#282F9E#282F9E

#282F9E is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.2% C 0.176 H 271.9°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#282F9E
RGB	rgb(40, 47, 158)
HSL	hsl(236, 60%, 39%)
HSV	hsv(236, 75%, 62%)
CMYK	cmyk(74.7%, 70.3%, 0%, 38%)
CIE-LAB	lab(26.60, 36.07, -60.73)
CIE-LCH	lch(26.60, 70.63, 300.71°)
OKLab	oklab(38.21% 0.0057 -0.1757)
OKLCH	oklch(38.21% 0.176 271.9)
XYZ	xyz(8.0611, 4.9519, 32.8721)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F9E #9E9728

analogous

#286A9E #282F9E #5C289E

triadic

#282F9E #9E282F #2F9E28

tetradic

#282F9E #9E286A #9E9728 #289E5C

square

#282F9E #9E286A #9E9728 #289E5C

split-complementary

#282F9E #9E5C28 #6A9E28

monochromatic

#0F123C #1C206D #282F9E #3740CC #686ED9

Accessibility & contrast

On white

10.55

#282F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#282F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F9E

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F9E	#FFFFFF	#000000	##FFFFFF
##282F9E	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A1

Deuteranopia (green-blind)

#00399C

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #282f9e;
/* rgb */ color: rgb(40, 47, 158);
/* oklch */ color: oklch(38.2% 0.176 271.9);

Tailwind

colors: {
  custom: {
    50: '#7568bc',
    500: '#282f9e',
    950: '#000000',
  },
}

SCSS

$custom: #282f9e;
$custom-light: #7568bc;
$custom-dark: #000000;

JSON

{
  "hex": "#282f9e",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 158
  },
  "hsl": {
    "h": 236.441,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.3821,
    "c": 0.17577,
    "h": 271.9
  },
  "luminance": 0.04953
}

Semantic roles & 50–950 ramp

primary

#282F9E

secondary

#BFB963

accent

#D945E3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282F9E

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

Preview Lab → · Contrast checker → · Palette generator →