#287F8B#287F8B

#287F8B is a mid, moderate teal. Relative luminance 0.175; OKLCH L 55.1% C 0.082 H 208.3°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#287F8B
RGB	rgb(40, 127, 139)
HSL	hsl(187, 55%, 35%)
HSV	hsv(187, 71%, 55%)
CMYK	cmyk(71.2%, 8.6%, 0%, 45.5%)
CIE-LAB	lab(48.87, -21.21, -13.96)
CIE-LCH	lch(48.87, 25.39, 213.36°)
OKLab	oklab(55.1% -0.0722 -0.0388)
OKLCH	oklch(55.1% 0.082 208.3)
XYZ	xyz(13.1226, 17.4924, 27.1059)
Luminance	0.1749 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287F8B #8B3428

analogous

#288B66 #287F8B #284D8B

triadic

#287F8B #8B287F #7F8B28

tetradic

#287F8B #66288B #8B3428 #4D8B28

square

#287F8B #66288B #8B3428 #4D8B28

split-complementary

#287F8B #8B284D #8B6628

monochromatic

#0D282C #1A545B #287F8B #36AABB #5DC2D0

Accessibility & contrast

On white

4.67

#287F8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#287F8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #287F8B

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287F8B	#FFFFFF	#000000	##FFFFFF
##287F8B	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#747A8C

Deuteranopia (green-blind)

#66708B

Tritanopia (blue-blind)

#008583

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #287f8b;
/* rgb */ color: rgb(40, 127, 139);
/* oklch */ color: oklch(55.1% 0.082 208.3);

Tailwind

colors: {
  custom: {
    50: '#71a4ac',
    500: '#287f8b',
    950: '#000000',
  },
}

SCSS

$custom: #287f8b;
$custom-light: #71a4ac;
$custom-dark: #000000;

JSON

{
  "hex": "#287f8b",
  "rgb": {
    "r": 40,
    "g": 127,
    "b": 139
  },
  "hsl": {
    "h": 187.273,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.55104,
    "c": 0.08193,
    "h": 208.3
  },
  "luminance": 0.17494
}

Semantic roles & 50–950 ramp

primary

#287F8B

secondary

#B66459

accent

#5B49DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #287F8B

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

Preview Lab → · Contrast checker → · Palette generator →