#288D63#288D63

#288D63 is a mid, moderate teal. Relative luminance 0.204; OKLCH L 57.5% C 0.113 H 161.2°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#288D63
RGB	rgb(40, 141, 99)
HSL	hsl(155, 56%, 35%)
HSV	hsv(155, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 29.8%, 44.7%)
CIE-LAB	lab(52.29, -39.05, 14.28)
CIE-LCH	lch(52.29, 41.58, 159.92°)
OKLab	oklab(57.51% -0.1067 0.0363)
OKLCH	oklch(57.51% 0.113 161.2)
XYZ	xyz(12.6508, 20.4003, 15.0729)
Luminance	0.2040 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D63 #8D2852

analogous

#288D31 #288D63 #28848D

triadic

#288D63 #63288D #8D6328

tetradic

#288D63 #31288D #8D2852 #848D28

square

#288D63 #31288D #8D2852 #848D28

split-complementary

#288D63 #8D2884 #8D3128

monochromatic

#0D2E20 #1A5D42 #288D63 #36BD84 #5ED1A1

Accessibility & contrast

On white

4.13

#288D63 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#288D63 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D63

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D63	#FFFFFF	#000000	##000000
##288D63	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B8261

Deuteranopia (green-blind)

#7E7966

Tritanopia (blue-blind)

#008D82

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288d63;
/* rgb */ color: rgb(40, 141, 99);
/* oklch */ color: oklch(57.5% 0.113 161.2);

Tailwind

colors: {
  custom: {
    50: '#70af8f',
    500: '#288d63',
    950: '#000000',
  },
}

SCSS

$custom: #288d63;
$custom-light: #70af8f;
$custom-dark: #000000;

JSON

{
  "hex": "#288d63",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 99
  },
  "hsl": {
    "h": 155.05,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57508,
    "c": 0.11267,
    "h": 161.2
  },
  "luminance": 0.20402
}

Semantic roles & 50–950 ramp

primary

#288D63

secondary

#B75A81

accent

#4987DF

background

#F7FAF8

surface

#EDF5F0

border

#C8CFCB

text

#08100C

muted

#7B7F7D

Preview Lab

Preview with #288D63

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

Preview Lab → · Contrast checker → · Palette generator →