#289FB4#289FB4

#289FB4 is a light, moderate teal. Relative luminance 0.285; OKLCH L 64.9% C 0.104 H 212.6°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#289FB4
RGB	rgb(40, 159, 180)
HSL	hsl(189, 64%, 43%)
HSV	hsv(189, 78%, 71%)
CMYK	cmyk(77.8%, 11.7%, 0%, 29.4%)
CIE-LAB	lab(60.37, -24.51, -20.06)
CIE-LCH	lch(60.37, 31.67, 219.29°)
OKLab	oklab(64.87% -0.0875 -0.0559)
OKLCH	oklch(64.87% 0.104 212.6)
XYZ	xyz(21.5079, 28.5400, 47.5464)
Luminance	0.2854 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289FB4 #B43D28

analogous

#28B483 #289FB4 #2859B4

triadic

#289FB4 #B4289F #9FB428

tetradic

#289FB4 #8328B4 #B43D28 #59B428

square

#289FB4 #8328B4 #B43D28 #59B428

split-complementary

#289FB4 #B42859 #B48328

monochromatic

#124750 #1D7382 #289FB4 #44C0D5 #76D1E1

Accessibility & contrast

On white

3.13

#289FB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#289FB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289FB4

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289FB4	#FFFFFF	#000000	##000000
##289FB4	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F99B5

Deuteranopia (green-blind)

#7C8CB4

Tritanopia (blue-blind)

#00A7A5

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #289fb4;
/* rgb */ color: rgb(40, 159, 180);
/* oklch */ color: oklch(64.9% 0.104 212.6);

Tailwind

colors: {
  custom: {
    50: '#79bbca',
    500: '#289fb4',
    950: '#000000',
  },
}

SCSS

$custom: #289fb4;
$custom-light: #79bbca;
$custom-dark: #000000;

JSON

{
  "hex": "#289fb4",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 180
  },
  "hsl": {
    "h": 189,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.64874,
    "c": 0.10381,
    "h": 212.6
  },
  "luminance": 0.28543
}

Semantic roles & 50–950 ramp

primary

#289FB4

secondary

#C87D70

accent

#5A41E7

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #289FB4

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

Preview Lab → · Contrast checker → · Palette generator →