#284565#284565

#284565 is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.3% C 0.065 H 252.0°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#284565
RGB	rgb(40, 69, 101)
HSL	hsl(211, 43%, 28%)
HSV	hsv(211, 60%, 40%)
CMYK	cmyk(60.4%, 31.7%, 0%, 60.4%)
CIE-LAB	lab(28.50, -0.19, -22.05)
CIE-LCH	lch(28.50, 22.05, 269.52°)
OKLab	oklab(38.32% -0.0201 -0.0621)
OKLCH	oklch(38.32% 0.065 252)
XYZ	xyz(5.3513, 5.6465, 13.1173)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284565 #654828

analogous

#286365 #284565 #292865

triadic

#284565 #652845 #456528

tetradic

#284565 #652863 #654828 #286529

square

#284565 #652863 #654828 #286529

split-complementary

#284565 #652928 #636528

monochromatic

#090F16 #172739 #284565 #396391 #4E81B9

Accessibility & contrast

On white

9.86

#284565 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#284565 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284565

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284565	#FFFFFF	#000000	##FFFFFF
##284565	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#384766

Deuteranopia (green-blind)

#304164

Tritanopia (blue-blind)

#004C50

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #284565;
/* rgb */ color: rgb(40, 69, 101);
/* oklch */ color: oklch(38.3% 0.065 252.0);

Tailwind

colors: {
  custom: {
    50: '#677891',
    500: '#284565',
    950: '#000000',
  },
}

SCSS

$custom: #284565;
$custom-light: #677891;
$custom-dark: #000000;

JSON

{
  "hex": "#284565",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 101
  },
  "hsl": {
    "h": 211.475,
    "s": 43.262,
    "l": 27.647
  },
  "oklch": {
    "l": 0.38317,
    "c": 0.06524,
    "h": 252
  },
  "luminance": 0.05647
}

Semantic roles & 50–950 ramp

primary

#284565

secondary

#987651

accent

#9755D3

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #284565

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

Preview Lab → · Contrast checker → · Palette generator →