#284397#284397

#284397 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.4% C 0.142 H 266.6°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#284397
RGB	rgb(40, 67, 151)
HSL	hsl(225, 58%, 37%)
HSV	hsv(225, 74%, 59%)
CMYK	cmyk(73.5%, 55.6%, 0%, 40.8%)
CIE-LAB	lab(31.11, 20.23, -49.09)
CIE-LCH	lch(31.11, 53.09, 292.40°)
OKLab	oklab(41.36% -0.0083 -0.1414)
OKLCH	oklch(41.36% 0.142 266.6)
XYZ	xyz(8.4662, 6.6989, 30.1190)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284397 #977C28

analogous

#287B97 #284397 #442897

triadic

#284397 #972843 #439728

tetradic

#284397 #97287B #977C28 #289744

square

#284397 #97287B #977C28 #289744

split-complementary

#284397 #974428 #7B9728

monochromatic

#0E1836 #1B2E67 #284397 #3558C7 #647FD6

Accessibility & contrast

On white

8.97

#284397 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#284397 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284397

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284397	#FFFFFF	#000000	##FFFFFF
##284397	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9A

Deuteranopia (green-blind)

#004495

Tritanopia (blue-blind)

#005766

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #284397;
/* rgb */ color: rgb(40, 67, 151);
/* oklch */ color: oklch(41.4% 0.142 266.6);

Tailwind

colors: {
  custom: {
    50: '#7276b6',
    500: '#284397',
    950: '#000000',
  },
}

SCSS

$custom: #284397;
$custom-light: #7276b6;
$custom-dark: #000000;

JSON

{
  "hex": "#284397",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 151
  },
  "hsl": {
    "h": 225.405,
    "s": 58.115,
    "l": 37.451
  },
  "oklch": {
    "l": 0.41357,
    "c": 0.1416,
    "h": 266.6
  },
  "luminance": 0.067
}

Semantic roles & 50–950 ramp

primary

#284397

secondary

#BCA55F

accent

#BC46E1

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #284397

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

Preview Lab → · Contrast checker → · Palette generator →