#289CB2#289CB2

#289CB2 is a light, moderate teal. Relative luminance 0.274; OKLCH L 64.0% C 0.103 H 213.8°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#289CB2
RGB	rgb(40, 156, 178)
HSL	hsl(190, 63%, 43%)
HSV	hsv(190, 78%, 70%)
CMYK	cmyk(77.5%, 12.4%, 0%, 30.2%)
CIE-LAB	lab(59.38, -23.62, -20.44)
CIE-LCH	lch(59.38, 31.24, 220.88°)
OKLab	oklab(64.05% -0.0853 -0.057)
OKLCH	oklch(64.05% 0.103 213.8)
XYZ	xyz(20.7960, 27.4399, 46.3112)
Luminance	0.2744 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289CB2 #B23E28

analogous

#28B283 #289CB2 #2857B2

triadic

#289CB2 #B2289C #9CB228

tetradic

#289CB2 #8328B2 #B23E28 #57B228

square

#289CB2 #8328B2 #B23E28 #57B228

split-complementary

#289CB2 #B22857 #B28328

monochromatic

#12444E #1D7080 #289CB2 #43BDD5 #75CFE0

Accessibility & contrast

On white

3.24

#289CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#289CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289CB2

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289CB2	#FFFFFF	#000000	##000000
##289CB2	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C97B3

Deuteranopia (green-blind)

#7989B2

Tritanopia (blue-blind)

#00A4A3

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #289cb2;
/* rgb */ color: rgb(40, 156, 178);
/* oklch */ color: oklch(64.0% 0.103 213.8);

Tailwind

colors: {
  custom: {
    50: '#79b9c9',
    500: '#289cb2',
    950: '#000000',
  },
}

SCSS

$custom: #289cb2;
$custom-light: #79b9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#289cb2",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 178
  },
  "hsl": {
    "h": 189.565,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.64048,
    "c": 0.10264,
    "h": 213.8
  },
  "luminance": 0.27442
}

Semantic roles & 50–950 ramp

primary

#289CB2

secondary

#C77D6F

accent

#5C41E6

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #289CB2

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

Preview Lab → · Contrast checker → · Palette generator →