#289DB4#289DB4

#289DB4 is a light, moderate teal. Relative luminance 0.279; OKLCH L 64.4% C 0.104 H 214.4°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#289DB4
RGB	rgb(40, 157, 180)
HSL	hsl(190, 64%, 43%)
HSV	hsv(190, 78%, 71%)
CMYK	cmyk(77.8%, 12.8%, 0%, 29.4%)
CIE-LAB	lab(59.76, -23.48, -20.99)
CIE-LCH	lch(59.76, 31.50, 221.80°)
OKLab	oklab(64.38% -0.0855 -0.0586)
OKLCH	oklch(64.38% 0.104 214.4)
XYZ	xyz(21.1667, 27.8577, 47.4327)
Luminance	0.2786 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289DB4 #B43F28

analogous

#28B485 #289DB4 #2857B4

triadic

#289DB4 #B4289D #9DB428

tetradic

#289DB4 #8528B4 #B43F28 #57B428

square

#289DB4 #8528B4 #B43F28 #57B428

split-complementary

#289DB4 #B42857 #B48528

monochromatic

#124650 #1D7182 #289DB4 #44BDD5 #76CFE1

Accessibility & contrast

On white

3.20

#289DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#289DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289DB4

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289DB4	#FFFFFF	#000000	##000000
##289DB4	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D98B5

Deuteranopia (green-blind)

#7A8AB4

Tritanopia (blue-blind)

#00A6A4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #289db4;
/* rgb */ color: rgb(40, 157, 180);
/* oklch */ color: oklch(64.4% 0.104 214.4);

Tailwind

colors: {
  custom: {
    50: '#79baca',
    500: '#289db4',
    950: '#000000',
  },
}

SCSS

$custom: #289db4;
$custom-light: #79baca;
$custom-dark: #000000;

JSON

{
  "hex": "#289db4",
  "rgb": {
    "r": 40,
    "g": 157,
    "b": 180
  },
  "hsl": {
    "h": 189.857,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.64379,
    "c": 0.10364,
    "h": 214.4
  },
  "luminance": 0.2786
}

Semantic roles & 50–950 ramp

primary

#289DB4

secondary

#C87E70

accent

#5C41E7

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #289DB4

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

Preview Lab → · Contrast checker → · Palette generator →