#287E8A#287E8A

#287E8A is a mid, moderate teal. Relative luminance 0.172; OKLCH L 54.8% C 0.081 H 208.4°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#287E8A
RGB	rgb(40, 126, 138)
HSL	hsl(187, 55%, 35%)
HSV	hsv(187, 71%, 54%)
CMYK	cmyk(71%, 8.7%, 0%, 45.9%)
CIE-LAB	lab(48.52, -21.00, -13.91)
CIE-LCH	lch(48.52, 25.19, 213.52°)
OKLab	oklab(54.81% -0.0715 -0.0386)
OKLCH	oklch(54.81% 0.081 208.4)
XYZ	xyz(12.9214, 17.2063, 26.6800)
Luminance	0.1721 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287E8A #8A3428

analogous

#288A65 #287E8A #284D8A

triadic

#287E8A #8A287E #7E8A28

tetradic

#287E8A #65288A #8A3428 #4D8A28

square

#287E8A #65288A #8A3428 #4D8A28

split-complementary

#287E8A #8A284D #8A6528

monochromatic

#0C272B #1A535B #287E8A #36A9B9 #5DC2D0

Accessibility & contrast

On white

4.73

#287E8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#287E8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287E8A

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287E8A	#FFFFFF	#000000	##FFFFFF
##287E8A	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#73798B

Deuteranopia (green-blind)

#656F8A

Tritanopia (blue-blind)

#008482

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #287e8a;
/* rgb */ color: rgb(40, 126, 138);
/* oklch */ color: oklch(54.8% 0.081 208.4);

Tailwind

colors: {
  custom: {
    50: '#70a3ac',
    500: '#287e8a',
    950: '#000000',
  },
}

SCSS

$custom: #287e8a;
$custom-light: #70a3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#287e8a",
  "rgb": {
    "r": 40,
    "g": 126,
    "b": 138
  },
  "hsl": {
    "h": 187.347,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.54806,
    "c": 0.0813,
    "h": 208.4
  },
  "luminance": 0.17208
}

Semantic roles & 50–950 ramp

primary

#287E8A

secondary

#B56459

accent

#5C49DE

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #287E8A

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

Preview Lab → · Contrast checker → · Palette generator →