#282E9B#282E9B

#282E9B is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.7% C 0.173 H 272.2°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#282E9B
RGB	rgb(40, 46, 155)
HSL	hsl(237, 59%, 38%)
HSV	hsv(237, 74%, 61%)
CMYK	cmyk(74.2%, 70.3%, 0%, 39.2%)
CIE-LAB	lab(26.07, 35.63, -59.76)
CIE-LCH	lch(26.07, 69.57, 300.80°)
OKLab	oklab(37.74% 0.0067 -0.1729)
OKLCH	oklch(37.74% 0.173 272.2)
XYZ	xyz(7.7665, 4.7709, 31.5156)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282E9B #9B9528

analogous

#28679B #282E9B #5C289B

triadic

#282E9B #9B282E #2E9B28

tetradic

#282E9B #9B2867 #9B9528 #289B5C

square

#282E9B #9B2867 #9B9528 #289B5C

split-complementary

#282E9B #9B5C28 #679B28

monochromatic

#0F113A #1B206A #282E9B #353DCB #666CD7

Accessibility & contrast

On white

10.74

#282E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#282E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282E9B

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282E9B	#FFFFFF	#000000	##FFFFFF
##282E9B	1.00	10.74	1.95	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439E

Deuteranopia (green-blind)

#003899

Tritanopia (blue-blind)

#004C61

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #282e9b;
/* rgb */ color: rgb(40, 46, 155);
/* oklch */ color: oklch(37.7% 0.173 272.2);

Tailwind

colors: {
  custom: {
    50: '#7467ba',
    500: '#282e9b',
    950: '#000000',
  },
}

SCSS

$custom: #282e9b;
$custom-light: #7467ba;
$custom-dark: #000000;

JSON

{
  "hex": "#282e9b",
  "rgb": {
    "r": 40,
    "g": 46,
    "b": 155
  },
  "hsl": {
    "h": 236.87,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37741,
    "c": 0.17299,
    "h": 272.2
  },
  "luminance": 0.04772
}

Semantic roles & 50–950 ramp

primary

#282E9B

secondary

#BDB961

accent

#DA46E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282E9B

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

Preview Lab → · Contrast checker → · Palette generator →