#288B5A#288B5A

#288B5A is a mid, moderate teal. Relative luminance 0.197; OKLCH L 56.8% C 0.118 H 157.2°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#288B5A
RGB	rgb(40, 139, 90)
HSL	hsl(150, 55%, 35%)
HSV	hsv(150, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 35.3%, 45.5%)
CIE-LAB	lab(51.44, -40.20, 18.22)
CIE-LCH	lch(51.44, 44.14, 155.62°)
OKLab	oklab(56.75% -0.109 0.0459)
OKLCH	oklch(56.75% 0.118 157.2)
XYZ	xyz(11.9520, 19.6532, 12.8344)
Luminance	0.1966 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B5A #8B2859

analogous

#288B29 #288B5A #288A8B

triadic

#288B5A #5A288B #8B5A28

tetradic

#288B5A #29288B #8B2859 #8A8B28

square

#288B5A #29288B #8B2859 #8A8B28

split-complementary

#288B5A #8B288A #8B2928

monochromatic

#0D2C1C #1A5B3B #288B5A #36BB79 #5DD097

Accessibility & contrast

On white

4.26

#288B5A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#288B5A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B5A

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B5A	#FFFFFF	#000000	##000000
##288B5A	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A8057

Deuteranopia (green-blind)

#7D775D

Tritanopia (blue-blind)

#008A7E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288b5a;
/* rgb */ color: rgb(40, 139, 90);
/* oklch */ color: oklch(56.8% 0.118 157.2);

Tailwind

colors: {
  custom: {
    50: '#70ae89',
    500: '#288b5a',
    950: '#000000',
  },
}

SCSS

$custom: #288b5a;
$custom-light: #70ae89;
$custom-dark: #000000;

JSON

{
  "hex": "#288b5a",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 90
  },
  "hsl": {
    "h": 150.303,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56754,
    "c": 0.11828,
    "h": 157.2
  },
  "luminance": 0.19655
}

Semantic roles & 50–950 ramp

primary

#288B5A

secondary

#B65987

accent

#4993DF

background

#F7FAF8

surface

#EDF4F0

border

#C8CECB

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288B5A

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

Preview Lab → · Contrast checker → · Palette generator →