#288A5E#288A5E

#288A5E is a mid, moderate teal. Relative luminance 0.194; OKLCH L 56.6% C 0.113 H 159.5°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX#288A5E
RGBrgb(40, 138, 94)
HSLhsl(153, 55%, 35%)
HSVhsv(153, 71%, 54%)
CMYKcmyk(71%, 0%, 31.9%, 45.9%)
CIE-LABlab(51.19, -38.91, 15.61)
CIE-LCHlch(51.19, 41.92, 158.14°)
OKLaboklab(56.58% -0.1059 0.0396)
OKLCHoklch(56.58% 0.113 159.5)
XYZxyz(11.9827, 19.4349, 13.7073)
Luminance0.1944 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288A5E #8A2854
analogous
#288A2D #288A5E #28858A
triadic
#288A5E #5E288A #8A5E28
tetradic
#288A5E #2D288A #8A2854 #858A28
square
#288A5E #2D288A #8A2854 #858A28
split-complementary
#288A5E #8A2885 #8A2D28
monochromatic
#0C2B1D #1A5B3E #288A5E #36B97E #5DD09C

Accessibility & contrast

On white

4.30
#288A5E on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.89
#288A5E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A5E
4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288A5E#FFFFFF#000000##000000
##288A5E1.004.304.894.89
#FFFFFF4.301.0021.0021.00
#0000004.8921.001.001.00
##0000004.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#887F5B
Deuteranopia (green-blind)
#7C7661
Tritanopia (blue-blind)
#00897E
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #288a5e;
/* rgb */ color: rgb(40, 138, 94);
/* oklch */ color: oklch(56.6% 0.113 159.5);
Tailwind
colors: {
  custom: {
    50: '#6fad8c',
    500: '#288a5e',
    950: '#000000',
  },
}
SCSS
$custom: #288a5e;
$custom-light: #6fad8c;
$custom-dark: #000000;
JSON
{
  "hex": "#288a5e",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 94
  },
  "hsl": {
    "h": 153.061,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56575,
    "c": 0.11309,
    "h": 159.5
  },
  "luminance": 0.19436
}

Semantic roles & 50–950 ramp

primary
#288A5E
secondary
#B55982
accent
#498CDE
background
#F7FAF8
surface
#EDF4F0
border
#C8CECB
text
#08100C
muted
#7B7F7D

Preview Lab

Preview with #288A5E

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

Preview Lab → · Contrast checker → · Palette generator →

#288A5E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva