#287AA0#287AA0

#287AA0 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.8% C 0.097 H 232.8°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#287AA0
RGB	rgb(40, 122, 160)
HSL	hsl(199, 60%, 39%)
HSV	hsv(199, 75%, 63%)
CMYK	cmyk(75%, 23.7%, 0%, 37.3%)
CIE-LAB	lab(48.14, -11.31, -27.41)
CIE-LCH	lch(48.14, 29.65, 247.58°)
OKLab	oklab(54.8% -0.0585 -0.0771)
OKLCH	oklch(54.8% 0.097 232.8)
XYZ	xyz(14.1772, 16.9066, 35.7670)
Luminance	0.1691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287AA0 #A04E28

analogous

#28A08A #287AA0 #283EA0

triadic

#287AA0 #A0287A #7AA028

tetradic

#287AA0 #8A28A0 #A04E28 #3EA028

square

#287AA0 #8A28A0 #A04E28 #3EA028

split-complementary

#287AA0 #A0283E #A08A28

monochromatic

#102F3E #1C556F #287AA0 #389ECD #69B6D9

Accessibility & contrast

On white

4.79

#287AA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#287AA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287AA0

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287AA0	#FFFFFF	#000000	##FFFFFF
##287AA0	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6779A2

Deuteranopia (green-blind)

#576D9F

Tritanopia (blue-blind)

#008487

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #287aa0;
/* rgb */ color: rgb(40, 122, 160);
/* oklch */ color: oklch(54.8% 0.097 232.8);

Tailwind

colors: {
  custom: {
    50: '#73a0bc',
    500: '#287aa0',
    950: '#000000',
  },
}

SCSS

$custom: #287aa0;
$custom-light: #73a0bc;
$custom-dark: #000000;

JSON

{
  "hex": "#287aa0",
  "rgb": {
    "r": 40,
    "g": 122,
    "b": 160
  },
  "hsl": {
    "h": 199,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.54796,
    "c": 0.09677,
    "h": 232.8
  },
  "luminance": 0.16908
}

Semantic roles & 50–950 ramp

primary

#287AA0

secondary

#C08164

accent

#7745E3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #287AA0

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

Preview Lab → · Contrast checker → · Palette generator →