#288D9E#288D9E

#288D9E is a mid, moderate teal. Relative luminance 0.220; OKLCH L 59.5% C 0.092 H 211.4°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#288D9E
RGB	rgb(40, 141, 158)
HSL	hsl(189, 60%, 39%)
HSV	hsv(189, 75%, 62%)
CMYK	cmyk(74.7%, 10.8%, 0%, 38%)
CIE-LAB	lab(53.99, -22.38, -17.24)
CIE-LCH	lch(53.99, 28.25, 217.61°)
OKLab	oklab(59.46% -0.0786 -0.048)
OKLCH	oklch(59.46% 0.092 211.4)
XYZ	xyz(16.5688, 21.9675, 35.7080)
Luminance	0.2197 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D9E #9E3928

analogous

#289E74 #288D9E #28529E

triadic

#288D9E #9E288D #8D9E28

tetradic

#288D9E #74289E #9E3928 #529E28

square

#288D9E #74289E #9E3928 #529E28

split-complementary

#288D9E #9E2852 #9E7428

monochromatic

#0F363C #1C616D #288D9E #37B7CC #68C8D9

Accessibility & contrast

On white

3.89

#288D9E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#288D9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D9E

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D9E	#FFFFFF	#000000	##000000
##288D9E	1.00	3.89	5.39	5.39
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F889F

Deuteranopia (green-blind)

#6F7C9E

Tritanopia (blue-blind)

#009492

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #288d9e;
/* rgb */ color: rgb(40, 141, 158);
/* oklch */ color: oklch(59.5% 0.092 211.4);

Tailwind

colors: {
  custom: {
    50: '#75aeba',
    500: '#288d9e',
    950: '#000000',
  },
}

SCSS

$custom: #288d9e;
$custom-light: #75aeba;
$custom-dark: #000000;

JSON

{
  "hex": "#288d9e",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 158
  },
  "hsl": {
    "h": 188.644,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.59462,
    "c": 0.09214,
    "h": 211.4
  },
  "luminance": 0.21969
}

Semantic roles & 50–950 ramp

primary

#288D9E

secondary

#BF7063

accent

#5C45E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #288D9E

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

Preview Lab → · Contrast checker → · Palette generator →