#284356#284356

#284356 is a dark, muted cyan. Relative luminance 0.051; OKLCH L 37.0% C 0.047 H 240.4°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#284356
RGB	rgb(40, 67, 86)
HSL	hsl(205, 37%, 25%)
HSV	hsv(205, 53%, 34%)
CMYK	cmyk(53.5%, 22.1%, 0%, 66.3%)
CIE-LAB	lab(27.12, -4.17, -14.52)
CIE-LCH	lch(27.12, 15.11, 253.98°)
OKLab	oklab(36.99% -0.023 -0.0404)
OKLCH	oklch(36.99% 0.047 240.4)
XYZ	xyz(4.5613, 5.1370, 9.5535)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284356 #563B28

analogous

#285652 #284356 #282C56

triadic

#284356 #562843 #435628

tetradic

#284356 #522856 #563B28 #2C5628

square

#284356 #522856 #563B28 #2C5628

split-complementary

#284356 #56282C #565228

monochromatic

#0A1015 #15222C #284356 #3B6480 #4F84AA

Accessibility & contrast

On white

10.36

#284356 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#284356 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284356

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284356	#FFFFFF	#000000	##FFFFFF
##284356	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4357

Deuteranopia (green-blind)

#343E56

Tritanopia (blue-blind)

#114849

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #284356;
/* rgb */ color: rgb(40, 67, 86);
/* oklch */ color: oklch(37.0% 0.047 240.4);

Tailwind

colors: {
  custom: {
    50: '#657785',
    500: '#284356',
    950: '#000000',
  },
}

SCSS

$custom: #284356;
$custom-light: #657785;
$custom-dark: #000000;

JSON

{
  "hex": "#284356",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 86
  },
  "hsl": {
    "h": 204.783,
    "s": 36.508,
    "l": 24.706
  },
  "oklch": {
    "l": 0.3699,
    "c": 0.04651,
    "h": 240.4
  },
  "luminance": 0.05137
}

Semantic roles & 50–950 ramp

primary

#284356

secondary

#896851

accent

#8A5BCD

background

#F6F7F8

surface

#EBEDEF

border

#C6C8CA

text

#06080B

muted

#7A7B7C

Preview Lab

Preview with #284356

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

Preview Lab → · Contrast checker → · Palette generator →