#283582#283582

#283582 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.7% C 0.130 H 271.3°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#283582
RGB	rgb(40, 53, 130)
HSL	hsl(231, 53%, 33%)
HSV	hsv(231, 69%, 51%)
CMYK	cmyk(69.2%, 59.2%, 0%, 49%)
CIE-LAB	lab(25.59, 21.75, -45.08)
CIE-LCH	lch(25.59, 50.05, 295.76°)
OKLab	oklab(36.69% 0.0029 -0.1298)
OKLCH	oklch(36.69% 0.13 271.3)
XYZ	xyz(6.1761, 4.6085, 21.6788)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283582 #827528

analogous

#286282 #283582 #482882

triadic

#283582 #822835 #358228

tetradic

#283582 #822862 #827528 #288248

square

#283582 #822862 #827528 #288248

split-complementary

#283582 #824828 #628228

monochromatic

#0B0F24 #1A2253 #283582 #3648B1 #5969CC

Accessibility & contrast

On white

10.93

#283582 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#283582 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283582

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283582	#FFFFFF	#000000	##FFFFFF
##283582	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004185

Deuteranopia (green-blind)

#003980

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #283582;
/* rgb */ color: rgb(40, 53, 130);
/* oklch */ color: oklch(36.7% 0.130 271.3);

Tailwind

colors: {
  custom: {
    50: '#6e6ca7',
    500: '#283582',
    950: '#000000',
  },
}

SCSS

$custom: #283582;
$custom-light: #6e6ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#283582",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 130
  },
  "hsl": {
    "h": 231.333,
    "s": 52.941,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36694,
    "c": 0.12982,
    "h": 271.3
  },
  "luminance": 0.04609
}

Semantic roles & 50–950 ramp

primary

#283582

secondary

#B1A455

accent

#C74BDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #283582

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

Preview Lab → · Contrast checker → · Palette generator →