#287D9A#287D9A

#287D9A is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.3% C 0.090 H 225.1°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#287D9A
RGB	rgb(40, 125, 154)
HSL	hsl(195, 59%, 38%)
HSV	hsv(195, 74%, 60%)
CMYK	cmyk(74%, 18.8%, 0%, 39.6%)
CIE-LAB	lab(48.82, -15.10, -22.84)
CIE-LCH	lch(48.82, 27.38, 236.53°)
OKLab	oklab(55.25% -0.0638 -0.064)
OKLCH	oklch(55.25% 0.09 225.1)
XYZ	xyz(14.0390, 17.4498, 33.1938)
Luminance	0.1745 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287D9A #9A4528

analogous

#289A7E #287D9A #28449A

triadic

#287D9A #9A287D #7D9A28

tetradic

#287D9A #7E289A #9A4528 #449A28

square

#287D9A #7E289A #9A4528 #449A28

split-complementary

#287D9A #9A2844 #9A7E28

monochromatic

#0F2E39 #1B5669 #287D9A #35A4CA #65BAD7

Accessibility & contrast

On white

4.68

#287D9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#287D9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287D9A

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287D9A	#FFFFFF	#000000	##FFFFFF
##287D9A	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7A9B

Deuteranopia (green-blind)

#5D6F9A

Tritanopia (blue-blind)

#008686

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #287d9a;
/* rgb */ color: rgb(40, 125, 154);
/* oklch */ color: oklch(55.3% 0.090 225.1);

Tailwind

colors: {
  custom: {
    50: '#73a2b7',
    500: '#287d9a',
    950: '#000000',
  },
}

SCSS

$custom: #287d9a;
$custom-light: #73a2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#287d9a",
  "rgb": {
    "r": 40,
    "g": 125,
    "b": 154
  },
  "hsl": {
    "h": 195.263,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.55254,
    "c": 0.09035,
    "h": 225.1
  },
  "luminance": 0.17451
}

Semantic roles & 50–950 ramp

primary

#287D9A

secondary

#BD7861

accent

#6E46E2

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #287D9A

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

Preview Lab → · Contrast checker → · Palette generator →