#288F63#288F63

#288F63 is a mid, moderate teal. Relative luminance 0.210; OKLCH L 58.0% C 0.115 H 160.5°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#288F63
RGB	rgb(40, 143, 99)
HSL	hsl(154, 56%, 36%)
HSV	hsv(154, 72%, 56%)
CMYK	cmyk(72%, 0%, 30.8%, 43.9%)
CIE-LAB	lab(52.94, -39.90, 15.18)
CIE-LCH	lch(52.94, 42.69, 159.17°)
OKLab	oklab(58.05% -0.1088 0.0385)
OKLCH	oklch(58.05% 0.115 160.5)
XYZ	xyz(12.9483, 20.9954, 15.1721)
Luminance	0.2100 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F63 #8F2854

analogous

#288F2F #288F63 #28878F

triadic

#288F63 #63288F #8F6328

tetradic

#288F63 #2F288F #8F2854 #878F28

square

#288F63 #2F288F #8F2854 #878F28

split-complementary

#288F63 #8F2887 #8F2F28

monochromatic

#0D2F21 #1B5F42 #288F63 #35BF84 #5FD2A1

Accessibility & contrast

On white

4.04

#288F63 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#288F63 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F63

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F63	#FFFFFF	#000000	##000000
##288F63	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D8460

Deuteranopia (green-blind)

#807B66

Tritanopia (blue-blind)

#008E83

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288f63;
/* rgb */ color: rgb(40, 143, 99);
/* oklch */ color: oklch(58.0% 0.115 160.5);

Tailwind

colors: {
  custom: {
    50: '#71b08f',
    500: '#288f63',
    950: '#000000',
  },
}

SCSS

$custom: #288f63;
$custom-light: #71b08f;
$custom-dark: #000000;

JSON

{
  "hex": "#288f63",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 99
  },
  "hsl": {
    "h": 154.369,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.58049,
    "c": 0.11543,
    "h": 160.5
  },
  "luminance": 0.20997
}

Semantic roles & 50–950 ramp

primary

#288F63

secondary

#B85B83

accent

#4889E0

background

#F7FAF8

surface

#EDF5F0

border

#C8CFCB

text

#09110C

muted

#7B807D

Preview Lab

Preview with #288F63

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

Preview Lab → · Contrast checker → · Palette generator →