#282CB1#282CB1

#282CB1 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.7% C 0.203 H 271.2°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#282CB1
RGB	rgb(40, 44, 177)
HSL	hsl(238, 63%, 43%)
HSV	hsv(238, 77%, 69%)
CMYK	cmyk(77.4%, 75.1%, 0%, 30.6%)
CIE-LAB	lab(27.91, 44.44, -70.01)
CIE-LCH	lch(27.91, 82.93, 302.41°)
OKLab	oklab(39.74% 0.0043 -0.2027)
OKLCH	oklch(39.74% 0.203 271.2)
XYZ	xyz(9.7089, 5.4257, 42.1220)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282CB1 #B1AD28

analogous

#2871B1 #282CB1 #6828B1

triadic

#282CB1 #B1282C #2CB128

tetradic

#282CB1 #B12871 #B1AD28 #28B168

square

#282CB1 #B12871 #B1AD28 #28B168

split-complementary

#282CB1 #B16828 #71B128

monochromatic

#11134D #1D207F #282CB1 #4246D4 #7477E0

Accessibility & contrast

On white

10.07

#282CB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#282CB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282CB1

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282CB1	#FFFFFF	#000000	##FFFFFF
##282CB1	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B5

Deuteranopia (green-blind)

#003BAF

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #282cb1;
/* rgb */ color: rgb(40, 44, 177);
/* oklch */ color: oklch(39.7% 0.203 271.2);

Tailwind

colors: {
  custom: {
    50: '#7a67ca',
    500: '#282cb1',
    950: '#000000',
  },
}

SCSS

$custom: #282cb1;
$custom-light: #7a67ca;
$custom-dark: #000000;

JSON

{
  "hex": "#282cb1",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 177
  },
  "hsl": {
    "h": 238.248,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.39739,
    "c": 0.20277,
    "h": 271.2
  },
  "luminance": 0.05427
}

Semantic roles & 50–950 ramp

primary

#282CB1

secondary

#C7C46E

accent

#E142E6

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #282CB1

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

Preview Lab → · Contrast checker → · Palette generator →