#284491#284491

#284491 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.1% C 0.132 H 265.8°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#284491
RGB	rgb(40, 68, 145)
HSL	hsl(224, 57%, 36%)
HSV	hsv(224, 72%, 57%)
CMYK	cmyk(72.4%, 53.1%, 0%, 43.1%)
CIE-LAB	lab(30.95, 17.23, -45.69)
CIE-LCH	lch(30.95, 48.83, 290.66°)
OKLab	oklab(41.09% -0.0097 -0.1313)
OKLCH	oklch(41.09% 0.132 265.8)
XYZ	xyz(8.0512, 6.6289, 27.6378)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284491 #917528

analogous

#287991 #284491 #412891

triadic

#284491 #912844 #449128

tetradic

#284491 #912879 #917528 #289141

square

#284491 #912879 #917528 #289141

split-complementary

#284491 #914128 #799128

monochromatic

#0E1731 #1B2E61 #284491 #355AC1 #607FD3

Accessibility & contrast

On white

9.03

#284491 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#284491 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284491

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284491	#FFFFFF	#000000	##FFFFFF
##284491	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124E94

Deuteranopia (green-blind)

#00448F

Tritanopia (blue-blind)

#005664

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #284491;
/* rgb */ color: rgb(40, 68, 145);
/* oklch */ color: oklch(41.1% 0.132 265.8);

Tailwind

colors: {
  custom: {
    50: '#7077b2',
    500: '#284491',
    950: '#000000',
  },
}

SCSS

$custom: #284491;
$custom-light: #7077b2;
$custom-dark: #000000;

JSON

{
  "hex": "#284491",
  "rgb": {
    "r": 40,
    "g": 68,
    "b": 145
  },
  "hsl": {
    "h": 224,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.4109,
    "c": 0.13171,
    "h": 265.8
  },
  "luminance": 0.0663
}

Semantic roles & 50–950 ramp

primary

#284491

secondary

#B9A05C

accent

#B748E0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #284491

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

Preview Lab → · Contrast checker → · Palette generator →