#288F9F#288F9F

#288F9F is a mid, moderate teal. Relative luminance 0.226; OKLCH L 60.0% C 0.093 H 210.2°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#288F9F
RGB	rgb(40, 143, 159)
HSL	hsl(188, 60%, 39%)
HSV	hsv(188, 75%, 62%)
CMYK	cmyk(74.8%, 10.1%, 0%, 37.6%)
CIE-LAB	lab(54.66, -23.10, -16.81)
CIE-LCH	lch(54.66, 28.57, 216.05°)
OKLab	oklab(60.01% -0.0803 -0.0468)
OKLCH	oklch(60.01% 0.093 210.2)
XYZ	xyz(16.9528, 22.5972, 36.2624)
Luminance	0.2260 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F9F #9F3828

analogous

#289F74 #288F9F #28549F

triadic

#288F9F #9F288F #8F9F28

tetradic

#288F9F #74289F #9F3828 #549F28

square

#288F9F #74289F #9F3828 #549F28

split-complementary

#288F9F #9F2854 #9F7428

monochromatic

#0F373D #1C636E #288F9F #37B9CD #68CAD9

Accessibility & contrast

On white

3.80

#288F9F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#288F9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F9F

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F9F	#FFFFFF	#000000	##000000
##288F9F	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818AA0

Deuteranopia (green-blind)

#717E9F

Tritanopia (blue-blind)

#009694

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #288f9f;
/* rgb */ color: rgb(40, 143, 159);
/* oklch */ color: oklch(60.0% 0.093 210.2);

Tailwind

colors: {
  custom: {
    50: '#75b0bb',
    500: '#288f9f',
    950: '#000000',
  },
}

SCSS

$custom: #288f9f;
$custom-light: #75b0bb;
$custom-dark: #000000;

JSON

{
  "hex": "#288f9f",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 159
  },
  "hsl": {
    "h": 188.067,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.60008,
    "c": 0.09291,
    "h": 210.2
  },
  "luminance": 0.22599
}

Semantic roles & 50–950 ramp

primary

#288F9F

secondary

#BF7064

accent

#5A45E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #288F9F

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

Preview Lab → · Contrast checker → · Palette generator →