#282B9B#282B9B

#282B9B is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.3% C 0.176 H 272.7°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#282B9B
RGB	rgb(40, 43, 155)
HSL	hsl(238, 59%, 38%)
HSV	hsv(238, 74%, 61%)
CMYK	cmyk(74.2%, 72.3%, 0%, 39.2%)
CIE-LAB	lab(25.40, 37.48, -60.87)
CIE-LCH	lch(25.40, 71.49, 301.62°)
OKLab	oklab(37.26% 0.0084 -0.1761)
OKLCH	oklch(37.26% 0.176 272.7)
XYZ	xyz(7.6534, 4.5446, 31.4779)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B9B #9B9828

analogous

#28649B #282B9B #5E289B

triadic

#282B9B #9B282B #2B9B28

tetradic

#282B9B #9B2864 #9B9828 #289B5E

square

#282B9B #9B2864 #9B9828 #289B5E

split-complementary

#282B9B #9B5E28 #649B28

monochromatic

#0F103A #1B1E6A #282B9B #3539CB #6669D7

Accessibility & contrast

On white

11.00

#282B9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#282B9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B9B

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B9B	#FFFFFF	#000000	##FFFFFF
##282B9B	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429E

Deuteranopia (green-blind)

#003799

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #282b9b;
/* rgb */ color: rgb(40, 43, 155);
/* oklch */ color: oklch(37.3% 0.176 272.7);

Tailwind

colors: {
  custom: {
    50: '#7565ba',
    500: '#282b9b',
    950: '#000000',
  },
}

SCSS

$custom: #282b9b;
$custom-light: #7565ba;
$custom-dark: #000000;

JSON

{
  "hex": "#282b9b",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 155
  },
  "hsl": {
    "h": 238.435,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37255,
    "c": 0.1763,
    "h": 272.7
  },
  "luminance": 0.04545
}

Semantic roles & 50–950 ramp

primary

#282B9B

secondary

#BDBB61

accent

#DE46E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282B9B

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

Preview Lab → · Contrast checker → · Palette generator →