#284783#284783

#284783 is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.7% C 0.107 H 262.2°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#284783
RGB	rgb(40, 71, 131)
HSL	hsl(220, 53%, 34%)
HSV	hsv(220, 69%, 51%)
CMYK	cmyk(69.5%, 45.8%, 0%, 48.6%)
CIE-LAB	lab(30.87, 9.77, -37.19)
CIE-LCH	lch(30.87, 38.45, 284.73°)
OKLab	oklab(40.72% -0.0146 -0.1063)
OKLCH	oklch(40.72% 0.107 262.2)
XYZ	xyz(7.2236, 6.5956, 22.3607)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284783 #836428

analogous

#287483 #284783 #362883

triadic

#284783 #832847 #478328

tetradic

#284783 #832874 #836428 #288336

square

#284783 #832874 #836428 #288336

split-complementary

#284783 #833628 #748328

monochromatic

#0B1425 #1A2E54 #284783 #3660B2 #5980CC

Accessibility & contrast

On white

9.05

#284783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#284783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284783

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284783	#FFFFFF	#000000	##FFFFFF
##284783	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4D85

Deuteranopia (green-blind)

#1A4582

Tritanopia (blue-blind)

#00555E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #284783;
/* rgb */ color: rgb(40, 71, 131);
/* oklch */ color: oklch(40.7% 0.107 262.2);

Tailwind

colors: {
  custom: {
    50: '#6d79a7',
    500: '#284783',
    950: '#000000',
  },
}

SCSS

$custom: #284783;
$custom-light: #6d79a7;
$custom-dark: #000000;

JSON

{
  "hex": "#284783",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 131
  },
  "hsl": {
    "h": 219.56,
    "s": 53.216,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40723,
    "c": 0.1073,
    "h": 262.2
  },
  "luminance": 0.06596
}

Semantic roles & 50–950 ramp

primary

#284783

secondary

#B19255

accent

#AB4BDD

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #284783

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

Preview Lab → · Contrast checker → · Palette generator →