#288E9F#288E9F

#288E9F is a mid, moderate teal. Relative luminance 0.223; OKLCH L 59.8% C 0.093 H 211.3°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#288E9F
RGB	rgb(40, 142, 159)
HSL	hsl(189, 60%, 39%)
HSV	hsv(189, 75%, 62%)
CMYK	cmyk(74.8%, 10.7%, 0%, 37.6%)
CIE-LAB	lab(54.34, -22.58, -17.29)
CIE-LCH	lch(54.34, 28.44, 217.44°)
OKLab	oklab(59.76% -0.0792 -0.0481)
OKLCH	oklch(59.76% 0.093 211.3)
XYZ	xyz(16.8034, 22.2983, 36.2126)
Luminance	0.2230 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E9F #9F3928

analogous

#289F75 #288E9F #28539F

triadic

#288E9F #9F288E #8E9F28

tetradic

#288E9F #75289F #9F3928 #539F28

square

#288E9F #75289F #9F3928 #539F28

split-complementary

#288E9F #9F2853 #9F7528

monochromatic

#0F373D #1C626E #288E9F #37B7CD #68C9D9

Accessibility & contrast

On white

3.85

#288E9F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#288E9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E9F

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E9F	#FFFFFF	#000000	##000000
##288E9F	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8089A0

Deuteranopia (green-blind)

#707D9F

Tritanopia (blue-blind)

#009593

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #288e9f;
/* rgb */ color: rgb(40, 142, 159);
/* oklch */ color: oklch(59.8% 0.093 211.3);

Tailwind

colors: {
  custom: {
    50: '#75afbb',
    500: '#288e9f',
    950: '#000000',
  },
}

SCSS

$custom: #288e9f;
$custom-light: #75afbb;
$custom-dark: #000000;

JSON

{
  "hex": "#288e9f",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 159
  },
  "hsl": {
    "h": 188.571,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.59756,
    "c": 0.09271,
    "h": 211.3
  },
  "luminance": 0.223
}

Semantic roles & 50–950 ramp

primary

#288E9F

secondary

#BF7164

accent

#5B45E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #288E9F

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

Preview Lab → · Contrast checker → · Palette generator →