#288A9D#288A9D

#288A9D is a mid, moderate teal. Relative luminance 0.211; OKLCH L 58.7% C 0.091 H 213.7°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#288A9D
RGB	rgb(40, 138, 157)
HSL	hsl(190, 59%, 39%)
HSV	hsv(190, 75%, 62%)
CMYK	cmyk(74.5%, 12.1%, 0%, 38.4%)
CIE-LAB	lab(53.02, -21.14, -18.16)
CIE-LCH	lch(53.02, 27.86, 220.66°)
OKLab	oklab(58.66% -0.076 -0.0506)
OKLCH	oklch(58.66% 0.091 213.7)
XYZ	xyz(16.0468, 21.0605, 35.1111)
Luminance	0.2106 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A9D #9D3B28

analogous

#289D75 #288A9D #284F9D

triadic

#288A9D #9D288A #8A9D28

tetradic

#288A9D #75289D #9D3B28 #4F9D28

square

#288A9D #75289D #9D3B28 #4F9D28

split-complementary

#288A9D #9D284F #9D7528

monochromatic

#0F343B #1C5F6C #288A9D #36B4CC #67C6D8

Accessibility & contrast

On white

4.03

#288A9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#288A9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A9D

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A9D	#FFFFFF	#000000	##000000
##288A9D	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C859E

Deuteranopia (green-blind)

#6C799D

Tritanopia (blue-blind)

#009190

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #288a9d;
/* rgb */ color: rgb(40, 138, 157);
/* oklch */ color: oklch(58.7% 0.091 213.7);

Tailwind

colors: {
  custom: {
    50: '#74acba',
    500: '#288a9d',
    950: '#000000',
  },
}

SCSS

$custom: #288a9d;
$custom-light: #74acba;
$custom-dark: #000000;

JSON

{
  "hex": "#288a9d",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 157
  },
  "hsl": {
    "h": 189.744,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.58662,
    "c": 0.09128,
    "h": 213.7
  },
  "luminance": 0.21062
}

Semantic roles & 50–950 ramp

primary

#288A9D

secondary

#BE7162

accent

#5F45E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #288A9D

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

Preview Lab → · Contrast checker → · Palette generator →