#287399#287399

#287399 is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.7% C 0.094 H 234.8°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#287399
RGB	rgb(40, 115, 153)
HSL	hsl(200, 59%, 38%)
HSV	hsv(200, 74%, 60%)
CMYK	cmyk(73.9%, 24.8%, 0%, 40%)
CIE-LAB	lab(45.65, -9.75, -27.17)
CIE-LCH	lch(45.65, 28.87, 250.25°)
OKLab	oklab(52.71% -0.0539 -0.0765)
OKLCH	oklch(52.71% 0.094 234.8)
XYZ	xyz(12.7533, 15.0110, 32.3561)
Luminance	0.1501 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287399 #994E28

analogous

#289986 #287399 #283A99

triadic

#287399 #992873 #739928

tetradic

#287399 #862899 #994E28 #3A9928

square

#287399 #862899 #994E28 #3A9928

split-complementary

#287399 #99283A #998628

monochromatic

#0F2A38 #1B4F68 #287399 #3597CA #65B0D7

Accessibility & contrast

On white

5.25

#287399 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#287399 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287399

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287399	#FFFFFF	#000000	##FFFFFF
##287399	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61729B

Deuteranopia (green-blind)

#516798

Tritanopia (blue-blind)

#007D80

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #287399;
/* rgb */ color: rgb(40, 115, 153);
/* oklch */ color: oklch(52.7% 0.094 234.8);

Tailwind

colors: {
  custom: {
    50: '#729bb7',
    500: '#287399',
    950: '#000000',
  },
}

SCSS

$custom: #287399;
$custom-light: #729bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#287399",
  "rgb": {
    "r": 40,
    "g": 115,
    "b": 153
  },
  "hsl": {
    "h": 200.177,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.52707,
    "c": 0.09355,
    "h": 234.8
  },
  "luminance": 0.15012
}

Semantic roles & 50–950 ramp

primary

#287399

secondary

#BD7F60

accent

#7A46E2

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #287399

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

Preview Lab → · Contrast checker → · Palette generator →