#288E9E#288E9E

#288E9E is a mid, moderate teal. Relative luminance 0.223; OKLCH L 59.7% C 0.092 H 210.4°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#288E9E
RGB	rgb(40, 142, 158)
HSL	hsl(188, 60%, 39%)
HSV	hsv(188, 75%, 62%)
CMYK	cmyk(74.7%, 10.1%, 0%, 38%)
CIE-LAB	lab(54.31, -22.90, -16.77)
CIE-LCH	lch(54.31, 28.38, 216.21°)
OKLab	oklab(59.71% -0.0797 -0.0467)
OKLCH	oklch(59.71% 0.092 210.4)
XYZ	xyz(16.7170, 22.2637, 35.7574)
Luminance	0.2227 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E9E #9E3828

analogous

#289E73 #288E9E #28539E

triadic

#288E9E #9E288E #8E9E28

tetradic

#288E9E #73289E #9E3828 #539E28

square

#288E9E #73289E #9E3828 #539E28

split-complementary

#288E9E #9E2853 #9E7328

monochromatic

#0F363C #1C626D #288E9E #37B8CC #68C9D9

Accessibility & contrast

On white

3.85

#288E9E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#288E9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E9E

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E9E	#FFFFFF	#000000	##000000
##288E9E	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81899F

Deuteranopia (green-blind)

#707D9E

Tritanopia (blue-blind)

#009593

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #288e9e;
/* rgb */ color: rgb(40, 142, 158);
/* oklch */ color: oklch(59.7% 0.092 210.4);

Tailwind

colors: {
  custom: {
    50: '#75afba',
    500: '#288e9e',
    950: '#000000',
  },
}

SCSS

$custom: #288e9e;
$custom-light: #75afba;
$custom-dark: #000000;

JSON

{
  "hex": "#288e9e",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 158
  },
  "hsl": {
    "h": 188.136,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.59714,
    "c": 0.09232,
    "h": 210.4
  },
  "luminance": 0.22266
}

Semantic roles & 50–950 ramp

primary

#288E9E

secondary

#BF6F63

accent

#5A45E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #288E9E

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

Preview Lab → · Contrast checker → · Palette generator →