#287CA9#287CA9

#287CA9 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.7% C 0.105 H 236.8°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#287CA9
RGB	rgb(40, 124, 169)
HSL	hsl(201, 62%, 41%)
HSV	hsv(201, 76%, 66%)
CMYK	cmyk(76.3%, 26.6%, 0%, 33.7%)
CIE-LAB	lab(49.17, -9.25, -31.06)
CIE-LCH	lch(49.17, 32.41, 253.42°)
OKLab	oklab(55.75% -0.0573 -0.0876)
OKLCH	oklch(55.75% 0.105 236.8)
XYZ	xyz(15.2413, 17.7292, 40.1472)
Luminance	0.1773 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287CA9 #A95528

analogous

#28A995 #287CA9 #283CA9

triadic

#287CA9 #A9287C #7CA928

tetradic

#287CA9 #9528A9 #A95528 #3CA928

square

#287CA9 #9528A9 #A95528 #3CA928

split-complementary

#287CA9 #A9283C #A99528

monochromatic

#113346 #1C5878 #287CA9 #3D9DD1 #6FB6DD

Accessibility & contrast

On white

4.62

#287CA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#287CA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #287CA9

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287CA9	#FFFFFF	#000000	##FFFFFF
##287CA9	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667CAB

Deuteranopia (green-blind)

#556FA8

Tritanopia (blue-blind)

#00888B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #287ca9;
/* rgb */ color: rgb(40, 124, 169);
/* oklch */ color: oklch(55.7% 0.105 236.8);

Tailwind

colors: {
  custom: {
    50: '#75a1c2',
    500: '#287ca9',
    950: '#000000',
  },
}

SCSS

$custom: #287ca9;
$custom-light: #75a1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#287ca9",
  "rgb": {
    "r": 40,
    "g": 124,
    "b": 169
  },
  "hsl": {
    "h": 200.93,
    "s": 61.722,
    "l": 40.98
  },
  "oklch": {
    "l": 0.55745,
    "c": 0.1047,
    "h": 236.8
  },
  "luminance": 0.17731
}

Semantic roles & 50–950 ramp

primary

#287CA9

secondary

#C48969

accent

#7B43E5

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #287CA9

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

Preview Lab → · Contrast checker → · Palette generator →