#287580#287580

#287580 is a mid, moderate teal. Relative luminance 0.147; OKLCH L 52.1% C 0.075 H 208.5°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#287580
RGB	rgb(40, 117, 128)
HSL	hsl(188, 52%, 33%)
HSV	hsv(188, 69%, 50%)
CMYK	cmyk(68.8%, 8.6%, 0%, 49.8%)
CIE-LAB	lab(45.26, -19.44, -12.92)
CIE-LCH	lch(45.26, 23.34, 213.61°)
OKLab	oklab(52.06% -0.0661 -0.0359)
OKLCH	oklch(52.06% 0.075 208.5)
XYZ	xyz(11.1310, 14.7310, 22.6746)
Luminance	0.1473 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287580 #803328

analogous

#28805F #287580 #284980

triadic

#287580 #802875 #758028

tetradic

#287580 #5F2880 #803328 #498028

square

#287580 #5F2880 #803328 #498028

split-complementary

#287580 #802849 #805F28

monochromatic

#0B2023 #194A51 #287580 #37A0AF #58BCCB

Accessibility & contrast

On white

5.32

#287580 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#287580 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287580

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287580	#FFFFFF	#000000	##FFFFFF
##287580	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7181

Deuteranopia (green-blind)

#5E6780

Tritanopia (blue-blind)

#007A78

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #287580;
/* rgb */ color: rgb(40, 117, 128);
/* oklch */ color: oklch(52.1% 0.075 208.5);

Tailwind

colors: {
  custom: {
    50: '#6e9da4',
    500: '#287580',
    950: '#000000',
  },
}

SCSS

$custom: #287580;
$custom-light: #6e9da4;
$custom-dark: #000000;

JSON

{
  "hex": "#287580",
  "rgb": {
    "r": 40,
    "g": 117,
    "b": 128
  },
  "hsl": {
    "h": 187.5,
    "s": 52.381,
    "l": 32.941
  },
  "oklch": {
    "l": 0.5206,
    "c": 0.07521,
    "h": 208.5
  },
  "luminance": 0.14732
}

Semantic roles & 50–950 ramp

primary

#287580

secondary

#B05F54

accent

#5E4CDC

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E0F

muted

#7B7E7F

Preview Lab

Preview with #287580

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

Preview Lab → · Contrast checker → · Palette generator →