#282B8F#282B8F

#282B8F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.0% C 0.161 H 273.6°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#282B8F
RGB	rgb(40, 43, 143)
HSL	hsl(238, 56%, 36%)
HSV	hsv(238, 72%, 56%)
CMYK	cmyk(72%, 69.9%, 0%, 43.9%)
CIE-LAB	lab(24.20, 33.23, -55.46)
CIE-LCH	lch(24.20, 64.65, 300.93°)
OKLab	oklab(36.03% 0.01 -0.1603)
OKLCH	oklch(36.03% 0.161 273.6)
XYZ	xyz(6.6952, 4.1614, 26.4317)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B8F #8F8C28

analogous

#285E8F #282B8F #58288F

triadic

#282B8F #8F282B #2B8F28

tetradic

#282B8F #8F285E #8F8C28 #288F58

square

#282B8F #8F285E #8F8C28 #288F58

split-complementary

#282B8F #8F5828 #5E8F28

monochromatic

#0D0E2F #1B1D5F #282B8F #3539BF #5F62D2

Accessibility & contrast

On white

11.46

#282B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#282B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B8F

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B8F	#FFFFFF	#000000	##FFFFFF
##282B8F	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E92

Deuteranopia (green-blind)

#00358D

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #282b8f;
/* rgb */ color: rgb(40, 43, 143);
/* oklch */ color: oklch(36.0% 0.161 273.6);

Tailwind

colors: {
  custom: {
    50: '#7265b1',
    500: '#282b8f',
    950: '#000000',
  },
}

SCSS

$custom: #282b8f;
$custom-light: #7265b1;
$custom-dark: #000000;

JSON

{
  "hex": "#282b8f",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 143
  },
  "hsl": {
    "h": 238.252,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.3603,
    "c": 0.1606,
    "h": 273.6
  },
  "luminance": 0.04162
}

Semantic roles & 50–950 ramp

primary

#282B8F

secondary

#B8B55B

accent

#DB48E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #282B8F

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

Preview Lab → · Contrast checker → · Palette generator →