#287FA1#287FA1

#287FA1 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.1% C 0.095 H 228.6°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#287FA1
RGB	rgb(40, 127, 161)
HSL	hsl(197, 60%, 39%)
HSV	hsv(197, 75%, 63%)
CMYK	cmyk(75.2%, 21.1%, 0%, 36.9%)
CIE-LAB	lab(49.74, -13.79, -25.51)
CIE-LCH	lch(49.74, 29.00, 241.61°)
OKLab	oklab(56.08% -0.0631 -0.0716)
OKLCH	oklch(56.08% 0.095 228.6)
XYZ	xyz(14.8949, 18.2013, 36.4395)
Luminance	0.1820 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287FA1 #A14A28

analogous

#28A187 #287FA1 #2842A1

triadic

#287FA1 #A1287F #7FA128

tetradic

#287FA1 #8728A1 #A14A28 #42A128

square

#287FA1 #8728A1 #A14A28 #42A128

split-complementary

#287FA1 #A12842 #A18728

monochromatic

#10323F #1C5870 #287FA1 #39A4CE #6ABADA

Accessibility & contrast

On white

4.53

#287FA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#287FA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287FA1

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287FA1	#FFFFFF	#000000	##000000
##287FA1	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7DA3

Deuteranopia (green-blind)

#5D71A1

Tritanopia (blue-blind)

#00898A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #287fa1;
/* rgb */ color: rgb(40, 127, 161);
/* oklch */ color: oklch(56.1% 0.095 228.6);

Tailwind

colors: {
  custom: {
    50: '#74a4bd',
    500: '#287fa1',
    950: '#000000',
  },
}

SCSS

$custom: #287fa1;
$custom-light: #74a4bd;
$custom-dark: #000000;

JSON

{
  "hex": "#287fa1",
  "rgb": {
    "r": 40,
    "g": 127,
    "b": 161
  },
  "hsl": {
    "h": 196.86,
    "s": 60.199,
    "l": 39.412
  },
  "oklch": {
    "l": 0.56085,
    "c": 0.09548,
    "h": 228.6
  },
  "luminance": 0.18203
}

Semantic roles & 50–950 ramp

primary

#287FA1

secondary

#C07E65

accent

#7144E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #287FA1

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

Preview Lab → · Contrast checker → · Palette generator →