#287A9F#287A9F

#287A9F is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.7% C 0.096 H 232.1°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#287A9F
RGB	rgb(40, 122, 159)
HSL	hsl(199, 60%, 39%)
HSV	hsv(199, 75%, 62%)
CMYK	cmyk(74.8%, 23.3%, 0%, 37.6%)
CIE-LAB	lab(48.10, -11.66, -26.89)
CIE-LCH	lch(48.10, 29.31, 246.56°)
OKLab	oklab(54.75% -0.0588 -0.0756)
OKLCH	oklch(54.75% 0.096 232.1)
XYZ	xyz(14.0901, 16.8717, 35.3081)
Luminance	0.1687 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287A9F #9F4D28

analogous

#289F89 #287A9F #283F9F

triadic

#287A9F #9F287A #7A9F28

tetradic

#287A9F #89289F #9F4D28 #3F9F28

square

#287A9F #89289F #9F4D28 #3F9F28

split-complementary

#287A9F #9F283F #9F8928

monochromatic

#0F2F3D #1C546E #287A9F #379ECD #68B6D9

Accessibility & contrast

On white

4.80

#287A9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#287A9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287A9F

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287A9F	#FFFFFF	#000000	##FFFFFF
##287A9F	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6879A1

Deuteranopia (green-blind)

#576D9E

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #287a9f;
/* rgb */ color: rgb(40, 122, 159);
/* oklch */ color: oklch(54.7% 0.096 232.1);

Tailwind

colors: {
  custom: {
    50: '#73a0bb',
    500: '#287a9f',
    950: '#000000',
  },
}

SCSS

$custom: #287a9f;
$custom-light: #73a0bb;
$custom-dark: #000000;

JSON

{
  "hex": "#287a9f",
  "rgb": {
    "r": 40,
    "g": 122,
    "b": 159
  },
  "hsl": {
    "h": 198.655,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.54746,
    "c": 0.0958,
    "h": 232.1
  },
  "luminance": 0.16873
}

Semantic roles & 50–950 ramp

primary

#287A9F

secondary

#BF8064

accent

#7645E3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #287A9F

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

Preview Lab → · Contrast checker → · Palette generator →