#284499#284499

#284499 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.7% C 0.143 H 266.4°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#284499
RGB	rgb(40, 68, 153)
HSL	hsl(225, 59%, 38%)
HSV	hsv(225, 74%, 60%)
CMYK	cmyk(73.9%, 55.6%, 0%, 40%)
CIE-LAB	lab(31.54, 20.33, -49.61)
CIE-LCH	lch(31.54, 53.61, 292.28°)
OKLab	oklab(41.73% -0.009 -0.1429)
OKLCH	oklch(41.73% 0.143 266.4)
XYZ	xyz(8.6900, 6.8844, 31.0017)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284499 #997D28

analogous

#287C99 #284499 #452899

triadic

#284499 #992844 #449928

tetradic

#284499 #99287C #997D28 #289945

square

#284499 #99287C #997D28 #289945

split-complementary

#284499 #994528 #7C9928

monochromatic

#0F1938 #1B2E68 #284499 #355ACA #6581D7

Accessibility & contrast

On white

8.83

#284499 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#284499 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284499

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284499	#FFFFFF	#000000	##FFFFFF
##284499	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509C

Deuteranopia (green-blind)

#004597

Tritanopia (blue-blind)

#005967

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #284499;
/* rgb */ color: rgb(40, 68, 153);
/* oklch */ color: oklch(41.7% 0.143 266.4);

Tailwind

colors: {
  custom: {
    50: '#7277b8',
    500: '#284499',
    950: '#000000',
  },
}

SCSS

$custom: #284499;
$custom-light: #7277b8;
$custom-dark: #000000;

JSON

{
  "hex": "#284499",
  "rgb": {
    "r": 40,
    "g": 68,
    "b": 153
  },
  "hsl": {
    "h": 225.133,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.4173,
    "c": 0.14315,
    "h": 266.4
  },
  "luminance": 0.06885
}

Semantic roles & 50–950 ramp

primary

#284499

secondary

#BDA660

accent

#BB46E2

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #284499

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

Preview Lab → · Contrast checker → · Palette generator →