#287E8B#287E8B

#287E8B is a mid, moderate teal. Relative luminance 0.172; OKLCH L 54.8% C 0.082 H 209.5°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#287E8B
RGB	rgb(40, 126, 139)
HSL	hsl(188, 55%, 35%)
HSV	hsv(188, 71%, 55%)
CMYK	cmyk(71.2%, 9.4%, 0%, 45.5%)
CIE-LAB	lab(48.56, -20.68, -14.45)
CIE-LCH	lch(48.56, 25.23, 214.94°)
OKLab	oklab(54.85% -0.0711 -0.0401)
OKLCH	oklch(54.85% 0.082 209.5)
XYZ	xyz(12.9941, 17.2354, 27.0630)
Luminance	0.1724 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287E8B #8B3528

analogous

#288B67 #287E8B #284C8B

triadic

#287E8B #8B287E #7E8B28

tetradic

#287E8B #67288B #8B3528 #4C8B28

square

#287E8B #67288B #8B3528 #4C8B28

split-complementary

#287E8B #8B284C #8B6728

monochromatic

#0D282C #1A535B #287E8B #36A9BB #5DC1D0

Accessibility & contrast

On white

4.72

#287E8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#287E8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287E8B

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287E8B	#FFFFFF	#000000	##FFFFFF
##287E8B	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#73798C

Deuteranopia (green-blind)

#646F8B

Tritanopia (blue-blind)

#008482

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #287e8b;
/* rgb */ color: rgb(40, 126, 139);
/* oklch */ color: oklch(54.8% 0.082 209.5);

Tailwind

colors: {
  custom: {
    50: '#71a3ac',
    500: '#287e8b',
    950: '#000000',
  },
}

SCSS

$custom: #287e8b;
$custom-light: #71a3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#287e8b",
  "rgb": {
    "r": 40,
    "g": 126,
    "b": 139
  },
  "hsl": {
    "h": 187.879,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.54847,
    "c": 0.08164,
    "h": 209.5
  },
  "luminance": 0.17237
}

Semantic roles & 50–950 ramp

primary

#287E8B

secondary

#B66559

accent

#5D49DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #287E8B

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

Preview Lab → · Contrast checker → · Palette generator →