#282CB4#282CB4

#282CB4 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.1% C 0.206 H 271.1°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#282CB4
RGB	rgb(40, 44, 180)
HSL	hsl(238, 64%, 43%)
HSV	hsv(238, 78%, 71%)
CMYK	cmyk(77.8%, 75.6%, 0%, 29.4%)
CIE-LAB	lab(28.24, 45.45, -71.27)
CIE-LCH	lch(28.24, 84.53, 302.52°)
OKLab	oklab(40.06% 0.0038 -0.2064)
OKLCH	oklch(40.06% 0.206 271.1)
XYZ	xyz(10.0112, 5.5467, 43.7142)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282CB4 #B4B028

analogous

#2872B4 #282CB4 #6A28B4

triadic

#282CB4 #B4282C #2CB428

tetradic

#282CB4 #B42872 #B4B028 #28B46A

square

#282CB4 #B42872 #B4B028 #28B46A

split-complementary

#282CB4 #B46A28 #72B428

monochromatic

#121450 #1D2082 #282CB4 #4448D5 #7679E1

Accessibility & contrast

On white

9.95

#282CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#282CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282CB4

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282CB4	#FFFFFF	#000000	##FFFFFF
##282CB4	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B8

Deuteranopia (green-blind)

#003CB2

Tritanopia (blue-blind)

#00546E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #282cb4;
/* rgb */ color: rgb(40, 44, 180);
/* oklch */ color: oklch(40.1% 0.206 271.1);

Tailwind

colors: {
  custom: {
    50: '#7b67cc',
    500: '#282cb4',
    950: '#000000',
  },
}

SCSS

$custom: #282cb4;
$custom-light: #7b67cc;
$custom-dark: #000000;

JSON

{
  "hex": "#282cb4",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 180
  },
  "hsl": {
    "h": 238.286,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.40064,
    "c": 0.20641,
    "h": 271.1
  },
  "luminance": 0.05548
}

Semantic roles & 50–950 ramp

primary

#282CB4

secondary

#C8C670

accent

#E241E7

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0614

muted

#7C7A82

Preview Lab

Preview with #282CB4

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

Preview Lab → · Contrast checker → · Palette generator →