#282EA5#282EA5

#282EA5 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.8% C 0.186 H 271.6°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#282EA5
RGB	rgb(40, 46, 165)
HSL	hsl(237, 61%, 40%)
HSV	hsv(237, 76%, 65%)
CMYK	cmyk(75.8%, 72.1%, 0%, 35.3%)
CIE-LAB	lab(27.08, 39.15, -64.18)
CIE-LCH	lch(27.08, 75.18, 301.38°)
OKLab	oklab(38.77% 0.0053 -0.1858)
OKLCH	oklch(38.77% 0.186 271.6)
XYZ	xyz(8.6413, 5.1208, 36.1230)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282EA5 #A59F28

analogous

#286CA5 #282EA5 #6028A5

triadic

#282EA5 #A5282E #2EA528

tetradic

#282EA5 #A5286C #A59F28 #28A560

square

#282EA5 #A5286C #A59F28 #28A560

split-complementary

#282EA5 #A56028 #6CA528

monochromatic

#101342 #1C2074 #282EA5 #3B42CF #6C71DB

Accessibility & contrast

On white

10.37

#282EA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#282EA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282EA5

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282EA5	#FFFFFF	#000000	##FFFFFF
##282EA5	1.00	10.37	2.02	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A9

Deuteranopia (green-blind)

#003AA3

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #282ea5;
/* rgb */ color: rgb(40, 46, 165);
/* oklch */ color: oklch(38.8% 0.186 271.6);

Tailwind

colors: {
  custom: {
    50: '#7768c1',
    500: '#282ea5',
    950: '#000000',
  },
}

SCSS

$custom: #282ea5;
$custom-light: #7768c1;
$custom-dark: #000000;

JSON

{
  "hex": "#282ea5",
  "rgb": {
    "r": 40,
    "g": 46,
    "b": 165
  },
  "hsl": {
    "h": 237.12,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38766,
    "c": 0.18584,
    "h": 271.6
  },
  "luminance": 0.05122
}

Semantic roles & 50–950 ramp

primary

#282EA5

secondary

#C2BE67

accent

#DC44E4

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282EA5

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

Preview Lab → · Contrast checker → · Palette generator →