCH	oklch(64.39% 0.107 219.9)
XYZ	xyz(21.6227, 27.7706, 50.6655)
Luminance	0.2777 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289CBA #BA4628

analogous

#28BA8F #289CBA #2853BA

triadic

#289CBA #BA289C #9CBA28

tetradic

#289CBA #8F28BA #BA4628 #53BA28

square

#289CBA #8F28BA #BA4628 #53BA28

split-complementary

#289CBA #BA2853 #BA8F28

monochromatic

#124855 #1D7288 #289CBA #48BAD8 #7ACDE2

Accessibility & contrast

On white

3.20

#289CBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#289CBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289CBA

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289CBA	#FFFFFF	#000000	##000000
##289CBA	1.00	3.20	6.55	6.55
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A98BC

Deuteranopia (green-blind)

#768ABA

Tritanopia (blue-blind)

#00A6A6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #289cba;
/* rgb */ color: rgb(40, 156, 186);
/* oklch */ color: oklch(64.4% 0.107 219.9);

Tailwind

colors: {
  custom: {
    50: '#7ab9ce',
    500: '#289cba',
    950: '#000000',
  },
}

SCSS

$custom: #289cba;
$custom-light: #7ab9ce;
$custom-dark: #000000;

JSON

{
  "hex": "#289cba",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 186
  },
  "hsl": {
    "h": 192.329,
    "s": 64.602,
    "l": 44.314
  },
  "oklch": {
    "l": 0.64391,
    "c": 0.10697,
    "h": 219.9
  },
  "luminance": 0.27773
}

Semantic roles & 50–950 ramp

primary

#289CBA

secondary

#CA8573

accent

#6340E8

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #289CBA

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

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