#283594#283594

#283594 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.3% C 0.155 H 271.0°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#283594
RGB	rgb(40, 53, 148)
HSL	hsl(233, 57%, 37%)
HSV	hsv(233, 73%, 58%)
CMYK	cmyk(73%, 64.2%, 0%, 42%)
CIE-LAB	lab(27.12, 28.54, -53.76)
CIE-LCH	lch(27.12, 60.87, 297.96°)
OKLab	oklab(38.3% 0.0026 -0.1553)
OKLCH	oklch(38.3% 0.155 271)
XYZ	xyz(7.4917, 5.1347, 28.6075)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283594 #948728

analogous

#286B94 #283594 #512894

triadic

#283594 #942835 #359428

tetradic

#283594 #94286B #948728 #289451

square

#283594 #94286B #948728 #289451

split-complementary

#283594 #945128 #6B9428

monochromatic

#0E1234 #1B2464 #283594 #3546C4 #6270D5

Accessibility & contrast

On white

10.36

#283594 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#283594 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283594

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283594	#FFFFFF	#000000	##FFFFFF
##283594	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004597

Deuteranopia (green-blind)

#003B92

Tritanopia (blue-blind)

#004D5F

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #283594;
/* rgb */ color: rgb(40, 53, 148);
/* oklch */ color: oklch(38.3% 0.155 271.0);

Tailwind

colors: {
  custom: {
    50: '#726cb4',
    500: '#283594',
    950: '#000000',
  },
}

SCSS

$custom: #283594;
$custom-light: #726cb4;
$custom-dark: #000000;

JSON

{
  "hex": "#283594",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 148
  },
  "hsl": {
    "h": 232.778,
    "s": 57.447,
    "l": 36.863
  },
  "oklch": {
    "l": 0.38301,
    "c": 0.15529,
    "h": 271
  },
  "luminance": 0.05135
}

Semantic roles & 50–950 ramp

primary

#283594

secondary

#BAAF5E

accent

#CE47E1

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #283594

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

Preview Lab → · Contrast checker → · Palette generator →