#288A8E#288A8E

#288A8E is a mid, moderate teal. Relative luminance 0.206; OKLCH L 58.1% C 0.087 H 199.0°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX#288A8E
RGBrgb(40, 138, 142)
HSLhsl(182, 56%, 36%)
HSVhsv(182, 72%, 56%)
CMYKcmyk(71.8%, 2.8%, 0%, 44.3%)
CIE-LABlab(52.49, -25.94, -10.27)
CIE-LCHlch(52.49, 27.90, 201.60°)
OKLaboklab(58.06% -0.0825 -0.0285)
OKLCHoklch(58.06% 0.087 199)
XYZxyz(14.8439, 20.5793, 28.7758)
Luminance0.2058 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288A8E #8E2C28
analogous
#288E5F #288A8E #28578E
triadic
#288A8E #8E288A #8A8E28
tetradic
#288A8E #5F288E #8E2C28 #578E28
square
#288A8E #5F288E #8E2C28 #578E28
split-complementary
#288A8E #8E2857 #8E5F28
monochromatic
#0D2D2F #1B5C5E #288A8E #35B8BE #5FCDD2

Accessibility & contrast

On white

4.10
#288A8E on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.12
#288A8E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A8E
5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288A8E#FFFFFF#000000##000000
##288A8E1.004.105.125.12
#FFFFFF4.101.0021.0021.00
#0000005.1221.001.001.00
##0000005.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#80848E
Deuteranopia (green-blind)
#71798F
Tritanopia (blue-blind)
#008F8B
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #288a8e;
/* rgb */ color: rgb(40, 138, 142);
/* oklch */ color: oklch(58.1% 0.087 199.0);
Tailwind
colors: {
  custom: {
    50: '#72acaf',
    500: '#288a8e',
    950: '#000000',
  },
}
SCSS
$custom: #288a8e;
$custom-light: #72acaf;
$custom-dark: #000000;
JSON
{
  "hex": "#288a8e",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 142
  },
  "hsl": {
    "h": 182.353,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.58058,
    "c": 0.08732,
    "h": 199
  },
  "luminance": 0.20581
}

Semantic roles & 50–950 ramp

primary
#288A8E
secondary
#B75E5B
accent
#4E48DF
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#091010
muted
#7B7F7F

Preview Lab

Preview with #288A8E

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

Preview Lab → · Contrast checker → · Palette generator →

#288A8E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva