#284564#284564

#284564 is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.3% C 0.064 H 251.3°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#284564
RGB	rgb(40, 69, 100)
HSL	hsl(211, 43%, 27%)
HSV	hsv(211, 60%, 39%)
CMYK	cmyk(60%, 31%, 0%, 60.8%)
CIE-LAB	lab(28.45, -0.55, -21.49)
CIE-LCH	lch(28.45, 21.50, 268.54°)
OKLab	oklab(38.26% -0.0205 -0.0604)
OKLCH	oklch(38.26% 0.064 251.3)
XYZ	xyz(5.3026, 5.6270, 12.8608)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284564 #644728

analogous

#286364 #284564 #292864

triadic

#284564 #642845 #456428

tetradic

#284564 #642863 #644728 #286429

square

#284564 #642863 #644728 #286429

split-complementary

#284564 #642928 #636428

monochromatic

#090F16 #172738 #284564 #396390 #4E81B8

Accessibility & contrast

On white

9.88

#284564 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#284564 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284564

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284564	#FFFFFF	#000000	##FFFFFF
##284564	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#384665

Deuteranopia (green-blind)

#304063

Tritanopia (blue-blind)

#004C50

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #284564;
/* rgb */ color: rgb(40, 69, 100);
/* oklch */ color: oklch(38.3% 0.064 251.3);

Tailwind

colors: {
  custom: {
    50: '#677890',
    500: '#284564',
    950: '#000000',
  },
}

SCSS

$custom: #284564;
$custom-light: #677890;
$custom-dark: #000000;

JSON

{
  "hex": "#284564",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 100
  },
  "hsl": {
    "h": 211,
    "s": 42.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.3826,
    "c": 0.06381,
    "h": 251.3
  },
  "luminance": 0.05627
}

Semantic roles & 50–950 ramp

primary

#284564

secondary

#977551

accent

#9655D3

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06090C

muted

#7A7B7D

Preview Lab

Preview with #284564

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

Preview Lab → · Contrast checker → · Palette generator →