#284064#284064

#284064 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.0% C 0.069 H 258.3°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#284064
RGB	rgb(40, 64, 100)
HSL	hsl(216, 43%, 27%)
HSV	hsv(216, 60%, 39%)
CMYK	cmyk(60%, 36%, 0%, 60.8%)
CIE-LAB	lab(26.84, 2.78, -24.01)
CIE-LCH	lch(26.84, 24.18, 276.61°)
OKLab	oklab(37% -0.0141 -0.0678)
OKLCH	oklch(37% 0.069 258.3)
XYZ	xyz(5.0079, 5.0376, 12.7626)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284064 #644C28

analogous

#285E64 #284064 #2E2864

triadic

#284064 #642840 #406428

tetradic

#284064 #64285E #644C28 #28642E

square

#284064 #64285E #644C28 #28642E

split-complementary

#284064 #642E28 #5E6428

monochromatic

#090E16 #172438 #284064 #395C90 #4E79B8

Accessibility & contrast

On white

10.46

#284064 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#284064 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284064

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284064	#FFFFFF	#000000	##FFFFFF
##284064	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314366

Deuteranopia (green-blind)

#2A3D63

Tritanopia (blue-blind)

#00484D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #284064;
/* rgb */ color: rgb(40, 64, 100);
/* oklch */ color: oklch(37.0% 0.069 258.3);

Tailwind

colors: {
  custom: {
    50: '#677490',
    500: '#284064',
    950: '#000000',
  },
}

SCSS

$custom: #284064;
$custom-light: #677490;
$custom-dark: #000000;

JSON

{
  "hex": "#284064",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 100
  },
  "hsl": {
    "h": 216,
    "s": 42.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.37001,
    "c": 0.06925,
    "h": 258.3
  },
  "luminance": 0.05038
}

Semantic roles & 50–950 ramp

primary

#284064

secondary

#977B51

accent

#A055D3

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #284064

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

Preview Lab → · Contrast checker → · Palette generator →