#288A5C#288A5C

#288A5C is a mid, moderate teal. Relative luminance 0.194; OKLCH L 56.5% C 0.115 H 158.5°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#288A5C
RGB	rgb(40, 138, 92)
HSL	hsl(152, 55%, 35%)
HSV	hsv(152, 71%, 54%)
CMYK	cmyk(71%, 0%, 33.3%, 45.9%)
CIE-LAB	lab(51.15, -39.35, 16.69)
CIE-LCH	lch(51.15, 42.75, 157.02°)
OKLab	oklab(56.53% -0.1069 0.0422)
OKLCH	oklch(56.53% 0.115 158.5)
XYZ	xyz(11.8942, 19.3995, 13.2408)
Luminance	0.1940 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A5C #8A2856

analogous

#288A2B #288A5C #28878A

triadic

#288A5C #5C288A #8A5C28

tetradic

#288A5C #2B288A #8A2856 #878A28

square

#288A5C #2B288A #8A2856 #878A28

split-complementary

#288A5C #8A2887 #8A2B28

monochromatic

#0C2B1D #1A5B3C #288A5C #36B97C #5DD09A

Accessibility & contrast

On white

4.30

#288A5C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#288A5C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A5C

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A5C	#FFFFFF	#000000	##000000
##288A5C	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897F59

Deuteranopia (green-blind)

#7C765F

Tritanopia (blue-blind)

#00897E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288a5c;
/* rgb */ color: rgb(40, 138, 92);
/* oklch */ color: oklch(56.5% 0.115 158.5);

Tailwind

colors: {
  custom: {
    50: '#6fad8a',
    500: '#288a5c',
    950: '#000000',
  },
}

SCSS

$custom: #288a5c;
$custom-light: #6fad8a;
$custom-dark: #000000;

JSON

{
  "hex": "#288a5c",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 92
  },
  "hsl": {
    "h": 151.837,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56528,
    "c": 0.11497,
    "h": 158.5
  },
  "luminance": 0.19401
}

Semantic roles & 50–950 ramp

primary

#288A5C

secondary

#B55984

accent

#498FDE

background

#F7FAF8

surface

#EDF4F0

border

#C8CECB

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288A5C

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

Preview Lab → · Contrast checker → · Palette generator →