#284358#284358

#284358 is a dark, muted cyan. Relative luminance 0.052; OKLCH L 37.1% C 0.049 H 243.1°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX#284358
RGBrgb(40, 67, 88)
HSLhsl(206, 38%, 25%)
HSVhsv(206, 55%, 35%)
CMYKcmyk(54.5%, 23.9%, 0%, 65.5%)
CIE-LABlab(27.21, -3.48, -15.68)
CIE-LCHlch(27.21, 16.06, 257.48°)
OKLaboklab(37.09% -0.0222 -0.0437)
OKLCHoklch(37.09% 0.049 243.1)
XYZxyz(4.6431, 5.1696, 9.9838)
Luminance0.0517 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#284358 #583D28
analogous
#285855 #284358 #282B58
triadic
#284358 #582843 #435828
tetradic
#284358 #552858 #583D28 #2B5828
square
#284358 #552858 #583D28 #2B5828
split-complementary
#284358 #58282B #585528
monochromatic
#0A1015 #15232E #284358 #3B6382 #4E83AC

Accessibility & contrast

On white

10.32
#284358 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.03
#284358 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284358
10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##284358#FFFFFF#000000##FFFFFF
##2843581.0010.322.0310.32
#FFFFFF10.321.0021.001.00
#0000002.0321.001.0021.00
##FFFFFF10.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A4359
Deuteranopia (green-blind)
#343E58
Tritanopia (blue-blind)
#0F484A
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #284358;
/* rgb */ color: rgb(40, 67, 88);
/* oklch */ color: oklch(37.1% 0.049 243.1);
Tailwind
colors: {
  custom: {
    50: '#657787',
    500: '#284358',
    950: '#000000',
  },
}
SCSS
$custom: #284358;
$custom-light: #657787;
$custom-dark: #000000;
JSON
{
  "hex": "#284358",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 88
  },
  "hsl": {
    "h": 206.25,
    "s": 37.5,
    "l": 25.098
  },
  "oklch": {
    "l": 0.37093,
    "c": 0.04904,
    "h": 243.1
  },
  "luminance": 0.0517
}

Semantic roles & 50–950 ramp

primary
#284358
secondary
#8B6A51
accent
#8D5ACD
background
#F6F7F8
surface
#EBEDEF
border
#C6C8CA
text
#06080B
muted
#7A7B7C

Preview Lab

Preview with #284358

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

Preview Lab → · Contrast checker → · Palette generator →

#284358 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva