#284597#284597

#284597 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.8% C 0.139 H 265.9°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#284597
RGB	rgb(40, 69, 151)
HSL	hsl(224, 58%, 37%)
HSV	hsv(224, 74%, 59%)
CMYK	cmyk(73.5%, 54.3%, 0%, 40.8%)
CIE-LAB	lab(31.67, 18.88, -48.18)
CIE-LCH	lch(31.67, 51.74, 291.39°)
OKLab	oklab(41.78% -0.01 -0.1387)
OKLCH	oklch(41.78% 0.139 265.9)
XYZ	xyz(8.5872, 6.9408, 30.1593)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284597 #977A28

analogous

#287D97 #284597 #422897

triadic

#284597 #972845 #459728

tetradic

#284597 #97287D #977A28 #289742

square

#284597 #97287D #977A28 #289742

split-complementary

#284597 #974228 #7D9728

monochromatic

#0E1936 #1B2F67 #284597 #355BC7 #6481D6

Accessibility & contrast

On white

8.79

#284597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#284597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284597

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284597	#FFFFFF	#000000	##FFFFFF
##284597	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08509A

Deuteranopia (green-blind)

#004695

Tritanopia (blue-blind)

#005967

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #284597;
/* rgb */ color: rgb(40, 69, 151);
/* oklch */ color: oklch(41.8% 0.139 265.9);

Tailwind

colors: {
  custom: {
    50: '#7178b6',
    500: '#284597',
    950: '#000000',
  },
}

SCSS

$custom: #284597;
$custom-light: #7178b6;
$custom-dark: #000000;

JSON

{
  "hex": "#284597",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 151
  },
  "hsl": {
    "h": 224.324,
    "s": 58.115,
    "l": 37.451
  },
  "oklch": {
    "l": 0.4178,
    "c": 0.13902,
    "h": 265.9
  },
  "luminance": 0.06942
}

Semantic roles & 50–950 ramp

primary

#284597

secondary

#BCA35F

accent

#B946E1

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #284597

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

Preview Lab → · Contrast checker → · Palette generator →