#287FA5#287FA5

#287FA5 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.3% C 0.099 H 231.5°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#287FA5
RGB	rgb(40, 127, 165)
HSL	hsl(198, 61%, 40%)
HSV	hsv(198, 76%, 65%)
CMYK	cmyk(75.8%, 23%, 0%, 35.3%)
CIE-LAB	lab(49.91, -12.39, -27.57)
CIE-LCH	lch(49.91, 30.23, 245.81°)
OKLab	oklab(56.28% -0.0616 -0.0775)
OKLCH	oklch(56.28% 0.099 231.5)
XYZ	xyz(15.2532, 18.3447, 38.3270)
Luminance	0.1835 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287FA5 #A54E28

analogous

#28A58C #287FA5 #2840A5

triadic

#287FA5 #A5287F #7FA528

tetradic

#287FA5 #8C28A5 #A54E28 #40A528

square

#287FA5 #8C28A5 #A54E28 #40A528

split-complementary

#287FA5 #A52840 #A58C28

monochromatic

#103342 #1C5974 #287FA5 #3BA2CF #6CBADB

Accessibility & contrast

On white

4.50

#287FA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#287FA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287FA5

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287FA5	#FFFFFF	#000000	##000000
##287FA5	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7DA7

Deuteranopia (green-blind)

#5B71A4

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #287fa5;
/* rgb */ color: rgb(40, 127, 165);
/* oklch */ color: oklch(56.3% 0.099 231.5);

Tailwind

colors: {
  custom: {
    50: '#74a4c0',
    500: '#287fa5',
    950: '#000000',
  },
}

SCSS

$custom: #287fa5;
$custom-light: #74a4c0;
$custom-dark: #000000;

JSON

{
  "hex": "#287fa5",
  "rgb": {
    "r": 40,
    "g": 127,
    "b": 165
  },
  "hsl": {
    "h": 198.24,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.5628,
    "c": 0.09907,
    "h": 231.5
  },
  "luminance": 0.18346
}

Semantic roles & 50–950 ramp

primary

#287FA5

secondary

#C28367

accent

#7444E4

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #287FA5

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

Preview Lab → · Contrast checker → · Palette generator →