#289EB3#289EB3

#289EB3 is a light, moderate teal. Relative luminance 0.282; OKLCH L 64.6% C 0.103 H 212.7°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#289EB3
RGB	rgb(40, 158, 179)
HSL	hsl(189, 63%, 43%)
HSV	hsv(189, 78%, 70%)
CMYK	cmyk(77.7%, 11.7%, 0%, 29.8%)
CIE-LAB	lab(60.03, -24.32, -20.02)
CIE-LCH	lch(60.03, 31.50, 219.45°)
OKLab	oklab(64.59% -0.0869 -0.0558)
OKLCH	oklch(64.59% 0.103 212.7)
XYZ	xyz(21.2351, 28.1569, 46.9547)
Luminance	0.2816 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289EB3 #B33D28

analogous

#28B382 #289EB3 #2858B3

triadic

#289EB3 #B3289E #9EB328

tetradic

#289EB3 #8228B3 #B33D28 #58B328

square

#289EB3 #8228B3 #B33D28 #58B328

split-complementary

#289EB3 #B32858 #B38228

monochromatic

#12464F #1D7281 #289EB3 #43BFD5 #75D0E0

Accessibility & contrast

On white

3.17

#289EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#289EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289EB3

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289EB3	#FFFFFF	#000000	##000000
##289EB3	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E98B4

Deuteranopia (green-blind)

#7B8BB3

Tritanopia (blue-blind)

#00A6A4

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #289eb3;
/* rgb */ color: rgb(40, 158, 179);
/* oklch */ color: oklch(64.6% 0.103 212.7);

Tailwind

colors: {
  custom: {
    50: '#79bbc9',
    500: '#289eb3',
    950: '#000000',
  },
}

SCSS

$custom: #289eb3;
$custom-light: #79bbc9;
$custom-dark: #000000;

JSON

{
  "hex": "#289eb3",
  "rgb": {
    "r": 40,
    "g": 158,
    "b": 179
  },
  "hsl": {
    "h": 189.065,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.64585,
    "c": 0.10327,
    "h": 212.7
  },
  "luminance": 0.2816
}

Semantic roles & 50–950 ramp

primary

#289EB3

secondary

#C87D6F

accent

#5A41E6

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #289EB3

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

Preview Lab → · Contrast checker → · Palette generator →