#289FB0#289FB0

#289FB0 is a light, moderate teal. Relative luminance 0.284; OKLCH L 64.7% C 0.102 H 209.4°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#289FB0
RGB	rgb(40, 159, 176)
HSL	hsl(188, 63%, 42%)
HSV	hsv(188, 77%, 69%)
CMYK	cmyk(77.3%, 9.7%, 0%, 31%)
CIE-LAB	lab(60.23, -25.80, -18.02)
CIE-LCH	lch(60.23, 31.47, 214.93°)
OKLab	oklab(64.71% -0.0891 -0.0502)
OKLCH	oklch(64.71% 0.102 209.4)
XYZ	xyz(21.1063, 28.3794, 45.4313)
Luminance	0.2838 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289FB0 #B03928

analogous

#28B07D #289FB0 #285BB0

triadic

#289FB0 #B0289F #9FB028

tetradic

#289FB0 #7D28B0 #B03928 #5BB028

square

#289FB0 #7D28B0 #B03928 #5BB028

split-complementary

#289FB0 #B0285B #B07D28

monochromatic

#11454C #1D727E #289FB0 #41C2D4 #73D2DF

Accessibility & contrast

On white

3.15

#289FB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#289FB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289FB0

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289FB0	#FFFFFF	#000000	##000000
##289FB0	1.00	3.15	6.68	6.68
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9099B1

Deuteranopia (green-blind)

#7E8BB0

Tritanopia (blue-blind)

#00A7A4

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #289fb0;
/* rgb */ color: rgb(40, 159, 176);
/* oklch */ color: oklch(64.7% 0.102 209.4);

Tailwind

colors: {
  custom: {
    50: '#79bbc7',
    500: '#289fb0',
    950: '#000000',
  },
}

SCSS

$custom: #289fb0;
$custom-light: #79bbc7;
$custom-dark: #000000;

JSON

{
  "hex": "#289fb0",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 176
  },
  "hsl": {
    "h": 187.5,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.6471,
    "c": 0.10227,
    "h": 209.4
  },
  "luminance": 0.28382
}

Semantic roles & 50–950 ramp

primary

#289FB0

secondary

#C6786D

accent

#5642E6

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #289FB0

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

Preview Lab → · Contrast checker → · Palette generator →