#289DB1#289DB1

#289DB1 is a light, moderate teal. Relative luminance 0.277; OKLCH L 64.3% C 0.102 H 212.0°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#289DB1
RGB	rgb(40, 157, 177)
HSL	hsl(189, 63%, 43%)
HSV	hsv(189, 77%, 69%)
CMYK	cmyk(77.4%, 11.3%, 0%, 30.6%)
CIE-LAB	lab(59.65, -24.46, -19.47)
CIE-LCH	lch(59.65, 31.26, 218.51°)
OKLab	oklab(64.25% -0.0867 -0.0543)
OKLCH	oklch(64.25% 0.102 212)
XYZ	xyz(20.8644, 27.7368, 45.8405)
Luminance	0.2774 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289DB1 #B13C28

analogous

#28B180 #289DB1 #2859B1

triadic

#289DB1 #B1289D #9DB128

tetradic

#289DB1 #8028B1 #B13C28 #59B128

square

#289DB1 #8028B1 #B13C28 #59B128

split-complementary

#289DB1 #B12859 #B18028

monochromatic

#11444D #1D717F #289DB1 #42BFD4 #74D0E0

Accessibility & contrast

On white

3.21

#289DB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#289DB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289DB1

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289DB1	#FFFFFF	#000000	##000000
##289DB1	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D97B2

Deuteranopia (green-blind)

#7B8AB1

Tritanopia (blue-blind)

#00A5A3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #289db1;
/* rgb */ color: rgb(40, 157, 177);
/* oklch */ color: oklch(64.3% 0.102 212.0);

Tailwind

colors: {
  custom: {
    50: '#79bac8',
    500: '#289db1',
    950: '#000000',
  },
}

SCSS

$custom: #289db1;
$custom-light: #79bac8;
$custom-dark: #000000;

JSON

{
  "hex": "#289db1",
  "rgb": {
    "r": 40,
    "g": 157,
    "b": 177
  },
  "hsl": {
    "h": 188.759,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.64254,
    "c": 0.1023,
    "h": 212
  },
  "luminance": 0.27739
}

Semantic roles & 50–950 ramp

primary

#289DB1

secondary

#C77B6E

accent

#5A42E6

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #289DB1

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

Preview Lab → · Contrast checker → · Palette generator →