#289F8B#289F8B

#289F8B is a light, moderate teal. Relative luminance 0.271; OKLCH L 63.4% C 0.106 H 178.6°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX#289F8B
RGBrgb(40, 159, 139)
HSLhsl(170, 60%, 39%)
HSVhsv(170, 75%, 62%)
CMYKcmyk(74.8%, 0%, 12.6%, 37.6%)
CIE-LABlab(59.08, -36.84, 1.19)
CIE-LCHlch(59.08, 36.85, 178.14°)
OKLaboklab(63.39% -0.1059 0.0026)
OKLCHoklch(63.39% 0.106 178.6)
XYZxyz(17.9311, 27.1093, 28.7087)
Luminance0.2711 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#289F8B #9F283C
analogous
#289F50 #289F8B #28789F
triadic
#289F8B #8B289F #9F8B28
tetradic
#289F8B #50289F #9F283C #789F28
square
#289F8B #50289F #9F283C #789F28
split-complementary
#289F8B #9F2878 #9F5028
monochromatic
#0F3D36 #1C6E60 #289F8B #37CDB4 #68D9C6

Accessibility & contrast

On white

3.27
#289F8B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.42
#289F8B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289F8B
6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##289F8B#FFFFFF#000000##000000
##289F8B1.003.276.426.42
#FFFFFF3.271.0021.0021.00
#0000006.4221.001.001.00
##0000006.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#98958A
Deuteranopia (green-blind)
#88898D
Tritanopia (blue-blind)
#00A299
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #289f8b;
/* rgb */ color: rgb(40, 159, 139);
/* oklch */ color: oklch(63.4% 0.106 178.6);
Tailwind
colors: {
  custom: {
    50: '#75bcac',
    500: '#289f8b',
    950: '#000000',
  },
}
SCSS
$custom: #289f8b;
$custom-light: #75bcac;
$custom-dark: #000000;
JSON
{
  "hex": "#289f8b",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 139
  },
  "hsl": {
    "h": 169.916,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.6339,
    "c": 0.10594,
    "h": 178.6
  },
  "luminance": 0.27111
}

Semantic roles & 50–950 ramp

primary
#289F8B
secondary
#BF6473
accent
#455FE3
background
#F7FBFA
surface
#EEF6F4
border
#C9D0CE
text
#0A1210
muted
#7C817F

Preview Lab

Preview with #289F8B

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

Preview Lab → · Contrast checker → · Palette generator →

#289F8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva