#282A9B#282A9B

#282A9B is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.1% C 0.177 H 272.9°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#282A9B
RGB	rgb(40, 42, 155)
HSL	hsl(239, 59%, 38%)
HSV	hsv(239, 74%, 61%)
CMYK	cmyk(74.2%, 72.9%, 0%, 39.2%)
CIE-LAB	lab(25.18, 38.09, -61.23)
CIE-LCH	lch(25.18, 72.11, 301.88°)
OKLab	oklab(37.1% 0.0089 -0.1771)
OKLCH	oklch(37.1% 0.177 272.9)
XYZ	xyz(7.6174, 4.4728, 31.4659)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282A9B #9B9928

analogous

#28639B #282A9B #60289B

triadic

#282A9B #9B282A #2A9B28

tetradic

#282A9B #9B2863 #9B9928 #289B60

square

#282A9B #9B2863 #9B9928 #289B60

split-complementary

#282A9B #9B6028 #639B28

monochromatic

#0F103A #1B1D6A #282A9B #3538CB #6668D7

Accessibility & contrast

On white

11.08

#282A9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#282A9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282A9B

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282A9B	#FFFFFF	#000000	##FFFFFF
##282A9B	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419E

Deuteranopia (green-blind)

#003699

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #282a9b;
/* rgb */ color: rgb(40, 42, 155);
/* oklch */ color: oklch(37.1% 0.177 272.9);

Tailwind

colors: {
  custom: {
    50: '#7565ba',
    500: '#282a9b',
    950: '#000000',
  },
}

SCSS

$custom: #282a9b;
$custom-light: #7565ba;
$custom-dark: #000000;

JSON

{
  "hex": "#282a9b",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 155
  },
  "hsl": {
    "h": 238.957,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37098,
    "c": 0.17737,
    "h": 272.9
  },
  "luminance": 0.04474
}

Semantic roles & 50–950 ramp

primary

#282A9B

secondary

#BDBC61

accent

#DF46E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #282A9B

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

Preview Lab → · Contrast checker → · Palette generator →