#287DA0#287DA0

#287DA0 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.5% C 0.095 H 229.9°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#287DA0
RGB	rgb(40, 125, 160)
HSL	hsl(198, 60%, 39%)
HSV	hsv(198, 75%, 63%)
CMYK	cmyk(75%, 21.9%, 0%, 37.3%)
CIE-LAB	lab(49.07, -13.01, -25.96)
CIE-LCH	lch(49.07, 29.04, 243.37°)
OKLab	oklab(55.54% -0.0615 -0.0729)
OKLCH	oklch(55.54% 0.095 229.9)
XYZ	xyz(14.5513, 17.6547, 35.8917)
Luminance	0.1766 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287DA0 #A04B28

analogous

#28A087 #287DA0 #2841A0

triadic

#287DA0 #A0287D #7DA028

tetradic

#287DA0 #8728A0 #A04B28 #41A028

square

#287DA0 #8728A0 #A04B28 #41A028

split-complementary

#287DA0 #A02841 #A08728

monochromatic

#10313E #1C576F #287DA0 #38A2CD #69B9D9

Accessibility & contrast

On white

4.63

#287DA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#287DA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #287DA0

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287DA0	#FFFFFF	#000000	##FFFFFF
##287DA0	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7BA2

Deuteranopia (green-blind)

#5B70A0

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #287da0;
/* rgb */ color: rgb(40, 125, 160);
/* oklch */ color: oklch(55.5% 0.095 229.9);

Tailwind

colors: {
  custom: {
    50: '#73a2bc',
    500: '#287da0',
    950: '#000000',
  },
}

SCSS

$custom: #287da0;
$custom-light: #73a2bc;
$custom-dark: #000000;

JSON

{
  "hex": "#287da0",
  "rgb": {
    "r": 40,
    "g": 125,
    "b": 160
  },
  "hsl": {
    "h": 197.5,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.5554,
    "c": 0.09539,
    "h": 229.9
  },
  "luminance": 0.17656
}

Semantic roles & 50–950 ramp

primary

#287DA0

secondary

#C07F64

accent

#7345E3

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #287DA0

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

Preview Lab → · Contrast checker → · Palette generator →