#284582#284582

#284582 is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.2% C 0.108 H 263.2°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#284582
RGB	rgb(40, 69, 130)
HSL	hsl(221, 53%, 33%)
HSV	hsv(221, 69%, 51%)
CMYK	cmyk(69.2%, 46.9%, 0%, 49%)
CIE-LAB	lab(30.20, 10.75, -37.64)
CIE-LCH	lch(30.20, 39.14, 285.93°)
OKLab	oklab(40.19% -0.0128 -0.1076)
OKLCH	oklch(40.19% 0.108 263.2)
XYZ	xyz(7.0310, 6.3184, 21.9638)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284582 #826528

analogous

#287282 #284582 #382882

triadic

#284582 #822845 #458228

tetradic

#284582 #822872 #826528 #288238

square

#284582 #822872 #826528 #288238

split-complementary

#284582 #823828 #728228

monochromatic

#0B1324 #1A2C53 #284582 #365EB1 #597ECC

Accessibility & contrast

On white

9.28

#284582 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#284582 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284582

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284582	#FFFFFF	#000000	##FFFFFF
##284582	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274C84

Deuteranopia (green-blind)

#164381

Tritanopia (blue-blind)

#00535D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #284582;
/* rgb */ color: rgb(40, 69, 130);
/* oklch */ color: oklch(40.2% 0.108 263.2);

Tailwind

colors: {
  custom: {
    50: '#6d78a7',
    500: '#284582',
    950: '#000000',
  },
}

SCSS

$custom: #284582;
$custom-light: #6d78a7;
$custom-dark: #000000;

JSON

{
  "hex": "#284582",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 130
  },
  "hsl": {
    "h": 220.667,
    "s": 52.941,
    "l": 33.333
  },
  "oklch": {
    "l": 0.4019,
    "c": 0.10839,
    "h": 263.2
  },
  "luminance": 0.06319
}

Semantic roles & 50–950 ramp

primary

#284582

secondary

#B19355

accent

#AE4BDC

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #284582

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

Preview Lab → · Contrast checker → · Palette generator →