#287F9E#287F9E

#287F9E is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 55.9% C 0.093 H 226.3°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#287F9E
RGB	rgb(40, 127, 158)
HSL	hsl(196, 60%, 39%)
HSV	hsv(196, 75%, 62%)
CMYK	cmyk(74.7%, 19.6%, 0%, 38%)
CIE-LAB	lab(49.61, -14.83, -23.96)
CIE-LCH	lch(49.61, 28.18, 238.24°)
OKLab	oklab(55.94% -0.0643 -0.0672)
OKLCH	oklch(55.94% 0.093 226.3)
XYZ	xyz(14.6335, 18.0968, 35.0629)
Luminance	0.1810 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287F9E #9E4728

analogous

#289E82 #287F9E #28449E

triadic

#287F9E #9E287F #7F9E28

tetradic

#287F9E #82289E #9E4728 #449E28

square

#287F9E #82289E #9E4728 #449E28

split-complementary

#287F9E #9E2844 #9E8228

monochromatic

#0F303C #1C586D #287F9E #37A5CC #68BBD9

Accessibility & contrast

On white

4.55

#287F9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#287F9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287F9E

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287F9E	#FFFFFF	#000000	##000000
##287F9E	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7CA0

Deuteranopia (green-blind)

#5E719E

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #287f9e;
/* rgb */ color: rgb(40, 127, 158);
/* oklch */ color: oklch(55.9% 0.093 226.3);

Tailwind

colors: {
  custom: {
    50: '#73a4ba',
    500: '#287f9e',
    950: '#000000',
  },
}

SCSS

$custom: #287f9e;
$custom-light: #73a4ba;
$custom-dark: #000000;

JSON

{
  "hex": "#287f9e",
  "rgb": {
    "r": 40,
    "g": 127,
    "b": 158
  },
  "hsl": {
    "h": 195.763,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.55943,
    "c": 0.09297,
    "h": 226.3
  },
  "luminance": 0.18098
}

Semantic roles & 50–950 ramp

primary

#287F9E

secondary

#BF7B63

accent

#6E45E3

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #287F9E

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

Preview Lab → · Contrast checker → · Palette generator →