#287FA4#287FA4

#287FA4 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.2% C 0.098 H 230.8°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#287FA4
RGB	rgb(40, 127, 164)
HSL	hsl(198, 61%, 40%)
HSV	hsv(198, 76%, 64%)
CMYK	cmyk(75.6%, 22.6%, 0%, 35.7%)
CIE-LAB	lab(49.87, -12.74, -27.06)
CIE-LCH	lch(49.87, 29.91, 244.79°)
OKLab	oklab(56.23% -0.062 -0.0761)
OKLCH	oklch(56.23% 0.098 230.8)
XYZ	xyz(15.1626, 18.3084, 37.8495)
Luminance	0.1831 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287FA4 #A44D28

analogous

#28A48B #287FA4 #2841A4

triadic

#287FA4 #A4287F #7FA428

tetradic

#287FA4 #8B28A4 #A44D28 #41A428

square

#287FA4 #8B28A4 #A44D28 #41A428

split-complementary

#287FA4 #A42841 #A48B28

monochromatic

#103342 #1C5973 #287FA4 #3AA3CF #6BBADB

Accessibility & contrast

On white

4.50

#287FA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#287FA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287FA4

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287FA4	#FFFFFF	#000000	##000000
##287FA4	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7DA6

Deuteranopia (green-blind)

#5C71A3

Tritanopia (blue-blind)

#00898B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #287fa4;
/* rgb */ color: rgb(40, 127, 164);
/* oklch */ color: oklch(56.2% 0.098 230.8);

Tailwind

colors: {
  custom: {
    50: '#74a4bf',
    500: '#287fa4',
    950: '#000000',
  },
}

SCSS

$custom: #287fa4;
$custom-light: #74a4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#287fa4",
  "rgb": {
    "r": 40,
    "g": 127,
    "b": 164
  },
  "hsl": {
    "h": 197.903,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.5623,
    "c": 0.09815,
    "h": 230.8
  },
  "luminance": 0.1831
}

Semantic roles & 50–950 ramp

primary

#287FA4

secondary

#C18266

accent

#7444E4

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #287FA4

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

Preview Lab → · Contrast checker → · Palette generator →