#288FA1#288FA1

#288FA1 is a mid, moderate teal. Relative luminance 0.227; OKLCH L 60.1% C 0.094 H 212.1°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#288FA1
RGB	rgb(40, 143, 161)
HSL	hsl(189, 60%, 39%)
HSV	hsv(189, 75%, 63%)
CMYK	cmyk(75.2%, 11.2%, 0%, 36.9%)
CIE-LAB	lab(54.73, -22.44, -17.85)
CIE-LCH	lch(54.73, 28.68, 218.50°)
OKLab	oklab(60.09% -0.0794 -0.0497)
OKLCH	oklch(60.09% 0.094 212.1)
XYZ	xyz(17.1278, 22.6672, 37.1838)
Luminance	0.2267 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288FA1 #A13A28

analogous

#28A177 #288FA1 #2852A1

triadic

#288FA1 #A1288F #8FA128

tetradic

#288FA1 #7728A1 #A13A28 #52A128

square

#288FA1 #7728A1 #A13A28 #52A128

split-complementary

#288FA1 #A12852 #A17728

monochromatic

#10383F #1C6370 #288FA1 #39B7CE #6AC9DA

Accessibility & contrast

On white

3.79

#288FA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#288FA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288FA1

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288FA1	#FFFFFF	#000000	##000000
##288FA1	1.00	3.79	5.53	5.53
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818AA2

Deuteranopia (green-blind)

#707EA1

Tritanopia (blue-blind)

#009694

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #288fa1;
/* rgb */ color: rgb(40, 143, 161);
/* oklch */ color: oklch(60.1% 0.094 212.1);

Tailwind

colors: {
  custom: {
    50: '#75b0bc',
    500: '#288fa1',
    950: '#000000',
  },
}

SCSS

$custom: #288fa1;
$custom-light: #75b0bc;
$custom-dark: #000000;

JSON

{
  "hex": "#288fa1",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 161
  },
  "hsl": {
    "h": 188.926,
    "s": 60.199,
    "l": 39.412
  },
  "oklch": {
    "l": 0.60091,
    "c": 0.09369,
    "h": 212.1
  },
  "luminance": 0.22669
}

Semantic roles & 50–950 ramp

primary

#288FA1

secondary

#C07265

accent

#5C44E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #288FA1

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

Preview Lab → · Contrast checker → · Palette generator →