#282D9A#282D9A

#282D9A is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.5% C 0.173 H 272.4°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#282D9A
RGB	rgb(40, 45, 154)
HSL	hsl(237, 59%, 38%)
HSV	hsv(237, 74%, 60%)
CMYK	cmyk(74%, 70.8%, 0%, 39.6%)
CIE-LAB	lab(25.74, 35.89, -59.69)
CIE-LCH	lch(25.74, 69.65, 301.02°)
OKLab	oklab(37.48% 0.0074 -0.1726)
OKLCH	oklch(37.48% 0.173 272.4)
XYZ	xyz(7.6442, 4.6602, 31.0622)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D9A #9A9528

analogous

#28669A #282D9A #5C289A

triadic

#282D9A #9A282D #2D9A28

tetradic

#282D9A #9A2866 #9A9528 #289A5C

square

#282D9A #9A2866 #9A9528 #289A5C

split-complementary

#282D9A #9A5C28 #669A28

monochromatic

#0F1139 #1B1F69 #282D9A #353BCA #656AD7

Accessibility & contrast

On white

10.87

#282D9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#282D9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D9A

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D9A	#FFFFFF	#000000	##FFFFFF
##282D9A	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429D

Deuteranopia (green-blind)

#003898

Tritanopia (blue-blind)

#004B60

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #282d9a;
/* rgb */ color: rgb(40, 45, 154);
/* oklch */ color: oklch(37.5% 0.173 272.4);

Tailwind

colors: {
  custom: {
    50: '#7466b9',
    500: '#282d9a',
    950: '#000000',
  },
}

SCSS

$custom: #282d9a;
$custom-light: #7466b9;
$custom-dark: #000000;

JSON

{
  "hex": "#282d9a",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 154
  },
  "hsl": {
    "h": 237.368,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37475,
    "c": 0.17281,
    "h": 272.4
  },
  "luminance": 0.04661
}

Semantic roles & 50–950 ramp

primary

#282D9A

secondary

#BDB961

accent

#DB46E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282D9A

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

Preview Lab → · Contrast checker → · Palette generator →