#284391#284391

#284391 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.9% C 0.133 H 266.2°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#284391
RGB	rgb(40, 67, 145)
HSL	hsl(225, 57%, 36%)
HSV	hsv(225, 72%, 57%)
CMYK	cmyk(72.4%, 53.8%, 0%, 43.1%)
CIE-LAB	lab(30.66, 17.92, -46.15)
CIE-LCH	lch(30.66, 49.51, 291.22°)
OKLab	oklab(40.87% -0.0088 -0.1327)
OKLCH	oklch(40.87% 0.133 266.2)
XYZ	xyz(7.9913, 6.5089, 27.6178)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284391 #917628

analogous

#287891 #284391 #422891

triadic

#284391 #912843 #439128

tetradic

#284391 #912878 #917628 #289142

square

#284391 #912878 #917628 #289142

split-complementary

#284391 #914228 #789128

monochromatic

#0E1731 #1B2D61 #284391 #3559C1 #607ED3

Accessibility & contrast

On white

9.12

#284391 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#284391 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284391

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284391	#FFFFFF	#000000	##FFFFFF
##284391	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4D94

Deuteranopia (green-blind)

#00448F

Tritanopia (blue-blind)

#005663

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #284391;
/* rgb */ color: rgb(40, 67, 145);
/* oklch */ color: oklch(40.9% 0.133 266.2);

Tailwind

colors: {
  custom: {
    50: '#7076b2',
    500: '#284391',
    950: '#000000',
  },
}

SCSS

$custom: #284391;
$custom-light: #7076b2;
$custom-dark: #000000;

JSON

{
  "hex": "#284391",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 145
  },
  "hsl": {
    "h": 224.571,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.40874,
    "c": 0.13301,
    "h": 266.2
  },
  "luminance": 0.0651
}

Semantic roles & 50–950 ramp

primary

#284391

secondary

#B9A15C

accent

#B948E0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #284391

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

Preview Lab → · Contrast checker → · Palette generator →