#289CB1#289CB1

#289CB1 is a light, moderate teal. Relative luminance 0.274; OKLCH L 64.0% C 0.102 H 213.0°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#289CB1
RGB	rgb(40, 156, 177)
HSL	hsl(189, 63%, 43%)
HSV	hsv(189, 77%, 69%)
CMYK	cmyk(77.4%, 11.9%, 0%, 30.6%)
CIE-LAB	lab(59.34, -23.95, -19.93)
CIE-LCH	lch(59.34, 31.16, 219.78°)
OKLab	oklab(64.01% -0.0858 -0.0556)
OKLCH	oklch(64.01% 0.102 213)
XYZ	xyz(20.6959, 27.3998, 45.7844)
Luminance	0.2740 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289CB1 #B13D28

analogous

#28B181 #289CB1 #2858B1

triadic

#289CB1 #B1289C #9CB128

tetradic

#289CB1 #8128B1 #B13D28 #58B128

square

#289CB1 #8128B1 #B13D28 #58B128

split-complementary

#289CB1 #B12858 #B18128

monochromatic

#11444D #1D707F #289CB1 #42BED4 #74CFE0

Accessibility & contrast

On white

3.24

#289CB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#289CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289CB1

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289CB1	#FFFFFF	#000000	##000000
##289CB1	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C97B2

Deuteranopia (green-blind)

#7A89B1

Tritanopia (blue-blind)

#00A4A2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #289cb1;
/* rgb */ color: rgb(40, 156, 177);
/* oklch */ color: oklch(64.0% 0.102 213.0);

Tailwind

colors: {
  custom: {
    50: '#79b9c8',
    500: '#289cb1',
    950: '#000000',
  },
}

SCSS

$custom: #289cb1;
$custom-light: #79b9c8;
$custom-dark: #000000;

JSON

{
  "hex": "#289cb1",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 177
  },
  "hsl": {
    "h": 189.197,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.64006,
    "c": 0.10219,
    "h": 213
  },
  "luminance": 0.27402
}

Semantic roles & 50–950 ramp

primary

#289CB1

secondary

#C77C6E

accent

#5B42E6

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #289CB1

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

Preview Lab → · Contrast checker → · Palette generator →