#284566#284566

#284566 is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.4% C 0.067 H 252.7°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#284566
RGB	rgb(40, 69, 102)
HSL	hsl(212, 44%, 28%)
HSV	hsv(212, 61%, 40%)
CMYK	cmyk(60.8%, 32.4%, 0%, 60%)
CIE-LAB	lab(28.55, 0.18, -22.61)
CIE-LCH	lch(28.55, 22.61, 270.45°)
OKLab	oklab(38.38% -0.0198 -0.0637)
OKLCH	oklch(38.38% 0.067 252.7)
XYZ	xyz(5.4006, 5.6662, 13.3769)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284566 #664928

analogous

#286466 #284566 #2A2866

triadic

#284566 #662845 #456628

tetradic

#284566 #662864 #664928 #28662A

square

#284566 #662864 #664928 #28662A

split-complementary

#284566 #662A28 #646628

monochromatic

#090F16 #17273A #284566 #396392 #4F81BA

Accessibility & contrast

On white

9.84

#284566 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#284566 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284566

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284566	#FFFFFF	#000000	##FFFFFF
##284566	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374767

Deuteranopia (green-blind)

#2F4165

Tritanopia (blue-blind)

#004D51

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #284566;
/* rgb */ color: rgb(40, 69, 102);
/* oklch */ color: oklch(38.4% 0.067 252.7);

Tailwind

colors: {
  custom: {
    50: '#687892',
    500: '#284566',
    950: '#000000',
  },
}

SCSS

$custom: #284566;
$custom-light: #687892;
$custom-dark: #000000;

JSON

{
  "hex": "#284566",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 102
  },
  "hsl": {
    "h": 211.935,
    "s": 43.662,
    "l": 27.843
  },
  "oklch": {
    "l": 0.38375,
    "c": 0.06669,
    "h": 252.7
  },
  "luminance": 0.05667
}

Semantic roles & 50–950 ramp

primary

#284566

secondary

#997751

accent

#9854D3

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080D

muted

#7A7B7D

Preview Lab

Preview with #284566

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

Preview Lab → · Contrast checker → · Palette generator →