#288E90#288E90

#288E90 is a mid, moderate teal. Relative luminance 0.218; OKLCH L 59.2% C 0.090 H 196.9°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#288E90
RGB	rgb(40, 142, 144)
HSL	hsl(181, 57%, 36%)
HSV	hsv(181, 72%, 56%)
CMYK	cmyk(72.2%, 1.4%, 0%, 43.5%)
CIE-LAB	lab(53.82, -27.33, -9.42)
CIE-LCH	lch(53.82, 28.90, 199.02°)
OKLab	oklab(59.16% -0.0858 -0.0262)
OKLCH	oklch(59.16% 0.09 196.9)
XYZ	xyz(15.5798, 21.8089, 29.7686)
Luminance	0.2181 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E90 #902A28

analogous

#28905E #288E90 #285A90

triadic

#288E90 #90288E #8E9028

tetradic

#288E90 #5E2890 #902A28 #5A9028

square

#288E90 #5E2890 #902A28 #5A9028

split-complementary

#288E90 #90285A #905E28

monochromatic

#0D3030 #1B5F60 #288E90 #35BDC0 #60D1D3

Accessibility & contrast

On white

3.92

#288E90 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#288E90 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E90

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E90	#FFFFFF	#000000	##000000
##288E90	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#848790

Deuteranopia (green-blind)

#757C91

Tritanopia (blue-blind)

#00938E

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #288e90;
/* rgb */ color: rgb(40, 142, 144);
/* oklch */ color: oklch(59.2% 0.090 196.9);

Tailwind

colors: {
  custom: {
    50: '#73afb0',
    500: '#288e90',
    950: '#000000',
  },
}

SCSS

$custom: #288e90;
$custom-light: #73afb0;
$custom-dark: #000000;

JSON

{
  "hex": "#288e90",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 144
  },
  "hsl": {
    "h": 181.154,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.59164,
    "c": 0.08975,
    "h": 196.9
  },
  "luminance": 0.21811
}

Semantic roles & 50–950 ramp

primary

#288E90

secondary

#B85D5C

accent

#4B48E0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288E90

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

Preview Lab → · Contrast checker → · Palette generator →