#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
RGB	rgb(40, 67, 88)
HSL	hsl(206, 38%, 25%)
HSV	hsv(206, 55%, 35%)
CMYK	cmyk(54.5%, 23.9%, 0%, 65.5%)
CIE-LAB	lab(27.21, -3.48, -15.68)
CIE-LCH	lch(27.21, 16.06, 257.48°)
OKLab	oklab(37.09% -0.0222 -0.0437)
OKLCH	oklch(37.09% 0.049 243.1)
XYZ	xyz(4.6431, 5.1696, 9.9838)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	cyan

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
##284358	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

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 →