#288FA0#288FA0

#288FA0 is a mid, moderate teal. Relative luminance 0.226; OKLCH L 60.0% C 0.093 H 211.2°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#288FA0
RGB	rgb(40, 143, 160)
HSL	hsl(189, 60%, 39%)
HSV	hsv(189, 75%, 63%)
CMYK	cmyk(75%, 10.6%, 0%, 37.3%)
CIE-LAB	lab(54.69, -22.77, -17.33)
CIE-LCH	lch(54.69, 28.62, 217.28°)
OKLab	oklab(60.05% -0.0798 -0.0483)
OKLCH	oklch(60.05% 0.093 211.2)
XYZ	xyz(17.0400, 22.6321, 36.7212)
Luminance	0.2263 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288FA0 #A03928

analogous

#28A075 #288FA0 #2853A0

triadic

#288FA0 #A0288F #8FA028

tetradic

#288FA0 #7528A0 #A03928 #53A028

square

#288FA0 #7528A0 #A03928 #53A028

split-complementary

#288FA0 #A02853 #A07528

monochromatic

#10373E #1C636F #288FA0 #38B8CD #69CAD9

Accessibility & contrast

On white

3.80

#288FA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#288FA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288FA0

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288FA0	#FFFFFF	#000000	##000000
##288FA0	1.00	3.80	5.53	5.53
#FFFFFF	3.80	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)

#818AA1

Deuteranopia (green-blind)

#717EA0

Tritanopia (blue-blind)

#009694

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #288fa0;
/* rgb */ color: rgb(40, 143, 160);
/* oklch */ color: oklch(60.0% 0.093 211.2);

Tailwind

colors: {
  custom: {
    50: '#75b0bc',
    500: '#288fa0',
    950: '#000000',
  },
}

SCSS

$custom: #288fa0;
$custom-light: #75b0bc;
$custom-dark: #000000;

JSON

{
  "hex": "#288fa0",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 160
  },
  "hsl": {
    "h": 188.5,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.60049,
    "c": 0.09328,
    "h": 211.2
  },
  "luminance": 0.22634
}

Semantic roles & 50–950 ramp

primary

#288FA0

secondary

#C07164

accent

#5B45E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #288FA0

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

Preview Lab → · Contrast checker → · Palette generator →