#288DA1#288DA1

#288DA1 is a mid, moderate teal. Relative luminance 0.221; OKLCH L 59.6% C 0.093 H 214.1°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#288DA1
RGB	rgb(40, 141, 161)
HSL	hsl(190, 60%, 39%)
HSV	hsv(190, 75%, 63%)
CMYK	cmyk(75.2%, 12.4%, 0%, 36.9%)
CIE-LAB	lab(54.10, -21.40, -18.80)
CIE-LCH	lch(54.10, 28.49, 221.31°)
OKLab	oklab(59.59% -0.0774 -0.0524)
OKLCH	oklch(59.59% 0.093 214.1)
XYZ	xyz(16.8302, 22.0721, 37.0846)
Luminance	0.2207 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288DA1 #A13C28

analogous

#28A179 #288DA1 #2851A1

triadic

#288DA1 #A1288D #8DA128

tetradic

#288DA1 #7928A1 #A13C28 #51A128

square

#288DA1 #7928A1 #A13C28 #51A128

split-complementary

#288DA1 #A12851 #A17928

monochromatic

#10373F #1C6270 #288DA1 #39B5CE #6AC7DA

Accessibility & contrast

On white

3.88

#288DA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#288DA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288DA1

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288DA1	#FFFFFF	#000000	##000000
##288DA1	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F88A2

Deuteranopia (green-blind)

#6E7CA1

Tritanopia (blue-blind)

#009593

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #288da1;
/* rgb */ color: rgb(40, 141, 161);
/* oklch */ color: oklch(59.6% 0.093 214.1);

Tailwind

colors: {
  custom: {
    50: '#75aebc',
    500: '#288da1',
    950: '#000000',
  },
}

SCSS

$custom: #288da1;
$custom-light: #75aebc;
$custom-dark: #000000;

JSON

{
  "hex": "#288da1",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 161
  },
  "hsl": {
    "h": 189.917,
    "s": 60.199,
    "l": 39.412
  },
  "oklch": {
    "l": 0.59588,
    "c": 0.09346,
    "h": 214.1
  },
  "luminance": 0.22074
}

Semantic roles & 50–950 ramp

primary

#288DA1

secondary

#C07465

accent

#5F44E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #288DA1

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

Preview Lab → · Contrast checker → · Palette generator →