#289CB3#289CB3

#289CB3 is a light, moderate teal. Relative luminance 0.275; OKLCH L 64.1% C 0.103 H 214.5°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#289CB3
RGB	rgb(40, 156, 179)
HSL	hsl(190, 63%, 43%)
HSV	hsv(190, 78%, 70%)
CMYK	cmyk(77.7%, 12.8%, 0%, 29.8%)
CIE-LAB	lab(59.42, -23.29, -20.95)
CIE-LCH	lch(59.42, 31.33, 221.97°)
OKLab	oklab(64.09% -0.0849 -0.0585)
OKLCH	oklch(64.09% 0.103 214.5)
XYZ	xyz(20.8967, 27.4802, 46.8419)
Luminance	0.2748 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289CB3 #B33F28

analogous

#28B384 #289CB3 #2856B3

triadic

#289CB3 #B3289C #9CB328

tetradic

#289CB3 #8428B3 #B33F28 #56B328

square

#289CB3 #8428B3 #B33F28 #56B328

split-complementary

#289CB3 #B32856 #B38428

monochromatic

#12454F #1D7081 #289CB3 #43BDD5 #75CEE0

Accessibility & contrast

On white

3.23

#289CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#289CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289CB3

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289CB3	#FFFFFF	#000000	##000000
##289CB3	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C97B4

Deuteranopia (green-blind)

#7989B3

Tritanopia (blue-blind)

#00A5A3

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #289cb3;
/* rgb */ color: rgb(40, 156, 179);
/* oklch */ color: oklch(64.1% 0.103 214.5);

Tailwind

colors: {
  custom: {
    50: '#79b9c9',
    500: '#289cb3',
    950: '#000000',
  },
}

SCSS

$custom: #289cb3;
$custom-light: #79b9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#289cb3",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 179
  },
  "hsl": {
    "h": 189.928,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.6409,
    "c": 0.10311,
    "h": 214.5
  },
  "luminance": 0.27483
}

Semantic roles & 50–950 ramp

primary

#289CB3

secondary

#C87E6F

accent

#5D41E6

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #289CB3

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

Preview Lab → · Contrast checker → · Palette generator →