#284366#284366

#284366 is a dark, moderate cyan. Relative luminance 0.054; OKLCH L 37.9% C 0.069 H 255.5°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#284366
RGB	rgb(40, 67, 102)
HSL	hsl(214, 44%, 28%)
HSV	hsv(214, 61%, 40%)
CMYK	cmyk(60.8%, 34.3%, 0%, 60%)
CIE-LAB	lab(27.91, 1.51, -23.62)
CIE-LCH	lch(27.91, 23.66, 273.65°)
OKLab	oklab(37.87% -0.0173 -0.0666)
OKLCH	oklch(37.87% 0.069 255.5)
XYZ	xyz(5.2797, 5.4243, 13.3366)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284366 #664B28

analogous

#286266 #284366 #2C2866

triadic

#284366 #662843 #436628

tetradic

#284366 #662862 #664B28 #28662C

square

#284366 #662862 #664B28 #28662C

split-complementary

#284366 #662C28 #626628

monochromatic

#090E16 #17263A #284366 #396092 #4F7DBA

Accessibility & contrast

On white

10.07

#284366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#284366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284366

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284366	#FFFFFF	#000000	##FFFFFF
##284366	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354567

Deuteranopia (green-blind)

#2D3F65

Tritanopia (blue-blind)

#004B50

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #284366;
/* rgb */ color: rgb(40, 67, 102);
/* oklch */ color: oklch(37.9% 0.069 255.5);

Tailwind

colors: {
  custom: {
    50: '#677692',
    500: '#284366',
    950: '#000000',
  },
}

SCSS

$custom: #284366;
$custom-light: #677692;
$custom-dark: #000000;

JSON

{
  "hex": "#284366",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 102
  },
  "hsl": {
    "h": 213.871,
    "s": 43.662,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37871,
    "c": 0.06882,
    "h": 255.5
  },
  "luminance": 0.05425
}

Semantic roles & 50–950 ramp

primary

#284366

secondary

#997A51

accent

#9C54D3

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080D

muted

#7A7B7D

Preview Lab

Preview with #284366

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

Preview Lab → · Contrast checker → · Palette generator →