#288C7B#288C7B

#288C7B is a mid, moderate teal. Relative luminance 0.206; OKLCH L 57.9% C 0.094 H 178.9°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#288C7B
RGB	rgb(40, 140, 123)
HSL	hsl(170, 56%, 35%)
HSV	hsv(170, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 12.1%, 45.1%)
CIE-LAB	lab(52.55, -32.50, 0.85)
CIE-LCH	lch(52.55, 32.51, 178.51°)
OKLab	oklab(57.92% -0.0937 0.0017)
OKLCH	oklch(57.92% 0.094 178.9)
XYZ	xyz(13.8266, 20.6357, 21.9895)
Luminance	0.2064 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C7B #8C2839

analogous

#288C49 #288C7B #286B8C

triadic

#288C7B #7B288C #8C7B28

tetradic

#288C7B #49288C #8C2839 #6B8C28

square

#288C7B #49288C #8C2839 #6B8C28

split-complementary

#288C7B #8C286B #8C4928

monochromatic

#0D2D27 #1A5C51 #288C7B #36BCA5 #5ED1BD

Accessibility & contrast

On white

4.10

#288C7B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#288C7B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C7B

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C7B	#FFFFFF	#000000	##000000
##288C7B	1.00	4.10	5.13	5.13
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86837A

Deuteranopia (green-blind)

#78797C

Tritanopia (blue-blind)

#008E87

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288c7b;
/* rgb */ color: rgb(40, 140, 123);
/* oklch */ color: oklch(57.9% 0.094 178.9);

Tailwind

colors: {
  custom: {
    50: '#71aea1',
    500: '#288c7b',
    950: '#000000',
  },
}

SCSS

$custom: #288c7b;
$custom-light: #71aea1;
$custom-dark: #000000;

JSON

{
  "hex": "#288c7b",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 123
  },
  "hsl": {
    "h": 169.8,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.57917,
    "c": 0.09369,
    "h": 178.9
  },
  "luminance": 0.20637
}

Semantic roles & 50–950 ramp

primary

#288C7B

secondary

#B65A69

accent

#4962DF

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#09100E

muted

#7B7F7E

Preview Lab

Preview with #288C7B

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

Preview Lab → · Contrast checker → · Palette generator →