#282CB3#282CB3

#282CB3 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.0% C 0.205 H 271.1°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#282CB3
RGB	rgb(40, 44, 179)
HSL	hsl(238, 63%, 43%)
HSV	hsv(238, 78%, 70%)
CMYK	cmyk(77.7%, 75.4%, 0%, 29.8%)
CIE-LAB	lab(28.13, 45.11, -70.85)
CIE-LCH	lch(28.13, 83.99, 302.49°)
OKLab	oklab(39.96% 0.004 -0.2051)
OKLCH	oklch(39.96% 0.205 271.1)
XYZ	xyz(9.9097, 5.5061, 43.1796)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282CB3 #B3AF28

analogous

#2872B3 #282CB3 #6928B3

triadic

#282CB3 #B3282C #2CB328

tetradic

#282CB3 #B32872 #B3AF28 #28B369

square

#282CB3 #B32872 #B3AF28 #28B369

split-complementary

#282CB3 #B36928 #72B328

monochromatic

#12134F #1D2081 #282CB3 #4347D5 #7578E0

Accessibility & contrast

On white

9.99

#282CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#282CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282CB3

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282CB3	#FFFFFF	#000000	##FFFFFF
##282CB3	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B7

Deuteranopia (green-blind)

#003BB1

Tritanopia (blue-blind)

#00546E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #282cb3;
/* rgb */ color: rgb(40, 44, 179);
/* oklch */ color: oklch(40.0% 0.205 271.1);

Tailwind

colors: {
  custom: {
    50: '#7a67cb',
    500: '#282cb3',
    950: '#000000',
  },
}

SCSS

$custom: #282cb3;
$custom-light: #7a67cb;
$custom-dark: #000000;

JSON

{
  "hex": "#282cb3",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 179
  },
  "hsl": {
    "h": 238.273,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.39956,
    "c": 0.20519,
    "h": 271.1
  },
  "luminance": 0.05507
}

Semantic roles & 50–950 ramp

primary

#282CB3

secondary

#C8C56F

accent

#E241E6

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #282CB3

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

Preview Lab → · Contrast checker → · Palette generator →