#288B64#288B64

#288B64 is a mid, moderate teal. Relative luminance 0.198; OKLCH L 57.0% C 0.109 H 162.6°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#288B64
RGB	rgb(40, 139, 100)
HSL	hsl(156, 55%, 35%)
HSV	hsv(156, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 28.1%, 45.5%)
CIE-LAB	lab(51.65, -37.96, 12.82)
CIE-LCH	lch(51.65, 40.07, 161.34°)
OKLab	oklab(56.99% -0.104 0.0327)
OKLCH	oklch(56.99% 0.109 162.6)
XYZ	xyz(12.4066, 19.8351, 15.2288)
Luminance	0.1984 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B64 #8B284F

analogous

#288B33 #288B64 #28808B

triadic

#288B64 #64288B #8B6428

tetradic

#288B64 #33288B #8B284F #808B28

square

#288B64 #33288B #8B284F #808B28

split-complementary

#288B64 #8B2880 #8B3328

monochromatic

#0D2C20 #1A5B42 #288B64 #36BB86 #5DD0A3

Accessibility & contrast

On white

4.23

#288B64 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#288B64 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B64

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B64	#FFFFFF	#000000	##000000
##288B64	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#898162

Deuteranopia (green-blind)

#7C7767

Tritanopia (blue-blind)

#008B80

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288b64;
/* rgb */ color: rgb(40, 139, 100);
/* oklch */ color: oklch(57.0% 0.109 162.6);

Tailwind

colors: {
  custom: {
    50: '#70ae90',
    500: '#288b64',
    950: '#000000',
  },
}

SCSS

$custom: #288b64;
$custom-light: #70ae90;
$custom-dark: #000000;

JSON

{
  "hex": "#288b64",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 100
  },
  "hsl": {
    "h": 156.364,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56993,
    "c": 0.10904,
    "h": 162.6
  },
  "luminance": 0.19836
}

Semantic roles & 50–950 ramp

primary

#288B64

secondary

#B6597E

accent

#4984DF

background

#F7FAF8

surface

#EDF4F0

border

#C8CECB

text

#08100C

muted

#7B7F7D

Preview Lab

Preview with #288B64

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

Preview Lab → · Contrast checker → · Palette generator →