#287FC4#287FC4

#287FC4 is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 57.9% C 0.133 H 247.2°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#287FC4
RGB	rgb(40, 127, 196)
HSL	hsl(207, 66%, 46%)
HSV	hsv(207, 80%, 77%)
CMYK	cmyk(79.6%, 35.2%, 0%, 23.1%)
CIE-LAB	lab(51.40, -1.13, -43.11)
CIE-LCH	lch(51.40, 43.12, 268.49°)
OKLab	oklab(57.94% -0.0517 -0.1227)
OKLCH	oklch(57.94% 0.133 247.2)
XYZ	xyz(18.4244, 19.6131, 55.0285)
Luminance	0.1961 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287FC4 #C46D28

analogous

#28C4BB #287FC4 #2831C4

triadic

#287FC4 #C4287F #7FC428

tetradic

#287FC4 #BB28C4 #C46D28 #31C428

square

#287FC4 #BB28C4 #C46D28 #31C428

split-complementary

#287FC4 #C42831 #C4BB28

monochromatic

#133D5E #1E5E91 #287FC4 #4E9DDB #81B9E5

Accessibility & contrast

On white

4.27

#287FC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#287FC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287FC4

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287FC4	#FFFFFF	#000000	##000000
##287FC4	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F82C7

Deuteranopia (green-blind)

#4874C3

Tritanopia (blue-blind)

#009098

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #287fc4;
/* rgb */ color: rgb(40, 127, 196);
/* oklch */ color: oklch(57.9% 0.133 247.2);

Tailwind

colors: {
  custom: {
    50: '#7aa3d6',
    500: '#287fc4',
    950: '#000000',
  },
}

SCSS

$custom: #287fc4;
$custom-light: #7aa3d6;
$custom-dark: #000000;

JSON

{
  "hex": "#287fc4",
  "rgb": {
    "r": 40,
    "g": 127,
    "b": 196
  },
  "hsl": {
    "h": 206.538,
    "s": 66.102,
    "l": 46.275
  },
  "oklch": {
    "l": 0.57944,
    "c": 0.13315,
    "h": 247.2
  },
  "luminance": 0.19615
}

Semantic roles & 50–950 ramp

primary

#287FC4

secondary

#CE9F7A

accent

#8A3FE9

background

#F8FAFD

surface

#EFF3FA

border

#CACDD3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #287FC4

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

Preview Lab → · Contrast checker → · Palette generator →