#282C9B#282C9B

#282C9B is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.4% C 0.175 H 272.6°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#282C9B
RGB	rgb(40, 44, 155)
HSL	hsl(238, 59%, 38%)
HSV	hsv(238, 74%, 61%)
CMYK	cmyk(74.2%, 71.6%, 0%, 39.2%)
CIE-LAB	lab(25.62, 36.87, -60.51)
CIE-LCH	lch(25.62, 70.85, 301.35°)
OKLab	oklab(37.41% 0.0078 -0.175)
OKLCH	oklch(37.41% 0.175 272.6)
XYZ	xyz(7.6902, 4.6183, 31.4901)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282C9B #9B9728

analogous

#28659B #282C9B #5D289B

triadic

#282C9B #9B282C #2C9B28

tetradic

#282C9B #9B2865 #9B9728 #289B5D

square

#282C9B #9B2865 #9B9728 #289B5D

split-complementary

#282C9B #9B5D28 #659B28

monochromatic

#0F103A #1B1E6A #282C9B #353ACB #666AD7

Accessibility & contrast

On white

10.92

#282C9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#282C9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282C9B

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282C9B	#FFFFFF	#000000	##FFFFFF
##282C9B	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429E

Deuteranopia (green-blind)

#003799

Tritanopia (blue-blind)

#004B60

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #282c9b;
/* rgb */ color: rgb(40, 44, 155);
/* oklch */ color: oklch(37.4% 0.175 272.6);

Tailwind

colors: {
  custom: {
    50: '#7466ba',
    500: '#282c9b',
    950: '#000000',
  },
}

SCSS

$custom: #282c9b;
$custom-light: #7466ba;
$custom-dark: #000000;

JSON

{
  "hex": "#282c9b",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 155
  },
  "hsl": {
    "h": 237.913,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37414,
    "c": 0.17521,
    "h": 272.6
  },
  "luminance": 0.04619
}

Semantic roles & 50–950 ramp

primary

#282C9B

secondary

#BDBA61

accent

#DD46E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282C9B

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

Preview Lab → · Contrast checker → · Palette generator →