#289BB0#289BB0

#289BB0 is a light, moderate teal. Relative luminance 0.270; OKLCH L 63.7% C 0.102 H 213.1°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#289BB0
RGB	rgb(40, 155, 176)
HSL	hsl(189, 63%, 42%)
HSV	hsv(189, 77%, 69%)
CMYK	cmyk(77.3%, 11.9%, 0%, 31%)
CIE-LAB	lab(59.00, -23.76, -19.89)
CIE-LCH	lch(59.00, 30.99, 219.94°)
OKLab	oklab(63.72% -0.0852 -0.0555)
OKLCH	oklch(63.72% 0.102 213.1)
XYZ	xyz(20.4295, 27.0259, 45.2057)
Luminance	0.2703 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289BB0 #B03D28

analogous

#28B081 #289BB0 #2857B0

triadic

#289BB0 #B0289B #9BB028

tetradic

#289BB0 #8128B0 #B03D28 #57B028

square

#289BB0 #8128B0 #B03D28 #57B028

split-complementary

#289BB0 #B02857 #B08128

monochromatic

#11434C #1D6F7E #289BB0 #41BDD4 #73CFDF

Accessibility & contrast

On white

3.28

#289BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#289BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289BB0

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289BB0	#FFFFFF	#000000	##000000
##289BB0	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B96B1

Deuteranopia (green-blind)

#7988B0

Tritanopia (blue-blind)

#00A3A1

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #289bb0;
/* rgb */ color: rgb(40, 155, 176);
/* oklch */ color: oklch(63.7% 0.102 213.1);

Tailwind

colors: {
  custom: {
    50: '#78b8c7',
    500: '#289bb0',
    950: '#000000',
  },
}

SCSS

$custom: #289bb0;
$custom-light: #78b8c7;
$custom-dark: #000000;

JSON

{
  "hex": "#289bb0",
  "rgb": {
    "r": 40,
    "g": 155,
    "b": 176
  },
  "hsl": {
    "h": 189.265,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.63716,
    "c": 0.10165,
    "h": 213.1
  },
  "luminance": 0.27028
}

Semantic roles & 50–950 ramp

primary

#289BB0

secondary

#C67B6D

accent

#5B42E6

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #289BB0

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

Preview Lab → · Contrast checker → · Palette generator →