#288E63#288E63

#288E63 is a mid, moderate teal. Relative luminance 0.207; OKLCH L 57.8% C 0.114 H 160.8°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#288E63
RGB	rgb(40, 142, 99)
HSL	hsl(155, 56%, 36%)
HSV	hsv(155, 72%, 56%)
CMYK	cmyk(71.8%, 0%, 30.3%, 44.3%)
CIE-LAB	lab(52.62, -39.48, 14.73)
CIE-LCH	lch(52.62, 42.14, 159.54°)
OKLab	oklab(57.78% -0.1077 0.0374)
OKLCH	oklch(57.78% 0.114 160.8)
XYZ	xyz(12.7989, 20.6965, 15.1223)
Luminance	0.2070 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E63 #8E2853

analogous

#288E30 #288E63 #28868E

triadic

#288E63 #63288E #8E6328

tetradic

#288E63 #30288E #8E2853 #868E28

square

#288E63 #30288E #8E2853 #868E28

split-complementary

#288E63 #8E2886 #8E3028

monochromatic

#0D2F20 #1B5E42 #288E63 #35BE84 #5FD2A1

Accessibility & contrast

On white

4.09

#288E63 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#288E63 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E63

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E63	#FFFFFF	#000000	##000000
##288E63	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C8360

Deuteranopia (green-blind)

#7F7A66

Tritanopia (blue-blind)

#008E82

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288e63;
/* rgb */ color: rgb(40, 142, 99);
/* oklch */ color: oklch(57.8% 0.114 160.8);

Tailwind

colors: {
  custom: {
    50: '#70b08f',
    500: '#288e63',
    950: '#000000',
  },
}

SCSS

$custom: #288e63;
$custom-light: #70b08f;
$custom-dark: #000000;

JSON

{
  "hex": "#288e63",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 99
  },
  "hsl": {
    "h": 154.706,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57779,
    "c": 0.11405,
    "h": 160.8
  },
  "luminance": 0.20698
}

Semantic roles & 50–950 ramp

primary

#288E63

secondary

#B75B82

accent

#4888DF

background

#F7FAF8

surface

#EDF5F0

border

#C8CFCB

text

#08100C

muted

#7B7F7D

Preview Lab

Preview with #288E63

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

Preview Lab → · Contrast checker → · Palette generator →