#288257#288257

#288257 is a mid, moderate teal. Relative luminance 0.171; OKLCH L 54.2% C 0.108 H 158.4°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#288257
RGB	rgb(40, 130, 87)
HSL	hsl(151, 53%, 33%)
HSV	hsv(151, 69%, 51%)
CMYK	cmyk(69.2%, 0%, 33.1%, 49%)
CIE-LAB	lab(48.39, -37.04, 15.77)
CIE-LCH	lch(48.39, 40.26, 156.93°)
OKLab	oklab(54.23% -0.1008 0.0399)
OKLCH	oklch(54.23% 0.108 158.4)
XYZ	xyz(10.5770, 17.1033, 11.7588)
Luminance	0.1710 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288257 #822853

analogous

#28822A #288257 #288082

triadic

#288257 #572882 #825728

tetradic

#288257 #2A2882 #822853 #808228

square

#288257 #2A2882 #822853 #808228

split-complementary

#288257 #822880 #822A28

monochromatic

#0B2418 #1A5338 #288257 #36B176 #59CC95

Accessibility & contrast

On white

4.75

#288257 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#288257 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #288257

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288257	#FFFFFF	#000000	##FFFFFF
##288257	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817854

Deuteranopia (green-blind)

#75705A

Tritanopia (blue-blind)

#008177

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #288257;
/* rgb */ color: rgb(40, 130, 87);
/* oklch */ color: oklch(54.2% 0.108 158.4);

Tailwind

colors: {
  custom: {
    50: '#6ea786',
    500: '#288257',
    950: '#000000',
  },
}

SCSS

$custom: #288257;
$custom-light: #6ea786;
$custom-dark: #000000;

JSON

{
  "hex": "#288257",
  "rgb": {
    "r": 40,
    "g": 130,
    "b": 87
  },
  "hsl": {
    "h": 151.333,
    "s": 52.941,
    "l": 33.333
  },
  "oklch": {
    "l": 0.54225,
    "c": 0.10837,
    "h": 158.4
  },
  "luminance": 0.17104
}

Semantic roles & 50–950 ramp

primary

#288257

secondary

#B15581

accent

#4B91DC

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#080F0B

muted

#7B7F7C

Preview Lab

Preview with #288257

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

Preview Lab → · Contrast checker → · Palette generator →