#287F9F#287F9F

#287F9F is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.0% C 0.094 H 227.0°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#287F9F
RGB	rgb(40, 127, 159)
HSL	hsl(196, 60%, 39%)
HSV	hsv(196, 75%, 62%)
CMYK	cmyk(74.8%, 20.1%, 0%, 37.6%)
CIE-LAB	lab(49.66, -14.49, -24.48)
CIE-LCH	lch(49.66, 28.44, 239.38°)
OKLab	oklab(55.99% -0.0639 -0.0686)
OKLCH	oklch(55.99% 0.094 227)
XYZ	xyz(14.7199, 18.1313, 35.5181)
Luminance	0.1813 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287F9F #9F4828

analogous

#289F84 #287F9F #28449F

triadic

#287F9F #9F287F #7F9F28

tetradic

#287F9F #84289F #9F4828 #449F28

square

#287F9F #84289F #9F4828 #449F28

split-complementary

#287F9F #9F2844 #9F8428

monochromatic

#0F313D #1C586E #287F9F #37A5CD #68BBD9

Accessibility & contrast

On white

4.54

#287F9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#287F9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287F9F

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287F9F	#FFFFFF	#000000	##000000
##287F9F	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7DA1

Deuteranopia (green-blind)

#5E719F

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #287f9f;
/* rgb */ color: rgb(40, 127, 159);
/* oklch */ color: oklch(56.0% 0.094 227.0);

Tailwind

colors: {
  custom: {
    50: '#73a4bb',
    500: '#287f9f',
    950: '#000000',
  },
}

SCSS

$custom: #287f9f;
$custom-light: #73a4bb;
$custom-dark: #000000;

JSON

{
  "hex": "#287f9f",
  "rgb": {
    "r": 40,
    "g": 127,
    "b": 159
  },
  "hsl": {
    "h": 196.134,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.5599,
    "c": 0.09379,
    "h": 227
  },
  "luminance": 0.18133
}

Semantic roles & 50–950 ramp

primary

#287F9F

secondary

#BF7C64

accent

#6F45E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #287F9F

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

Preview Lab → · Contrast checker → · Palette generator →