#282B9A#282B9A

#282B9A is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.2% C 0.175 H 272.8°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#282B9A
RGB	rgb(40, 43, 154)
HSL	hsl(238, 59%, 38%)
HSV	hsv(238, 74%, 60%)
CMYK	cmyk(74%, 72.1%, 0%, 39.6%)
CIE-LAB	lab(25.29, 37.13, -60.43)
CIE-LCH	lch(25.29, 70.92, 301.57°)
OKLab	oklab(37.15% 0.0085 -0.1748)
OKLCH	oklch(37.15% 0.175 272.8)
XYZ	xyz(7.5697, 4.5112, 31.0374)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B9A #9A9728

analogous

#28649A #282B9A #5E289A

triadic

#282B9A #9A282B #2B9A28

tetradic

#282B9A #9A2864 #9A9728 #289A5E

square

#282B9A #9A2864 #9A9728 #289A5E

split-complementary

#282B9A #9A5E28 #649A28

monochromatic

#0F1039 #1B1D69 #282B9A #3539CA #6568D7

Accessibility & contrast

On white

11.04

#282B9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#282B9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B9A

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B9A	#FFFFFF	#000000	##FFFFFF
##282B9A	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419D

Deuteranopia (green-blind)

#003698

Tritanopia (blue-blind)

#004A5F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #282b9a;
/* rgb */ color: rgb(40, 43, 154);
/* oklch */ color: oklch(37.2% 0.175 272.8);

Tailwind

colors: {
  custom: {
    50: '#7465b9',
    500: '#282b9a',
    950: '#000000',
  },
}

SCSS

$custom: #282b9a;
$custom-light: #7465b9;
$custom-dark: #000000;

JSON

{
  "hex": "#282b9a",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 154
  },
  "hsl": {
    "h": 238.421,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37151,
    "c": 0.17502,
    "h": 272.8
  },
  "luminance": 0.04512
}

Semantic roles & 50–950 ramp

primary

#282B9A

secondary

#BDBB61

accent

#DE46E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282B9A

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

Preview Lab → · Contrast checker → · Palette generator →