#282DB3#282DB3

#282DB3 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.1% C 0.204 H 271.0°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#282DB3
RGB	rgb(40, 45, 179)
HSL	hsl(238, 63%, 43%)
HSV	hsv(238, 78%, 70%)
CMYK	cmyk(77.7%, 74.9%, 0%, 29.8%)
CIE-LAB	lab(28.33, 44.55, -70.52)
CIE-LCH	lch(28.33, 83.41, 302.28°)
OKLab	oklab(40.1% 0.0036 -0.2042)
OKLCH	oklch(40.1% 0.204 271)
XYZ	xyz(9.9474, 5.5815, 43.1922)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282DB3 #B3AE28

analogous

#2872B3 #282DB3 #6928B3

triadic

#282DB3 #B3282D #2DB328

tetradic

#282DB3 #B32872 #B3AE28 #28B369

square

#282DB3 #B32872 #B3AE28 #28B369

split-complementary

#282DB3 #B36928 #72B328

monochromatic

#12144F #1D2081 #282DB3 #4348D5 #7579E0

Accessibility & contrast

On white

9.92

#282DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#282DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282DB3

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282DB3	#FFFFFF	#000000	##FFFFFF
##282DB3	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB7

Deuteranopia (green-blind)

#003CB1

Tritanopia (blue-blind)

#00546E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #282db3;
/* rgb */ color: rgb(40, 45, 179);
/* oklch */ color: oklch(40.1% 0.204 271.0);

Tailwind

colors: {
  custom: {
    50: '#7a68cb',
    500: '#282db3',
    950: '#000000',
  },
}

SCSS

$custom: #282db3;
$custom-light: #7a68cb;
$custom-dark: #000000;

JSON

{
  "hex": "#282db3",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 179
  },
  "hsl": {
    "h": 237.842,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40098,
    "c": 0.20423,
    "h": 271
  },
  "luminance": 0.05583
}

Semantic roles & 50–950 ramp

primary

#282DB3

secondary

#C8C46F

accent

#E141E6

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #282DB3

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

Preview Lab → · Contrast checker → · Palette generator →