#284191#284191

#284191 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.4% C 0.136 H 267.0°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#284191
RGB	rgb(40, 65, 145)
HSL	hsl(226, 57%, 36%)
HSV	hsv(226, 72%, 57%)
CMYK	cmyk(72.4%, 55.2%, 0%, 43.1%)
CIE-LAB	lab(30.10, 19.28, -47.07)
CIE-LCH	lch(30.10, 50.86, 292.27°)
OKLab	oklab(40.45% -0.007 -0.1354)
OKLCH	oklch(40.45% 0.136 267)
XYZ	xyz(7.8744, 6.2752, 27.5788)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284191 #917828

analogous

#287691 #284191 #442891

triadic

#284191 #912841 #419128

tetradic

#284191 #912876 #917828 #289144

square

#284191 #912876 #917828 #289144

split-complementary

#284191 #914428 #769128

monochromatic

#0E1631 #1B2B61 #284191 #3557C1 #607CD3

Accessibility & contrast

On white

9.31

#284191 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#284191 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284191

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284191	#FFFFFF	#000000	##FFFFFF
##284191	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#034C94

Deuteranopia (green-blind)

#00428F

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #284191;
/* rgb */ color: rgb(40, 65, 145);
/* oklch */ color: oklch(40.4% 0.136 267.0);

Tailwind

colors: {
  custom: {
    50: '#7075b2',
    500: '#284191',
    950: '#000000',
  },
}

SCSS

$custom: #284191;
$custom-light: #7075b2;
$custom-dark: #000000;

JSON

{
  "hex": "#284191",
  "rgb": {
    "r": 40,
    "g": 65,
    "b": 145
  },
  "hsl": {
    "h": 225.714,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.40447,
    "c": 0.13563,
    "h": 267
  },
  "luminance": 0.06276
}

Semantic roles & 50–950 ramp

primary

#284191

secondary

#B9A35C

accent

#BC48E0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #284191

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

Preview Lab → · Contrast checker → · Palette generator →