#282DB2#282DB2

#282DB2 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.0% C 0.203 H 271.1°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#282DB2
RGB	rgb(40, 45, 178)
HSL	hsl(238, 63%, 43%)
HSV	hsv(238, 78%, 70%)
CMYK	cmyk(77.5%, 74.7%, 0%, 30.2%)
CIE-LAB	lab(28.22, 44.21, -70.10)
CIE-LCH	lch(28.22, 82.88, 302.24°)
OKLab	oklab(39.99% 0.0038 -0.203)
OKLCH	oklch(39.99% 0.203 271.1)
XYZ	xyz(9.8466, 5.5412, 42.6615)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282DB2 #B2AD28

analogous

#2872B2 #282DB2 #6828B2

triadic

#282DB2 #B2282D #2DB228

tetradic

#282DB2 #B22872 #B2AD28 #28B268

square

#282DB2 #B22872 #B2AD28 #28B268

split-complementary

#282DB2 #B26828 #72B228

monochromatic

#12144E #1D2080 #282DB2 #4348D5 #7578E0

Accessibility & contrast

On white

9.96

#282DB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#282DB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282DB2

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282DB2	#FFFFFF	#000000	##FFFFFF
##282DB2	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B6

Deuteranopia (green-blind)

#003CB0

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #282db2;
/* rgb */ color: rgb(40, 45, 178);
/* oklch */ color: oklch(40.0% 0.203 271.1);

Tailwind

colors: {
  custom: {
    50: '#7a67ca',
    500: '#282db2',
    950: '#000000',
  },
}

SCSS

$custom: #282db2;
$custom-light: #7a67ca;
$custom-dark: #000000;

JSON

{
  "hex": "#282db2",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 178
  },
  "hsl": {
    "h": 237.826,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.3999,
    "c": 0.20301,
    "h": 271.1
  },
  "luminance": 0.05542
}

Semantic roles & 50–950 ramp

primary

#282DB2

secondary

#C7C46F

accent

#E041E6

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #282DB2

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

Preview Lab → · Contrast checker → · Palette generator →