#287EA0#287EA0

#287EA0 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.8% C 0.095 H 228.8°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#287EA0
RGB	rgb(40, 126, 160)
HSL	hsl(197, 60%, 39%)
HSV	hsv(197, 75%, 63%)
CMYK	cmyk(75%, 21.2%, 0%, 37.3%)
CIE-LAB	lab(49.39, -13.58, -25.48)
CIE-LCH	lch(49.39, 28.87, 241.94°)
OKLab	oklab(55.79% -0.0625 -0.0715)
OKLCH	oklch(55.79% 0.095 228.8)
XYZ	xyz(14.6785, 17.9092, 35.9341)
Luminance	0.1791 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287EA0 #A04A28

analogous

#28A086 #287EA0 #2842A0

triadic

#287EA0 #A0287E #7EA028

tetradic

#287EA0 #8628A0 #A04A28 #42A028

square

#287EA0 #8628A0 #A04A28 #42A028

split-complementary

#287EA0 #A02842 #A08628

monochromatic

#10313E #1C576F #287EA0 #38A3CD #69BAD9

Accessibility & contrast

On white

4.58

#287EA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#287EA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287EA0

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287EA0	#FFFFFF	#000000	##000000
##287EA0	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7CA2

Deuteranopia (green-blind)

#5C70A0

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #287ea0;
/* rgb */ color: rgb(40, 126, 160);
/* oklch */ color: oklch(55.8% 0.095 228.8);

Tailwind

colors: {
  custom: {
    50: '#74a3bc',
    500: '#287ea0',
    950: '#000000',
  },
}

SCSS

$custom: #287ea0;
$custom-light: #74a3bc;
$custom-dark: #000000;

JSON

{
  "hex": "#287ea0",
  "rgb": {
    "r": 40,
    "g": 126,
    "b": 160
  },
  "hsl": {
    "h": 197,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.55788,
    "c": 0.09499,
    "h": 228.8
  },
  "luminance": 0.17911
}

Semantic roles & 50–950 ramp

primary

#287EA0

secondary

#C07E64

accent

#7245E3

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #287EA0

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

Preview Lab → · Contrast checker → · Palette generator →