#288B5E#288B5E

#288B5E is a mid, moderate teal. Relative luminance 0.197; OKLCH L 56.8% C 0.115 H 159.2°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#288B5E
RGB	rgb(40, 139, 94)
HSL	hsl(153, 55%, 35%)
HSV	hsv(153, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 32.4%, 45.5%)
CIE-LAB	lab(51.52, -39.33, 16.06)
CIE-LCH	lch(51.52, 42.49, 157.78°)
OKLab	oklab(56.85% -0.107 0.0407)
OKLCH	oklch(56.85% 0.115 159.2)
XYZ	xyz(12.1269, 19.7231, 13.7553)
Luminance	0.1973 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B5E #8B2855

analogous

#288B2C #288B5E #28878B

triadic

#288B5E #5E288B #8B5E28

tetradic

#288B5E #2C288B #8B2855 #878B28

square

#288B5E #2C288B #8B2855 #878B28

split-complementary

#288B5E #8B2887 #8B2C28

monochromatic

#0D2C1E #1A5B3E #288B5E #36BB7E #5DD09C

Accessibility & contrast

On white

4.25

#288B5E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#288B5E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B5E

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B5E	#FFFFFF	#000000	##000000
##288B5E	1.00	4.25	4.95	4.95
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89805B

Deuteranopia (green-blind)

#7D7761

Tritanopia (blue-blind)

#008A7F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288b5e;
/* rgb */ color: rgb(40, 139, 94);
/* oklch */ color: oklch(56.8% 0.115 159.2);

Tailwind

colors: {
  custom: {
    50: '#70ae8c',
    500: '#288b5e',
    950: '#000000',
  },
}

SCSS

$custom: #288b5e;
$custom-light: #70ae8c;
$custom-dark: #000000;

JSON

{
  "hex": "#288b5e",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 94
  },
  "hsl": {
    "h": 152.727,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56846,
    "c": 0.1145,
    "h": 159.2
  },
  "luminance": 0.19725
}

Semantic roles & 50–950 ramp

primary

#288B5E

secondary

#B65983

accent

#498DDF

background

#F7FAF8

surface

#EDF4F0

border

#C8CECB

text

#08100C

muted

#7B7F7D

Preview Lab

Preview with #288B5E

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

Preview Lab → · Contrast checker → · Palette generator →