#289C99#289C99

#289C99 is a light, moderate teal. Relative luminance 0.265; OKLCH L 63.1% C 0.099 H 192.3°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#289C99
RGB	rgb(40, 156, 153)
HSL	hsl(178, 59%, 38%)
HSV	hsv(178, 74%, 61%)
CMYK	cmyk(74.4%, 0%, 1.9%, 38.8%)
CIE-LAB	lab(58.53, -31.44, -7.55)
CIE-LCH	lch(58.53, 32.33, 193.50°)
OKLab	oklab(63.08% -0.0962 -0.021)
OKLCH	oklch(63.08% 0.099 192.3)
XYZ	xyz(18.5106, 26.5257, 34.2752)
Luminance	0.2653 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289C99 #9C282B

analogous

#289C5F #289C99 #28659C

triadic

#289C99 #99289C #9C9928

tetradic

#289C99 #5F289C #9C282B #659C28

square

#289C99 #5F289C #9C282B #659C28

split-complementary

#289C99 #9C2865 #9C5F28

monochromatic

#0F3B39 #1C6B69 #289C99 #36CBC8 #67D8D5

Accessibility & contrast

On white

3.33

#289C99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#289C99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289C99

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289C99	#FFFFFF	#000000	##000000
##289C99	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#929499

Deuteranopia (green-blind)

#81889A

Tritanopia (blue-blind)

#00A19B

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #289c99;
/* rgb */ color: rgb(40, 156, 153);
/* oklch */ color: oklch(63.1% 0.099 192.3);

Tailwind

colors: {
  custom: {
    50: '#76b9b7',
    500: '#289c99',
    950: '#000000',
  },
}

SCSS

$custom: #289c99;
$custom-light: #76b9b7;
$custom-dark: #000000;

JSON

{
  "hex": "#289c99",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 153
  },
  "hsl": {
    "h": 178.448,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.63082,
    "c": 0.09851,
    "h": 192.3
  },
  "luminance": 0.26528
}

Semantic roles & 50–950 ramp

primary

#289C99

secondary

#BE6264

accent

#4549E2

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1111

muted

#7C8080

Preview Lab

Preview with #289C99

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

Preview Lab → · Contrast checker → · Palette generator →