#282DB1#282DB1

#282DB1 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 39.9% C 0.202 H 271.1°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#282DB1
RGB	rgb(40, 45, 177)
HSL	hsl(238, 63%, 43%)
HSV	hsv(238, 77%, 69%)
CMYK	cmyk(77.4%, 74.6%, 0%, 30.6%)
CIE-LAB	lab(28.12, 43.87, -69.68)
CIE-LCH	lch(28.12, 82.34, 302.20°)
OKLab	oklab(39.88% 0.0039 -0.2018)
OKLCH	oklch(39.88% 0.202 271.1)
XYZ	xyz(9.7466, 5.5011, 42.1346)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282DB1 #B1AC28

analogous

#2872B1 #282DB1 #6728B1

triadic

#282DB1 #B1282D #2DB128

tetradic

#282DB1 #B12872 #B1AC28 #28B167

square

#282DB1 #B12872 #B1AC28 #28B167

split-complementary

#282DB1 #B16728 #72B128

monochromatic

#11144D #1D207F #282DB1 #4247D4 #7478E0

Accessibility & contrast

On white

10.00

#282DB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#282DB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282DB1

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282DB1	#FFFFFF	#000000	##FFFFFF
##282DB1	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B5

Deuteranopia (green-blind)

#003BAF

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #282db1;
/* rgb */ color: rgb(40, 45, 177);
/* oklch */ color: oklch(39.9% 0.202 271.1);

Tailwind

colors: {
  custom: {
    50: '#7a67ca',
    500: '#282db1',
    950: '#000000',
  },
}

SCSS

$custom: #282db1;
$custom-light: #7a67ca;
$custom-dark: #000000;

JSON

{
  "hex": "#282db1",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 177
  },
  "hsl": {
    "h": 237.81,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.39883,
    "c": 0.20179,
    "h": 271.1
  },
  "luminance": 0.05502
}

Semantic roles & 50–950 ramp

primary

#282DB1

secondary

#C7C46E

accent

#E042E6

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #282DB1

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

Preview Lab → · Contrast checker → · Palette generator →